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Technical Manual-System Description

1. 5 14 5 2 4 Support for Gateway Office FUNCTIONS ccccoooonccccccncccnconnnccnncnnancnnos 5 15 5 2 5 Support for IP Supermarket FUNCTION cccoooccccccnnnccnnconnnccncconacennnnos 5 15 Chapter 6 Networking and Applications 6 1 6 1 System NGIWOIKING ect iaa 6 1 6 1 1 Packet Multimedia End Office ccococcccococcncocononcconncncnoncnnonnns 6 1 6 12 Packet Tandem OMGE dia Ri 6 2 6 1 3 Packet Gateway Office sdci n e a A 6 3 6 1 45 Olfice ENG OM ls 6 4 6 1 5 C4 Office Tandem Office ooocccccccconcccocnnoconcnnononenocnonononnnnonoss 6 5 6 1 6 Interworking with H 323 Network ooooccococccccoccccccnccccononcnconnncncnnanens 6 6 OcT 7 ABEer wo TTC WILET IN ol a 6 6 6 1 8 Interworking with SIP Network cccccecccseeeeeseeeeeseeeeseeeeseeeesaees 6 7 6 1 9 Interworking with Parlay Gateway ccccsssseeeeseeeeeeseeeeseeeeeeeaaees 6 8 6 2 TVDICALAPPplICA ION Sid 6 9 6 2 1 Commercial NGN of the Company S occcooccnccnncnnccnccnnnnnncnconononnnnaness 6 9 6 2 2 Commercial VoIP Network of the Country B 6 11 Chapter 7 Reliability and Security Design 7 1 7 1 System Reliability Design oocccccocnnccocncocononononcnccononannnnonononanononanos 7 1 7 1 1 Hardware Reliability dl lo ca 7 1 Pile SoltWare READY einne 7 2 7 1 3 System Overload
2. eeeeeeeeseeesseee seen nene n nnn nnn nnn nnn 10 1 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction Chapter 1 System Introduction 1 1 Introduction to U SYS Solution 1 1 1 Overview of U SYS Solution NGN is a service driven network which realizes a relatively independent service system by separating service from call control as well as call control from bearer thus enabling service independent of network NGN employs open and integrated network architecture With abundant service provisioning capabilities NGN is able to provide a variety of services such as voice data and multimedia services or integrated services Depending on the U SYS solution proposed by Huawei NGN comprises four planes namely edge access core switching network control and service management The network architecture is shown in Figure 1 1 Service y Management Policy Application Location RADIUS Server Server Server Server AI Ona SoftSwitch SoftSwitch x P4 Core Switching Packet core network Ca i Edge Access PLMN 3G Figure 1 1 U SYS solution proposed by Huawei 1 1 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction 1 1 2 Network Components I Edge access layer Edge access layer is used to connect subscribers and terminals to the network by a variety of means and convert the original information for
3. 1 9 1 3 8 Excellent Traffic Measurement FUNC IONS oocccoccccccnccocnococnocannonanonnnnccnnnonaninnons 1 10 1 3 9 Convenient and Practical Operation and Maintenance sssss 1 10 Chapter 2 System Architecture didas 2 1 Mo ln rede bibat retta Scent omnc e nen 2 1 2 1 T Physical STU ca oe axe ida 2 1 ZN LOGIC SIC UU ime S 2 3 2 2 SOMW ANS AV CIMINO CUI cio aise ei d Io a he Ne ease duse n a LAC Loc cU MAMMA 2 4 22 1 TAOS SOMWAN O sissies le aiden dl dali 2 5 222 ermibial OAM SOWN O cs 2 6 Chapter 3 Interfaces Signaling and Protocols nccocncccnncoccnccncccccnnoccnconaronnanonnnnonannnnarennaronarenanos 3 1 del EPnVsIcal Inte nace Susi didis sre ela aad os ds 3 1 es Pula 3 TDS a 3 1 3 1 2 Interface Specifications aiid cried hee crete eee ee eee tele eee 3 1 3 2 SIOMalING an dero eo sii eset eet cla te tte thes e oe 3 2 Chapter 4 OAM ESI 4 1 AeA gritos UCU OM MM co c cT 4 1 4 1 1 Basic Functions of the OAM sd iii m donet 4 1 A 2 MIM COMM ANGE ERE LU m c 4 3 4 1 3 OAM Hardware Platform Terminal SysSteM c oocnccccnccccccccnconcnnnnnnoncncnncncnncnnnanonos 4 3 4 2 Network Management and CharginQ occcoccncoccnnccnccncnconcncnncnnnnnnnnnnonnnnonncnnnnnnnnnnnonnnnnnnnnnnos 4 5 4 2 1 Network Management cccccccccseeccseeceeeeceneeceecceeceuceseueessueesueeseueessueessneeseeeseas 4 5 Technical Manual System Des
4. service under the control of the MCU 5 4 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions Supports to hold the conference in reservation convening mode and users can make reservation through telephone e mail or Web Supports a user to convene and control a conference by means of iDo software which runs on the user terminal and allows the user to manage the conference Supports data conferences with file transfer electronic whiteboard application share functions between terminals by introducing a data conference server Supports SIP packet terminals and H 323 packet terminals to act as conferencing terminals Supports both video conference and audio conference 5 1 3 IP Centrex Services Based on the IP network IP Centrex services are a class of NGN value added services which inherits PSTN Centrex services and based on them integrates the flexibility of the IP network Compared with the traditional Centrex services IP Centrex services are not restricted to voice services Instead they integrate multimedia and data services and thus more conveniently provide an optimized and integrated communication solution for group users such as factories enterprises schools hospitals government agencies corporations hotels and financial organizations SoftX3000 can provide a complete IP Centrex solution to support IP Centrex basic services IP Centrex supplementary s
5. signaling tracing and bill management on the host The terminal OAM software adopts the client server model and consists of three parts BAM server software billing gateway software and client software The BAM server software is installed in the BAM the billing gateway software is installed in the iGWB Both are considered Server The client software is installed in workstations which are considered Client 2 6 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 2 System Architecture I BAM server software The BAM server software runs on the BAM With communication server and database server integrated the BAM server software forwards the operation and maintenance commands from all workstations to the host and directs the response or operation results of the host to the corresponding workstation It is the core of the terminal OAM software The BAM server software runs on Windows 2000 Server and uses SQL Server 2000 as the database platform Through multiple parallel service processes such as maintenance process data management process alarm process and traffic measurement process main functions of the terminal OAM software can be achieved The layered relationship among the BAM application program the operating system and the database platform is illustrated in Figure 2 6 BAM server software Application program layer MS SQL Server 2000 Windows 2000 Server Figure 2 6 The layere
6. O1 O A A e o gt iC Supports multiple charging modes based on call duration bearer capability time segment time category or chargeable party calling called or third party Supports charging of supplementary services Supports charging of prepaid card Supports to charge Centrex groups Supports quota restricted calling and timed restriction Supports a variety of bill types such as detailed bill subscriber charging meter bill trunk charging meter bill charging meter statistical bill trunk occupation duration statistical bill alarm bill failure bill complaint bill and intelligent bill Supports bill restricted calling functions Supports to store bills depending on respective modules services and time Supports the automatic backup dumping sorting and format conversion functions of bills 10 Supports standard FTP and FTAM charging interfaces 1 9 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction 1 4 8 Excellent Traffic Measurement Functions Softx3000 provides excellent traffic measurement traffic statistics functions and supports multiple measurement indices and flexible measurement tasks SoftX3000 adopts lists and graphics to display the performance data in real time for the purpose of fully reflecting the traffic loading information and running and operation of the equipment 1 2 Softx3000 has traffic measurement and record func
7. incoming calls during some time When a user applies for this service all incoming calls will be answered by the exchange but the originating services of the user will not be affected m After applying for this service a user can find out the originating telephone Malicious call l n 5 MODA number by following a certain operation procedure whenever a malicious call is identification received Once the alerting time set by the user arrives the user will be alerted by the Alert service incre When a call is made to an absent number or a changed number or a route is blocked temporarily during the call or the user does not operate correctly to make a call such calls will be automatically intercepted and directed to a pickup device which avoids virtual connections of the switching equipment VR When a call is made to a certain phone set but it is not answered in the specified reol 9 time the call will be automatically forwarded to a pre designated destination Py voice mailbox or auto paging center based on the forwarding list This service enables a user to transfer incoming calls to another destination If a Call forwarding i gt user registers this service when a call comes the call will be automatically unconditional hid i forwarded to a pre designated destination voice mailbox or auto paging 5 2 Abbreviated dialing Do not disturb service Interception service 1 T Technical Manual System Description U S
8. o QoS Quality of Service RADIUS RAID RTP Remote Authentication Dial In User Service Redundant Arrays of Inexpensive Disks Real time Transport Protocol SAU Signaling Access Unit Signaling Connection Control Part Switched Circuit Network Service Control Point omall Computer Systems Interface Stream Control Transmission Protocol Synchronous Digital Hierarch Service Data Point Signaling Gatewa Signaling Transport Session Initiation Protocol Service Management Point Service Management System Simple Network Management Protocol Signaling Point Service Processing Module Signaling System No 7 Service Switching Point Signaling Transfer Point Simple Traversal of UDP Through Network Address Translators SCSI SCTP SIGTRAN SIP SMP SNMP C C00 C0 C0 CD op NINJ NINJ J1 M M U U O O U OOO UlUIN U UI E STUN TCAP Transaction Capabilities Application Part Transport Control Protocol Time Division Multiplex ing Trunk Media Gatewa s s U TMG Unified Communication User Datagram Protocol Underwriters Laboratories Unified Messaging Universal Media Gatewa User Network Interface Universal Network Intelligent Core Architecture Uninterrupted Power Suppl Universal Personal Telecommunication You Design Your System Unshielded Twisted Pair UMG U NICA U SYS Cl c Cc Cc c c c c c c e Flo bI AAEE U gAwoz v V5UA VolP V5 2 User Adaptation Layer Voice Over IP Televoting
9. 000 m Atmospheric pressure 70 kPa to 106 kPa 40 C to 70 C Temperature change rate Relative humidit 10 to 100 Solar radiation lt 1 120 W s 8 7 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements O NN Heat radiation lt 600 W s Wind speed ll Biological environment 1 Itis required to avoid propagation of epiphyte mildew and other microorganism 2 Itis required to prevent rodent animals such as mouse Ill Air cleanness 1 Noexplosive conductive magneto conductive or corrosive dust 2 Thedensity of mechanically active materials should comply with the requirements shown in Table 8 17 Table 8 17 Density requirements for mechanically active materials Mechanically active material Content Suspending dust Precipitable dust Sand Note 1 Suspending dust diameter lt 75 um 2 Precipitable dust 75 uim lt diameter lt 150 um 3 Sand 150 um x diameter lt 1 000 um 3 The density of chemically active materials should comply with the requirements shown in Table 8 18 Table 8 18 Density requirements for chemically active materials IV Mechanical stress Table 8 19 Mechanical stress requirements O m Rm Offset I Sinusoidal vibration Accelerated speed lt 20 0 m s Frequency range 2 Hz to 9 Hz 9 Hz to 200 Hz 8 8 Technical Manual System Description Chapter 8 Technical Specific
10. 8 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications Server Server Server e e e 3rd AS 3rd AS 3rd AS 3rd AS Parlay API Parlay API 2 i Firewall Server e el WWW Server Parlay SMC Store Server Gateway INAP SIP SoftX3000 AMG TMG SIP nds Phone Phone WMC Web Management Client SMS Service Management Server 3rd AS 3rd Party Application Server Figure 6 9 Interworking with Parlay gateway Figure 6 9 illustrates a solution for the applications of an open network where the carrier provides a platform for service running purposes and open APIs The programs of a specialized software company or a carrier can be easily loaded to the network through the APIs so that a diversity of customized services can be provided for the users rapidly 6 2 Typical Applications With a customized design and optimized cost performance ratio SoftX3000 shows its advantages in NGN markets and VolP markets 6 2 1 Commercial NGN of the Company S It is expected by the company S to adopt Huawei U SYS product series to construct a commercial NGN In the phase construction IP toll calling videophone and prepaid 6 9 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications card services are utilized in a number of cities The system networking model is illustrated in Figure 6 10
11. Bill statistics function is supported based on the tariff date and time destination number trunk group and area code for routine maintenance and settlement purposes 3 Strong and secure bill storage and transmission capabilities SoftX3000 adopts a three level bill storage mechanism host bill server billing settlement center so that bills can be stored and transmitted securely rapidly and reliably 5 2 5 Support for IP Supermarket Function IP supermarket refers to IP toll call services deployed by the carrier at telephone business outlets for example telecommunication business halls The IP supermarket 0 15 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions function of SoftX3000 is provided in the IP Centrex manner U Path IP console is used to charge all calls made at the IP supermarket business hall The technical characteristics are as follows High connection speed 2 Precise charge 3 Centralized management One console is able manage tens of phone sets 4 Simple and convenient operations Telephone authorities can be enabled and disabled only by using the mouse of the computer Whenever a telephone hooks on a bill is printed immediately In addition deposit management and change returning function are completed 9 Statistics and analysis functions 6 Level and authority management functions that is authority management for logging on to the
12. Con Mini oce tee vut n ette tens 7 2 7 1 4 Reliability Measures for Charging System 7 3 ER E oecurtty DESIGN us bisscc ore oc ood eumd stets te etd ces 7 5 7 2 1 Networking Application Security sees 7 5 7 2 2 Protocol and Conversation Security ccccccseseeeeseseeeseeeeeseeeeeeaes 7 5 T2 o er ie i Mee 7 5 fie B Bee ole iin MER P TER 7 5 7 2 5 Operation and Maintenance Security sssseuuss 7 6 Chapter 8 Technical Specifications and Environmental Requirements 8 1 o 1 Tech ical SpeCIICATONS arcadas 8 1 9 Lal System Elo 10 7 AP ooo E OOO UA 8 1 8 1 2 System Processing Capability oooccccoccncoccncccncnccnnnnnnnnnnnnas 8 1 8 1 3 Protocol Processing Capability oooncccoonnnccconnonononcnnononononnnnons 8 1 8 1 4 Bill Processing Capability eseeseeeesseeees s 8 2 8 1 5 Reliability Specifications cessisse ener 8 2 8 1 6 Power Supply and Power Consumption 8 2 Ole T nysicald aratieler S iaa 8 3 8 1 8 Environmental SpecificatiONS occccoooncncococnncconcnnnnancncnnonononnaness 8 4 8 1 9 Electromagnetic Compatibility Specifications 8 4 8 2 Environmental Requirements ccccscccssceceseeceseeceeeeceeeeeeeecseeessusenees 8 7 9 2 1 Storage ENVIO Medi ER eed e U
13. Gu se dores deseen sentarte didus ede aget tu 2 odasews 2 4 2 2 SN ON eod eet O ON 2 5 222 J eral OAM SOMWA Sas 2 6 Chapter 3 Interfaces Signaling and Protocols 3 1 SNB dave MALO ACCS m RE idad 3 1 3 LT Menace TYPES sai dada 3 1 3 1 2 Interface Specifications sorcier net aai 3 1 3 2 Igrialiid arnd Protocol sa 3 2 Chapter 4 OAM System me 4 1 sn o o A 4 1 4 1 1 Basic Functions of the OAM cccccsscecceeeecceeeeceeseeseeeesseeeessaes 4 1 41 2 MME COMM ANG ENE enesatuawaiubers 4 3 4 1 3 OAM Hardware Platform Terminal System 4 3 4 2 Network Management and Charging eese 4 5 4 2 1 Network Management eeeeeeeeeeeeeneeeen nennen nnns 4 5 Are NANI 4 6 Chapter 5 Services and Functions cooonnccccnncnncononnnanononnnanoncnnnnnrorenannnrrennannnns 5 1 Dl CIM ICS S aio 5 1 Si VOICE OCICS srta caca 5 1 51 2 Multimedia SEVICE Sannea GeedGededecdceaageseiaiaedde 5 4 5 123 IP CEntre SIV CCS sarrere podian iers Ca NTa nE EE 5 5 Oe Tigao INS VIC CS dia TERRE 5 7 SL 5d PN GOLIVICOS ingann a E 5 9 NO UE SENICE enoni i A 5 11 IL FONCION eE S 5 14 5 2 1 Support for Multi Country Code and Multi Area Code ENCON a a acess do 5 14 5 2 2 Support for Multi Signaling Point Code Function 5 14 5 2 3 Support for Dual Homed Bastion Host Function
14. IPSec ISDN ISUP ITU T IUA IVR zzgmmmo Tim M2PA MTP2 User Peer to Peer Adaptation Layer Message Transfer Part 2 MTP2 User Adaptation Layer Message Transfer Part 3 MTP3 User Adaptation Layer Metropolitan Area Network Mass calling Multipoint Control Unit Media Gatewa Media Gateway Controller Media Gateway Control Protocol Man Machine Language Multimedia Management Unit Media Resource Server Mean Time Between Failure Message Transfer Part Mean Time To Repair MGCP MTBF sssssssssssss dassBBeBBE MTTR NAS Network Access Server Network Address Translation Network Equipment Building System Next Generation Network Network Management System Number Portabilit NEBS zziz Z A OAM ONLY OSS Operation Administration and Maintenance One Number Link You Operation Support System PBX Private Branch Exchange Personal Communication Assistant Personal Digital Assistant Parlay Gatewa Public Land Mobile Network Plain Old Telephone Service Pre Paid Service Primary Rate Interface PLMN POTS PPS U U U G O O 10 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Abbreviation Full name Packed Switched Packet Switched Public Data Network Public Switched Telephone Network Personal Telecommunication Number PSPDN PSTN PTN O 2 mM O e D om O gt O O 2 lt 3 o Q 2 oa gt oO oO D lt C0 Lc O 2
15. It is unnecessary to register the IPN calling service Once this service is enabled the subscriber can enjoy it by using the allocated IPN number through various terminals When a call is originated from an Ephone or a PSTN phone set or an ordinary soft terminal this service adopts the dual stage dialing IVR procedure to implement the call When a call is originated from OpenEye a soft terminal developed by Huawei this service also supports the single stage dialing procedure to implement the call Il IPN called service The IPN called service enables calling parties to originate calls to the service subscriber by dialing the subscriber s IPN number In this case SoftX3000 will route the calls to the called party that is the service subscriber depending on the communication mode and the communication policy such as a PSTN number a mobile terminal number a voice mailbox pre determined by the subscriber so that the subscriber can receive the calls in any place at any time The purpose is to achieve a flexible roaming function Ill IPN dynamic rule The IPN dynamic rule enables a service subscriber to register or cancel the IPN called service by using a phone set For example the subscriber dials 166 on a PSTN phone set According to the prompting announcements the subscriber inputs the IPN number the IPN password and then inputs 6 during the function selection Subsequently the subscriber can register the called destination numbe
16. RFC3309 Stream Control Transmission Protocol SCTP Checksum Change IETF RFC3331 SS7 MTP2 User Adaptation Layer M2UA IETF RFC3332 SS7 MTP3 User Adaptation Layer M3UA IETF RFC3372 Session Initiation Protocol for Telephones SIP T IETF mim mim m m m m a3 1 c T a mn TI TI 9 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 10 Acronyms and Abbreviations Chapter 10 Acronyms and Abbreviations Abbreviation Full name The Third Generation 3rd Party Application Server oO 3rd AS Authentication Authorization and Accounting Account Card Calling Access Control List Administration Module Access Media Gatewa Application Programming Interface Asynchronous Transfer Mode ACC ACL Ix AIM BAM Back Administration Module BHCA Busy Hour Call Attempt BICC Bearer independent Call Control Protocol BITS Building Integrated Timing Suppl CAS Channel Associated Signaling Call Control Block Credit Card Calling Code Division Multiple Access Call Detail Record Conformit Europ ene China Intelligent Network Application Part Capability Maturity Model Core Network Coder decoder Common Object Request Broker Architecture Circuit Switched Click To Dial Click to FAX CDMA C INAP CODEC CORBA OJO O O OJO QJQ 3 0M Z lt IT OJO U A Go CTF Digital Center Digital Local Domain Name Server Distributed Object oriented Programmable R
17. Requirements Table 8 27 Density requirements for chemically active materials Chemically active material Content mg m 0 30 to 1 00 0 10 to 0 50 0 50 to 1 00 1 00 to 3 00 0 10 to 0 50 0 01 to 0 03 0 10 to 0 30 0 05 to 0 10 IV Mechanical stress Table 8 28 Mechanical stress requirements Range Offset Sinusoidal vibration Accelerated speed Frequency range 5 Hz to 62 Hz 62 Hz to 200 Hz 2 Non stable impulse MpLisevesponse SHECKUNM Y Payload Co Note 1 Impulse response spectrum It refers to the maximum accelerated speed response curve generated by the equipment under the specified impulse motivation Impulse response spectrum II means that the duration of half sine impulse response spectrum is 6 ms 2 Payload It refers to the bearable pressure from the upper piled equipment with package in prescribed piling mode 8 12 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 9 Compliant Recommendations and Standards Chapter 9 Compliant Recommendations and Standards SoftX3000 is compliant with the following recommendations and standards Table 9 1 SoftX3000 compliant recommendations and standards Recommendation or standard Issued by physical electrical characteristics of hierarchical digital interfaces ITU T synchronous frame structures used at primary and secondary hierarchical levels ITU T synchronization networks V Interfaces at the digital local exchange LE V5
18. S3526 is Ethernet switch of Huawei Figure 6 11 Networking model of the country B s commercial VolP network The commercial VoIP network of the country B is composed of two parts central office equipment and access equipment The central office equipment is SoftSwitch and various servers including two sets of SoftX3000 two sets of MRS6000 one set of SCP one set of Manager N2000 and two sets of UMG8900 The access equipment is media gateways and remote subscriber processors including thirteen sets of UMG8900 and forty eight sets of RSP The networking characteristics of the commercial VolP network of the country B are as follows 1 Inthe dual homed bastion host all UMG8900s gateway device are connected to both SoftX3000 SoftSwitch through different links In the normal conditions each SoftX3000 controls half of the gateway devices Whenever one of the SoftX3000s becomes faulty all the services on it are handed to the other SoftX3000 which greatly improves the reliability of the system networking 2 The interworking between the VoIP network and the PSTN is achieved by two UMG8900s which are installed at the central office In this case UMG8900s are 6 12 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications 4 equivalent to TMGs in terms of functions Besides UMG8900s have built in signaling gateway functions supporting the M2UA and ISUP protocols so it is unn
19. SoftX3000 and UMGs with built in DSS1 signaling gateway functions MTP used for the interworking between SoftX3000 and the SS7 signaling network so that SoftX3000 can be interconnected to ITU T Q 701 to Q 707 SPs or STPs in the SS7 signaling network TUP used for the interworking between SoftX3000 and the PSTN network so that SoftX3000 can provide TUP trunks ITU T Q 721 to Q 725 through TMG to interconnect with PSTN exchanges ISUP used for the interworking between SoftX3000 and the PSTN so that SoftX3000 can provide ISUP trunks through TMGs ITU T Q 761 to Q 764 Q 730 and achieve the interconnection with PSTN exchanges SCCP used to bear the INAP protocol so that SoftX3000 can be interconnected to SCPs in the IN through the SS7 signaling ITU T Q 711 to Q 716 network TCAP used to provide the applications of SoftX3000 and SCPs with a number of functions and procedures which are not application specific so that SoftX3000 can support the applications pertaining to IN services INAP used to define the information streams between the functional entities of the IN so that SoftX3000 can support the Service Switching Function SSF the Call Control Function ITU T Q 1218 Q 122x Q 123x CCF the Specialized Resource Function SRF and the Call ITU T X 208 X 209 Control Access Function CCAF and act as the SSP over the standard IN architecture A type of inter office channel associated signaling used for the interworking between Soft
20. SoftX3000 with the cooperation of the third party or virtual carrier s application server By interconnecting with such application servers through a Parlay gateway SoftX3000 can provide third party or customized services such as enterprise workflow enterprise schedule personal schedule and enterprise package 5 1 1 Voice Services I Basic voice services SoftX3000 supports the basic voice services made among PSTN telephone terminals MGCP packet terminals H 248 packet terminals SIP packet terminals and H 323 packet terminals 1 2 3 Telephony calls made between the local network subscribers including the urban subscribers the rural subscribers and the town subscribers in the local network National international toll auto direct dialing outgoing calls and national international toll auto incoming calls Special service calls including inquiry complaint and fire emergency services 9 1 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions 4 Calls made both directly to PBX extensions and to PBX console 5 Calls made from PBX extensions directly out 6 Calls made with mobile subscribers and made to wireless paging subscribers 7 Operation calls provided for the maintenance operation personnel Il Fax services SoftX3000 supports group 2 group 3 and group 4 fax services The characteristics are as follows 1 AMG TMG can report the fax tone 2 AMG w
21. a Working for a Working for a long term short term long term short term 1 The measurement points of temperature and humidity of SoftX3000 refer to the values measured 1 5 meters above the floor and 0 4 meter away from the front of SoftX3000 shelf when there are no protection panels in the front and back of SoftX3000 shelf 2 Short term means that the consecutive working duration is not more than 48 hours and that the accumulated working duration of a year is not more than 15 days Note Table 8 25 Other climate environment requirements 0 m 00 Rm Il Biological environment 1 Itis required to avoid propagation of epiphyte mildew and other microorganism 2 Itis required to prevent rodent animals such as mouse Ill Air cleanness 1 No explosive conductive magneto conductive or corrosive dust 2 The density of mechanically active materials should comply with the requirements shown in Table 8 26 Table 8 26 Density requirements for mechanically active materials Mechanically active material a ee ontent C Note 1 Dust particle diameter 2 5 um 2 Suspending dust diameter lt 75 um 3 Precipitable dust 75 um x diameter x 150 um 4 Sand 150 um x diameter lt 1 000 um 3 The density of chemically active materials should comply with the requirements shown in Table 8 27 8 11 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental
22. a media resource server cabinet with 1 MRS6000 250 kg configured Designed bearing capacity of the floor in the equipment room 600 kg m Available height of cabinet 46 U 1 U 44 45 mm 8 3 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements 8 1 8 Environmental Specifications I Environmental adaptation SoftX3000 can operate normally for a long term in the following environmental conditions Table 8 8 Environmental adaptation Height above sea level lt 4 000 m Atmospheric pressure 70 kPa to 106 kPa Relative humidity 5 to 89 5 C to 445 C Earthquake proof performance Able to sustain Richter scale 9 Il Noise specifications 1 Compliant with NEBS requirements Sound pressure level noise is not greater than 65 dBA internally limited to 60 dBA 2 Compliant with ETS requirements Sound power level noise does not exceed 7 2 bels 8 1 9 Electromagnetic Compatibility Specifications I Electromagnetic interference specifications 1 Conducted emission CE Table 8 9 CE specifications through the 48 V power supply port Limits dBuvV Frequency range Average limit Quasi peak limit 0 02 MHz to 0 15 MHz 0 15 MHz to 0 50 MHz 66 0 0 0 50 MHz to 30 MHz oO LO Note The CE tests are designed to demonstrate the interference signals of the product conducted from the cable port 2 Radiated emission RE Tec
23. console 5 16 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications Chapter 6 Networking and Applications 6 1 System Networking 6 1 1 Packet Multimedia End Office Multimedia application is one of key characteristics of NGN Being a large capacity SoftSwitch equipment SoftX3000 supports multiple media gateway control protocols and multimedia communication protocols such as MGCP H 248 SIP and H 323 Therefore SoftX3000 can act as a packet multimedia end office A typical networking model is illustrated in Figure 6 1 SoftX3000 end office MRS MCU Ne H 323 xo oH B so Other ISUP trunk IP SIP T trunk i l PSTN PLMN _ sai aa SoftSwitch an network MGCR H 248 Private protocol MGCP H 248 MGCP H 248 SIP H 32 mw II AMG5000 xDSL 9 SY _ MGCP H 248 OpenEye y gm Phone 1 O 3 4 SIP H 323 Phone Phone Centralized Subscriber Access Scheme Distributed Subscriber Access Scheme Individual Subscriber Access Scheme Figure 6 1 Typical networking model of packet multimedia end office 1 Centralized subscriber access scheme This scheme is designed for the access of a high density of subscribers where an AMG5000 is used for the access realization The AMG5000 is connected to SoftX3000 in the MGCP H 248 protocol to achieve voice call and value added services Meanwhile the AMG5000 6 1 Tech
24. dispatch ability of a single IFMI board SIP session holding capability of a single MSGI board H 323 call holding capability of a single MSGI board Number of SCTP associations of a single BSGI board Capability of SCTP associations of a single BSGI board 8 1 4 Bill Processing Capability Table 8 4 Bill processing capability Specification Bill buffering capacity of the service processing module Bill transfer capability of the service processing module Bill storage capacity of the iGWB Bill transfer capability of the iGWB 8 1 5 Reliability Specifications Table 8 5 Reliability specifications Usabilit 99 99983 53years SS Mean time between failures MTBF 53 years Mean time to recovery MTTR 0 89 minutes year 8 1 6 Power Supply and Power Consumption I Power supply 1 Rated voltage 48 V DC 2 Voltage fluctuations 57 V to 40 V ll System power consumption The power consumption specifications of the functional frames or components in a SoftX3000 cabinet are shown in Table 8 6 8 2 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements Table 8 6 Power consumption specifications of SoftX3000 Functional unit Power consumption W Configuration Power distribution frame Single power distribution frame IFMI BFIl x 2 BSGI x 2 CDPI x 2 SMUI SIUI Basic frame lt 480 x 2 HSCI x 2 FCSU EPII x 6 CKII x
25. other electrostatic sources which may influence the components of the product such as boards frames and cabinet chassis Table 8 13 ESD specifications Discharge mode Voltage criterion m Air discharge 15 kV Be C 6w 0 0 A Se discharge EA 0 R O LA Note The ESD tests are designed to demonstrate the bearing capability of the equipment regarding electrostatic interference There are two discharge modes contact discharge and air discharge 4 Electrical fast transient EFT These specifications are applicable to DC side and partial signal side when the connection line between the ports exceeds 3 meters Table 8 14 EFT specifications Measured port Voltage criterion Performance criterion AAA DCside VIT EA Signal side AA U LE Note The EFT tests are designed to demonstrate the influence performed on equipment interference of the high frequency small scaled energy impulse caused by an inductive load changeover 5 Surge 8 6 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements These specifications are applicable to DC supply cable side and partial signal side such as the port of an indoor signal line E1 Table 8 15 Surge specifications Measured port Voltage criterion Performance criterion 1 kV differential mode 2 kV common mode Indoor cabling inside the system Us LA Note 1 Per
26. presentation of the calling Dae Wee R identification restriction party s number to the called party Calling ine T This service enables a served user to receive the calling party s number 23 identification restriction js de unconditionally In normal cases it is allowed to present the calling party s number to the called party but by dialing a certain prefix before the called number the calling party s number will not be presented to the called party in this call Class A Temporary reservation for calling line identification restriction 2 Temporary reservation In normal cases it is not allowed to present the calling party s number to the for calling line called party but by dialing a certain prefix before the called number the calling identification party s number will be presented to the called party in this call Class B presentation 25 It is not allowed to present the calling party s number to the called party That is the calling party s number will not be presented to the called party even though the calling party dials the corresponding presentation prefix before the called number Class C subscribers This service restricts a user s calling expenses If the served user does not have enough money for the call the system will prohibit the user to make a new call or forcedly terminate the on going conversation It should be noted that the quota restricted calling service is only used for chargeable calls
27. provide Network Management Protocol network management interfaces SNMP interfaces SNMP billing centers so that SoftX3000 can provide FTP interfaces Protocol FTP ISO IS08571 File Transfer Access and Management Protocol F TAM Used to support the interconnection between SoftX3000 and billing centers so that SoftX3000 can provide FTAM interfaces 3 4 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 4 OAM System Chapter 4 OAM System 4 1 Introduction 4 1 1 Basic Functions of the OAM Operation Administration and Maintenance OAM refers to the various tasks required to be performed by the operator on the SoftSwitch system which has been put in use The purpose of OAM is to ensure the normal running and operation of the system so as to provide high quality telecommunication services for users Softx3000 provides MML based man machine operation environments in a graphic way where a number of OAM functions can be achieved The OAM functions include maintenance management data management alarm management charging and bill management trace management signaling analysis traffic measurement environment and power supply monitoring Maintenance management Maintenance management provides multiple maintenance control methods such as query display switchover reset isolation block and activation By using these maintenance control methods efficient management and maintenance operations ca
28. provide the prepaid card service for the users 3 The interworking between NGN and PSTN is realized by the TMG8010 which has built in signaling gateway functions Therefore it is unnecessary to use a physically separate signaling gateway 4 The iManager N2000 is adopted in the network as the integrated network management system to provide layer division and domain division management functions 6 2 2 Commercial VoIP Network of the Country B It is expected by a country B to adopt Huawei U SYS product series including Softx3000 UMG8900 with RSPs and MRS6000 to re build the existent exchange network to a commercial VoIP network for the purposes of decreasing the number of exchange sites simplifying the network layer and minimizing the operation and maintenance cost In the phase of the commercial VoIP network of the country B two central office sites and 48 access network sites are established The network capacity is planned to 100 000 subscribers Mainly POTS subscriber analog subscribers access and ISDN subscriber 2B D access are supported The system networking model is illustrated in Figure 6 11 6 11 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications Central Central office A office B MRS6000 SoftX3000 UMG8900 PSTN a Central office equipment UMG8900 IP core network j Note
29. quantity and purpose of the interfaces are shown in Table 3 1 Table 3 1 The quantity and purpose of the physical interfaces Provides bearer channels for IP based service signaling or Host 4 protocols such as SIP SIP T H 323 M2UA M3UA V5 2 User FE electrical Adaptation Layer V5UA ISDN Q 921 User Adaptation Layer interface and STUN Backaround 3Note Provides bearer channels for TCP IP based network management 9 l or file transfer protocols such as SNMP MML FTP FTAM E1 interface Provides both 64 kbit s and 2 Mbit s MTP links for SS7 signaling 2 048 Mbit s interface 6 Connects the 2 048 Mbit s input clock signals provided by the BITS equipment or E1 interface boards link clock Clock 2 048 MHz interface 4 Connects the 2 048 MHz input clock signals provided by the BITS interface equipment RS422 interface 32 Provides 8 kHz output clock signals for the E1 interface boards of the service frames Note These three FE electrical interfaces are provided by the BAM and the iGWB of the background used for network management and billing networking 3 1 2 Interface Specifications I Specifications of FE electrical interfaces Table 3 2 Specifications of FE electrical interfaces Parameter Compliant recommendation or standard IEEE 802 3u 10 100Mbit s self adaptation 100m Transferable distance 100 m 10BASE T 100BASE TX Interface type RJ 45 Nominal impedance 100 Q 3 1 Technical Manual System D
30. scp ILI Manager N2000 Billing Center SG7000 ml 52403 Central office Bo TMG8010 wv OOO TMG8010 Access in cities ISUP pi enn S2008 S2008 RENT Lad gt 209 AD nee AD H 323 POTS POTS SIP H 323 POTS POTS SIP Phone Phone Phone Phone Access network in the city A Access network in the city B Note 2008 S2403 and 83526 are Ethernet switches of Huawei Figure 6 10 Networking model of the company S s commercial NGN The commercial NGN of the company S is composed of the SoftSwitch control center resident in the central office and a number of access networks distributed over a number of cities The central office equipment is SoftSwitch and various servers including one set of SoftX3000 one set of MRS6000 one set of SCP one set of SG7000 one set of Manager N2000 one set of billing device and one set of TMG8010 The access network equipment is trunk media gateways and various terminals including one set of TMG8010 and several sets of IAD The networking characteristics of the commercial NGN of the company S are as follows 1 Allthe services enjoyed in the cities are controlled and provided by the SoftSwitch center in the central office 6 10 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications 2 SoftX3000 also functions as the SSP which interworks with the intelligent platform SCP through the SG7000 to
31. the threshold the flow control mechanism is started and 25 subscribers are restricted at each level When the CPU load grows heavier the service level is degraded by one Restoration is also conducted depending on the four levels 2 Dynamically adjusts the coding mode according to the resource occupancy and network congestion and notifies the gateways of the adjustment 1 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 7 Reliability and Security Design 3 Preserves or immediately executes traffic control commands by analyzing the traffic measurement data and the equipment running state 4 Restricts the call volume to particular outgoing trunks destination codes by percentage depending on the calling category calling number time segment incoming trunk group identification of the incoming calls and also provides the corresponding control cancellation commands the restriction percentage can be adjusted consecutively 5 Restricts the maximum number of call attempts to particular outgoing trunks destination codes in a pre determined time interval depending on the calling category calling number time segment incoming trunk group identification of the incoming calls the restriction quantity can be adjusted consecutively 7 1 4 Reliability Measures for Charging System I Hardware reliability iGWB Server developed by Huawei is employed as the charging gateway of SoftX3000 The dual system is a
32. 1 Interface Based on 2048 kbit S ITU T for the support of access network AN To be published V Interfaces at the digital local exchange LE V5 2 interface Based on 2048 kbit s for the support of access network AN To be published deal call signaling protocols and media stream packetization for packet based multimedia H 225 0 Nix ITU T communications systems H 245 control protocol for multimedia communication H 248 Media Gateway Control Protocoll H 323 including H 225 0 H 245 H 450 Packet based multimedia communications ITU T systems H 450 supplementary services for multimedia 1 430 Basic user network interface Layer 1 specification TU T 1 431 Primary rate user network interface Layer 1 specification TU T 60297 structures of the 482 6 mm 19 in series ITU T ITU T Q 123x Intelligent Network ITU T neo of Signaling System R2 Provision of a forward transfer signaling TULT acili TU T gt c A34 AAA c c c H Q 707 Message Transfer Part Testing and maintenance Q 711 Functional description of the Signalling Connection Control Part SCCP Q 712 Definition and function of SCCP messages 3 c Q 713 SCCP formats and codes Q 714 Signaling Connection Control Part Procedures Q 715 Signaling Connection Control Part User Guide zii clalc 3 3 Q 716 Signaling Connection Control Part SCCP Performance Q 730 ISDN user part supplementary services gz CIC Q 762 Gene
33. 2 ALUI x 1 UPWR x 4 fan frame SMUI SIUI x 2 HSCI x 2 FCSU EPII x 12 m AL x1 qiie x 4 fan frame SMUI SIUI x 2 HSCI x 2 MRCI MRII x 12 When IBM server is used it is required to configure 10 Sar aray hot swappable SCSI hard disks Ill Example of calculation of power consumption 1 Integrated configuration cabinet at full configuration with 1 basic frame and 1 media resource frame Maximum power consumption power distribution frame x 1 basic frame x 1 media resource frame x 1 LCD x 1 hard disk array x 1 BAM x 1 iGWB x 2 LAN Switch x 2 20 x 1 480 x 1 680 x 1 50 x 1 200 x 1 250 x 1 250 x 2 30 x 2 2240W 2 Service processing cabinet at full configuration with 3 expansion frames and 1 media resource frame Maximum power consumption power distribution frame x 1 expansion frame x 3 media resource frame x 1 20 x 1 580 x 3 680 x 1 2440W 3 Media resource server cabinet with 1 MRS6000 Maximum power consumption power distribution frame x 1 MRS6000 x1 20x1 900 x 1 920W 8 1 7 Physical Parameters Table 8 7 Physical parameters of SoftX3000 cabinets Parameter or model Cabinet model N68 22 cabinet complying with IEC297 Cabinet dimensions height x width x depth 2 200 mm x 600 mm x 800 mm Weight of an integrated configuration cabinet at full configuration 400 ko Weight of a service processing cabinet at full configuration 300 kg Weight of
34. 48 Phone SIP H 323 Phone Phone Subscriber access of the office A Subscriber access of the office B Figure 6 2 Typical networking model of packet tandem office SoftX3000 satisfies two networking applications under the layered routing structure 1 Layered SoftSwitch structure mode 6 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications In this mode SoftX3000 adopts the plane static routing and transits the incoming calls from the end offices by means of SIP trunk 2 Layered location server mode In this mode SoftX3000 adopts the layered static routing or the dynamic routing equivalent to a location server The end offices implement the routing function by sending an address resolution request to SoftX3000 6 1 3 Packet Gateway Office SoftX3000 supports gateway functions such as black and white lists call authentication and call interception SoftX3000 can act as a packet gateway office A typical networking model is illustrated in Figure 6 3 A SoftSwitch SoftSwitch SoftX3000 SoftX3000 end office gateway office gateway office end office IRN c SIP SIP T trunk of the carrier D A MAN of the carrier B pS eS SS SS SS SS Se ccc ee Se a Sa SS SSeS AMG5000 xDSL E m MGCP H 248 OpenEye Phone POTS KD SIP H 323 POTS PC Phone Phone Subscriber access of the carrier A Subscriber ac
35. Chapter 1 System Introduction ooccccccncccnnnccononccncnnconnnnononanenancnenannnnnannenanans 1 1 1 1 Introduction to U SYS Solution eene 1 1 TU d Overview or U SYS SOON ya 1 1 2 Network GOMPONE c I m o 1 2 1 1 3 Major Technical Features 22 dte tpi ttti ta eode potete tree petes 1 4 1 2 Introduction to SoftX3000 Orientation oooocccnccnnncconconnnccnccnnaccnnnnnnncnnnnos 1 5 13 Wereciio IESO MAD E 1 5 1A ProdUCU EF Oallil 6S euo tasi e Neo ev RE eode Sdimd ees 1 6 1 4 1 Abundant Service Provisioning Capabilities 1 6 1 4 2 Powerful and Flexible Networking Capabilities 1 6 1 4 3 Large Capacity and High Integration ssussssse 1 7 TAA high i172 19 18 EET T 1 7 1 25 59 SA A shea Maven mt vaa Qu Be ecu 1 8 1 4 6 Smooth Expansion Capability cocoooccncoccnnncccncnnocnonononnoness 1 9 1 4 7 Optimized Charging Capabilities and Bill Management miele EE 1 9 1 4 8 Excellent Traffic Measurement Functions 1 10 1 4 9 Convenient and Practical Operation and Maintenance 1 10 Chapter 2 System Architecture lees eeeeee ceres rennen nnne nnn 2 1 2 Hardware AFCHITeCIUE Gascsasclucee iu io idocct eso a 2 1 21 1 Physical OI UGlUl oa 2 1 2 2 MOGI Ce CUS re s muc iau dette tui E dedii nc iesu en 2 3 2 2 Software Architecllil
36. HUAWEI Optix C amp CO8 INET NETENGINE Optix iSite U SYS MUSE OpenEye Lansway SmartAX infoX TopEng are trademarks of Huawei Technologies Co Ltd All other trademarks mentioned in this manual are the property of their respective holders Notice The information in this manual is subject to change without notice Every effort has been made in the preparation of this manual to ensure accuracy of the contents but all statements information and recommendations in this manual do not constitute the warranty of any kind express or implied About This Manual Release Notes The manual applies to U SYS SoftX3000 SoftSwitch System V300R001 Related Manuals The related manuals are listed in the following table 0 IE DO U SYS SoftX3000 SoftSwitch System It provides an overall introduction to SoftX3000 including Technical Manual Svstem Descriotion product features applications and technical y P specifications U SYS SoftX3000 SoftSwitch System It details on the hardware architecture component Technical Manual Architecture amp interworking mechanism and subsystems of alarm Principle billing and clock in SoftX3000 U SYS SoftX3000 SoftSwitch System It guides the maintenance engineers to perform daily Maintenance Manual Routine maintenance monthly maintenance and yearly Maintenance maintenance tasks on equipment It guides the maintenance engineers to perform recovery operations in the case of emergencies such as co
37. MAS This service is similar to the hotline service It mainly features in the capability to prevent network congestion in the case of instant high traffic For example this service is probably used when it is advertised that anyone making a call to a particular telephone number during a specific time segment has a chance to be rewarded VI Televoting VOT This service is provided for consultation or opinion survey The enterprises government branches or commercial organizations requiring opinion survey can apply for one or multiple televoting numbers for investigating mass opinions by means of the telephone network Accordingly people can dial the several specific televoting numbers to register their votes or dial one televoting number to express their opinions by following the recorded announcement to press phone set keys The network will perform statistics on the number of the calls to a specific televoting number as well as people s opinion information The service subscribers can query the statistical information by means of a terminal or a DIMF phone set at any time There are three types of VOT e Simple VOT Only televoting is provided Other activities such as reward are not provided e Single VOT Simple VOT and reward are provided e Multiple VOT There are item codes not opinion codes A VOT number represents an item People need to follow the system provided voice prompt to express their opinions A service subscriber ma
38. PSTN telephone number an IP terminal number an IP address or the user s ID The 800 service users who enjoy the service are the variety of users on the IP network They can click the 800 number in a Web page or dial the 800 number to make a phone call 5 1 5 IPN Services A variety of NGN terminals are provided with uniform Internet personal numbers Examples of supported terminals are Ephone subscribers directly connected to Softx3000 Ephone subscribers connected through IAD or AMG and PSTN subscribers or mobile subscribers connected through TMG An IPN user may own several terminals However through a uniform IPN number the user can originate calls at any place by using any of the terminals through the same account that is the same IPN number Meanwhile others can make calls to that IPN number to find the user According to the IPN rules the calls are routed to the corresponding destination to achieve a roaming like function SoftX3000 supports IPN calling service IPN called service IPN dynamic rule IPN static rule as well as an optimized IPN charging ability 9 9 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions I IPN calling service The IPN calling service enables a service subscriber to originate calls by using the IPN number In this case the IPN calling service is similar to the pre paid card service provided by the IN The IPN number is charged for the calls
39. U SYS SoftX3000 SoftSwitch System hereinafter referred to as SoftX3000 adopts advanced software and hardware technologies and owns abundant service provisioning capabilities and powerful networking capabilities SoftX3000 is applicable to the network control layer of the Next Generation Network NGN 1 3 Location of SoftX3000 As a large capacity and high performance SoftSwitch product SoftX3000 is applicable to the network control layer of NGN and implements call control and connection management of voice data and multimedia services based on the IP network Softx3000 owns abundant service provisioning capabilities and powerful networking capabilities On the way of the development and integration of the traditional PSTN networks to NGN SoftX3000 can be used as an end office C5 office tandem office toll office C4 office gateway office and so on 1 SoftX3000 is fully compatible with all service capabilities of PSTN exchanges and supports a variety of protocols including Media Gateway Control Protocol MGCP H 248 V5 Digital Subscriber Signaling No 1 DSS1 SIP and H 323 Traditional PSTN telephone terminals ISDN terminals MGCP packet terminals H 248 packet terminals SIP packet terminals and H 323 packet terminals can be connected to SoftX3000 which is capable of a diversity of service provision such as voice data and multimedia Therefore SoftX3000 can be used as a multimedia end office 2 SoftX3000 supports the traditio
40. UMG8900 as Huawei TMG8010 and UMG8900 have built in signaling gateway functions This networking model is a price competitive solution 6 5 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications 2 Incase of M3UA SoftX3000 interworks with a C5 exchange through TMG8010 or UMG8900 and SG7000 TMG8010 or UMG8900 implements the media stream conversion functions SG7000 achieves the signaling conversion functions 3 Incase of MTP SoftX3000 interworks with a C5 exchange through TMG8010 or UMG8900 and SS7 signaling network TMG8010 or UMG8900 only implements the media stream conversion functions SoftX3000 achieves the signaling point functions that is providing MTP links 6 1 6 Interworking with H 323 Network As H 323 based IP telephone network is widely used attention should be focused on the interworking with the existent H 323 network when constructing a softswitching network SoftX3000 interworks with the existent H 323 network in the H 323 protocol equivalent to a gatekeeper A typical networking model is illustrated in Figure 6 6 SoftX3000 GK a b H 323trunk Backbone a H 323 trunk H 323 i A network SIP Phone H 323 Phone E AMG TMG H 323 Phone H 323 GW Figure 6 6 Interworking with H 323 network When the SoftSwitch network and the H 323 network are owned by different carriers the interworking point is resident between the local Softx3000 a
41. Virtual Private Network lt Y VPN WAC Wide Area Centrex World Wide Web XDSL XML x Digital Subscriber Line Extensible Markup Language 10 3
42. X3000 and exchanges of old mode so ITU T Q 400 to Q 499 that SoftX3000 can provide R2 trunks through UMGs ISDN subscriber network signaling used for the interworking DSS1 between SoftX3000 and NASs or PBXs so that SoftX3000 can provide Primary Rate Interfaces PRIs through UMGs Subscriber network signaling used for the interworking between SoftX3000 and the V5 access network or base station controllers so that SoftX3000 can provide V5 1 V5 2 interfaces through UMGs SS7 ITU T Q 771 to Q 775 ITU T 1 430 1 431 Q 921 Q 931 ITU T G 964 G 965 IETF draft ietf midcom stun 02 Simple Traversal of UDP Through Network Address Translators STUN Used to support the interconnection between SoftX3000 and STUN Servers built in the BSGI board of SoftX3000 STUN 3 3 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 3 Interfaces Signaling and Protocols Purpose Compliant recommendation Protocol or standard IETF RFC2401 Security Architecture for IP IPSec IETF RFC2402 IP Used to protect the security of communications between Authentication Header IPSec SoftX3000 and the gateways under its control such as IADs IETF RFC2406 IP AMGs TMGs and UMGs Encapsulating Security Payload IPSec IETF RFC2411 IP Security Document Roadmap IPSec we Used to support the interconnection between SoftX3000 and IETF RFC1157 Simple SNMP NMS devices iManager N2000 so that SoftX3000 can
43. YS SoftX3000 SoftSwitch System Chapter 5 Services and Functions No Service type Service description no matter the called subscriber is in any state If a user registers this service when a call comes butthe called is busy the call 10 Call forwarding busy will be automatically forwarded to a pre designated destination voice mailbox or auto paging If a user registers this s service when a call is made but the called is busy the call 11 Registered call on busy will be registered When the user wants to call this callee next time the call will be automatically put through after the phone is picked up If a user registers this service when he is absent the network will answer all his 12 Absent service incoming calls by means of playing an announcement After a user registers this service when he dials a number but the called is 13 Call back on busy busy the served user will be automatically connected once the called becomes free This service enables the called user to transfer an established call to a third 14 Call transfer party in a hooking way for the purpose of establishing a new connection between the calling party and the new called party When user C attempts to establish a connection with user A who is in a Call waiting conversation with user B user A will be notified of an incoming call with an indication that there is a user waiting for the connection with him This service enables a user who is a
44. al command to complete all the previous operations It is unnecessary to learn what modifications are made to the database and how the modifications take effect 2 The MML system performs the strict consistency check on the data When a function is executed a detection is done on the inter table relationship which is an effective way to avoid producing junk data 3 The MML command set is equivalent to a group of APIs from the SoftX3000 point of view Other application programs are all based on it For a GUI terminal the operations made through the terminal interfaces are translated to commands and then transferred to the MML system which is responsible for the execution of the commands and returns the results in the text way Finally the results will be converted to the suitable reflection on the graphical terminal Accordingly the stability of the system is guaranteed and the running of the whole system is influenced by a single application program issue 4 The input and output of the MML system are based on pure character streams Programs like TELNET are supported to interact with SoftX3000 Therefore the client can override a variety of platforms for example supporting a dumb terminal without processing capabilities It is beneficial to a centralized network management and follows the development trends of telecommunication products 4 1 3 OAM Hardware Platform Terminal System The terminal system is the key hardware platform to impl
45. and is able to directly interconnect with a TMG with built in signaling gateway functions Supports Simple Traversal of UDP Through Network Address Translators STUN a Network Address Translation NAT protocol to enable enterprise networks to pass through NAT devices such as firewalls and access the NGN Supports the Simple Network Management Protocol SNMP and Man Machine Language MML interfaces to access the network management center Supports the File Transfer Protocol FTP and the File Transfer Access and Management Protocol F TAM to access the billing center 1 4 3 Large Capacity and High Integration As advanced hardware and software design technologies are employed SoftX3000 not only has a modularized hardware architecture but also owns a high processing capability and a large capacity on the carrier class level 1 The Busy Hour Call Attempt BHCA value of a single service processing module is 400k Each module supports up to 9 000 Time Division Multiplexing TDM trunks or equivalent 50 000 subscribers At the full configuration SoftX3000 supports a maximum of 40 service processing modules the BHCA value of the whole system is 16 000k SoftX3000 supports a maximum of 360 000 TDM trunks or equivalent 2 000 000 subscribers SoftX3000 is also characterized by high integration At the full configuration only 5 cabinets are needed The operation power consumption of the cabinets is less than 12 kW 1 4 4 High Reliabi
46. and it has nothing to do with free calls such as special service numbers or intra Centrex calls Permanent reservation of calling line identification restriction 26 Quota restricted calling RO 5 3 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions No Service type Service description This service enables the system to send an alarm to the BAM if the remaining chargeable fee of the served user is smaller than a certain threshold If the served user belongs to a Centrex group the system will send an alarm to the corresponding console simultaneously After that if the user continues the conversation the system will not send any alarm until a new restriction value is set This service restricts the conversation duration of each call made by a served user Once the user s conversation expires the system will forcedly release the call and prohibit the user from continuing the conversation This service restricts the call authorities of Centrex subscribers in one or more time segments That is subscribers are allowed to make calls at the corresponding restriction level in the time segments This service is operated by the operator through the console 5 1 2 Multimedia Services I Point to point multimedia communication SoftX3000 supports multimedia communications between SIP based and H 323 based multimedia terminals including soft terminals SoftX3000 supports m
47. ass storage of the bill data The charging meter values of subscribers and trunks can be saved in the database The bills can be queried by using a number of parameters for the verification purposes A classification mechanism of detailed bills trunk bills and subscriber bills can be provided depending on the trunk group and the office direction 4 6 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions Chapter 5 Services and Functions 5 1 Services SoftX3000 provides services for users in the following ways l Services provided by SoftX3000 independently The services include basic voice services supplementary services IP Centrex service and IPN service ll Services provided by SoftX3000 along with application servers 1 3 Services provided by SoftX3000 with the cooperation of the SCP intelligent platform By interconnecting with the SCP through the INAP protocol SoftX3000 can completely inherit the existing voice intelligent network services such as FPH ACC VPN and UPT Services provided by SoftX3000 with the cooperation of the SIP application server By interconnecting with the SIP application server through the SIP protocol SoftX3000 can provide a number of value added services which integrate voice multimedia and Internet such as Unified Messaging UM Instant Messaging IM IP800 presence Personal Communication Assistant PCA Services provided by
48. ations and U SYS SoftX3000 SoftSwitch System Environmental Requirements m w e y O k Impulse response spectrum II lt 250 m s Porshe impuse Paria Note 1 Impulse response spectrum It refers to the maximum accelerated speed response curve generated by the equipment under the specified impulse motivation Impulse response spectrum II means that the duration of half sine impulse response spectrum is 6 ms 2 Payload It refers to the bearable pressure from the upper piled equipment with package in prescribed piling mode 8 2 2 Transportation Environment I Climate environment Table 8 20 Climate environment requirements Range 40 C to 70 C lt 6 mm min ll Biological environment 1 Itis required to avoid propagation of epiphyte mildew and other microorganism 2 Itis required to prevent rodent animals such as mouse Ill Air cleanness 1 No explosive conductive magneto conductive or corrosive dust 2 The density of mechanically active materials should comply with the requirements shown in Table 8 21 Table 8 21 Density requirements for mechanically active materials Mechanically active material Content Suspending dust Precipitable dust Note 1 Suspending dust diameter lt 75 um 2 Precipitable dust 75 um lt diameter lt 150 um 3 Sand 150 um lt diameter lt 1 000 um 8 9 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 Sof
49. bers to communicate in the voice manner With the proper IM number telephone subscribers including PSTN telephone terminals SIP packet terminals and H 323 packet terminals can be in a voice communication with IM subscribers After a telephone subscriber dials the IM access code a voice prompt is played to the telephone subscriber and the dialed IM number is collected The IM service makes a judgment on the current state of the IM subscriber for example whether the IM subscriber is on the Internet and whether the IM subscriber can receive voice communication And then a voice channel is established between the telephone subscriber and the IM subscriber Subsequently the IM subscriber can communicate in a voice manner with the telephone subscriber for example by using an earpiece and a microphone connected to the computer the IM subscriber can also communicate in the text way with other IM subscribers VI Web self service This service integrates the next generation voice network and Internet technology In Web pages a subscriber can query the charge bill subscriber properties information conveniently and customize supplementary services and online payment Instead of the complicated operations of PSTN this service enables the subscriber to customize personal services easily by means of Web GUI In addition to the convenience for the 9 12 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and F
50. bugging guidance It covers the voice services IP Centrex services multi media services IN services and value added services supported by SoftX3000 focusing on the meaning operations example and points for attention of various services U SYS SoftX3000 SoftSwitch System Operation Manual Service Application It elaborates on the functioning principle of the iGateway U SYS iGateway Bill User Manual Bill Also it teaches you on how to install maintain and operate the product Organization This manual introduces the product characteristics system architecture interfaces signaling and protocols OAM system services and functions networking and applications reliability and security design technical specifications and environmental requirements of SoftX3000 There are ten chapters in the manual e Chapter 1 System Introduction profiles the trends and importance of evolution of SoftX3000 a packet based Next Generation Network from traditional circuit based telecom network e Chapter 2 System Architecture introduces both the hardware structure and the software structure of SoftX3000 e Chapter 3 Interfaces Signaling and Protocols presents the various physical interfaces and signaling and protocols utilized in SoftX3000 e Chapter 4 OAM System details the operation administration and maintenance system of SoftX3000 in the aspects of functions man machine language terminal system network management and charging e Chapt
51. cess of the carrier B Figure 6 3 Typical networking model of packet gateway office In the actual networking applications the carrier can adopt any of the following modes to construct a gateway office 1 Inthe case of a large scaled local network an independent SoftX3000 is used to act as the gateway office 2 Inthe case of a small scaled local network a SoftX3000 is used to act as both the end office and the gateway office 6 3 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications 6 1 4 C5 Office End Office Softx3000 supports a number of signaling transport adaptation protocols including M2UA V5UA and IUA and supports a number of PSTN signaling including MTP ISUP R2 V5 2 and DSS1 When cooperating with Huawei UMG8900 and TMG8010 SoftX3000 can act as a C5 office end office in the traditional PSTN A typical networking model is illustrated in Figure 6 4 SoftX3000 H 248 M2UA ISUP trunk IP MAN TMG8010 UMG8900 H 248 H 248 V5UA H 248 IUA AUS UMG8900 g z 2 oS UMG8900 V5 V5 POTS BSC RSP device V5 access device PBX and NAS Figure 6 4 Typical networking model of C5 office end office Interworking with Remote Subscriber Processor RSP As part of the feature applications of UMG8900 the RSP device accesses UMG8900 through the internal protocol interface called E1 interface physically SoftX3000 controls
52. ch which enables SoftX3000 to provide basic voice services and supplementary services Proposes an optimized IP Centrex solution and supports IP Centrex subscribers IP console and wide area Centrex services Supports the T 38 protocol and provides high quality IP fax services Supports multimedia communication protocols including SIP and H 323 to provide videophone application share electronic whiteboard and videoconferencing services Supports INAP In cooperation with SCP intelligent platform SoftX3000 fully inherits the traditional IN services such as Free PHone FPH Account Card Calling ACC Virtual Private Network VPN and Universal Personal Telecommunication UPT Supports SIP In cooperation with SIP application server and third party s or virtual carrier s application server SoftX3000 provides subscribers with diversified value added services third party services or customized services such as Unified Messaging UM Instant Messaging IM Click To Dial CTD Click To Fax CTF and Presence Supports Internet Personal Number IPN 1 4 2 Powerful and Flexible Networking Capabilities Softx3000 provides open and standard protocol interfaces SoftX3000 not only supports a variety of NGN signaling protocols including MGCP H 248 SIP SIGTRAN but also supports a number of traditional PSTN signaling systems such as SS7 R2 DSS1 and V5 SoftX3000 has powerful and flexible networking capabilities 1 3 Supports b
53. cnonars 7 6 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Table of Contents Chapter 8 Technical Specifications and Environmental Requirements 8 1 9 1 Technical D gt OSCIICA ONS lolis cis 8 1 9 1 System apaclly suec pe tog a eia Pascua Eee uat UE EL sta 8 1 8 1 2 System Processing Capability oooccooccccocccoconccconccnonoconnncannonanconancnnnnnonaninnons 8 1 8 1 3 Protocol Processing Capability ooocccoccococnccccncoccnonacoconnnonononnnnonannnoncnonnnnnnnnos 8 1 14 BI Processing Capabllby celda dolce 8 2 9 1 5 Reliability SDCCINCATIONS aida 8 2 8 1 6 Power Supply and Power Consumption ccoocccoccnccoccccocnccncnccncnoncnonncncnncnnnanonnnnnnnnnos 8 2 9 1 Physical Parameters susu diia tai cid 8 3 8 1 8 Environmental SpecificatiONS o ccconcoconncconncccncconnocononnanocnnnnonnnnonannonanconanenanoss 8 4 8 1 9 Electromagnetic Compatibility Specifications cccoocccconncconnccanoconononncnconcnnnnos 8 4 8 2 Environmental Requirements occccoccccoccccccncconncnonconononnnnnnnnnnnnnnnnnnnonnnonnnnnnnnnonannenanconanenos 8 7 9 2 1 Storage ENVIO Met din 8 7 9 2 2 l ransportation ENVIO MEN Lai dianas 8 9 9 20 RUMING ENVLONMEN E Sarpa n o kilns 8 10 Chapter 9 Compliant Recommendations and Standards eese 9 1 Chapter 10 Acronyms and Abbreviations
54. cription U SYS SoftX3000 SoftSwitch System Table of Contents A e Po soRU dee sas SAAR aa na 4 6 Chapter 5 Services and Functions iii 5 1 S T OECO occas ero dei 5 1 SN Bee SOI ICC UR a Mts 5 1 9 12 IMul tmiedia SEIVICES aun antes reote e ds 5 4 Db oder ex oSrVI COS deisescorvitttes qt NUDesRU RUM CE SH Oe eapvM Ove iet ubo prede ueaE CHAT i 5 5 ssec M 5 7 AS ad Pe o AA T EC 5 9 OO WIG SOINVICCS T a c EU 5 11 aH FUNCION S ee dat 5 14 5 2 1 Support for Multi Country Code and Multi Area Code Functions 5 14 5 2 2 Support for Multi Signaling Point Code Functi0ON ooccccoccccccnccocnconcncnncncnacononcnnns 5 14 5 2 3 Support for Dual Homed Bastion Host Function cccocccocccocncocnconnnonnccancnanocanonas 5 14 5 2 4 Support for Gateway Office Functions cccooccccoccccccncconcncnononnonononnnonnnonarnnnnnnnnanonos 5 15 5 2 5 Support for IP Supermarket Function eese 5 15 Chapter 6 Networking and ApplicatiONS ooccocncocncocncccnconcconcconnconncnnconaronaronnronnrnnnrnnnrnnnrnannnans 6 1 901 YSIS HT INGBWOFKIFIG as 6 1 6 1 1 Packet Multimedia End Office cooccococcoconccccnconcnocannocanoconnnonnnnonannonanccnnnonanoos 6 1 XM INA Packet Tandem OTIS M ula o ERE een tlle te eds 6 2 6 1 35 Packet Gale way OTCE et a duis 6 3 6 1 4 CS Office EROTICO usina ia 6 4 0 1904 OMeES anden OMICS eo ost oline indicios ll 6 5 6 1 6 Interworking with H 323 Netw
55. ctive on a call to hold that call make an Three party service additional call to a third party switch from one call to the other or join the two calls together into a three way conversation This service enables a user to communicate simultaneously with multiple Conference calling parties SoftX3000 provides two types of conference calling normal conference calling and auto list conference calling This service allows a served user to answer a ringing phone set by dialing the esignated pickup corresponding prefix and the called number to be answered This service enables a served user to designate another telephone secretary to handle all his incoming calls All incoming calls will be transferred to the secretary telephone and connections can only be established between the secretary and the calling numbers This service is an enhanced type of the secretary service When a telephone set is enabled this service the incoming calls to the set will be queued In other words the incoming calls will be on hold when the phone is busy and will be answered once the phone becomes idle The secretary station service can hold a maximum of 5 incoming calls Calling is This service enables SoftX3000 to send the calling party s number to the called 19 Secretary service Secretary station 20 service eae party and display the calling number on the called reading device Calling line This service enables the calling party to restrict
56. d in the Ethernet connection between the BAM iGWB and the host The planes work in the active standby way 2 Two iGWBs work in the active standby way which ensures the security of bills 3 An emergency workstation is designed as the online backup of the BAM Whenever the BAM becomes faulty the emergency workstation can substitute the BAM temporarily and meanwhile restore the BAM with the backup data stored on its own hard disk 4 4 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 4 OAM System 4 2 Network Management and Charging SoftX3000 supports a variety of protocol interfaces such as SNMP MML FTP and FTAM SoftX3000 can fully satisfy the networking requirements for network management and charging A typical networking model is illustrated in Figure 4 2 NM center Billing center SNMP MML FTP FTAM SoftX3000 IP MAN y CP H 248 e AMG5000 TMG8010 UMG8900 IAD Figure 4 2 Networking model for network management and charging 4 2 1 Network Management SoftX3000 provides SNMP MML network management interfaces through the BAM which enables SoftX3000 to be interconnected with the network management center If Huawei iManager N2000 Integrated Network Management System is used at the network management center as the network management component of the whole network the network management system has the following functions 1 Provides MML interfaces to directly co
57. d relationship among the BAM software Operating system layer ll Billing gateway software The billing gateway software runs on the iGWB As the core component of the whole bill management system the billing gateway software stores and backs up all bills generated by the service processing modules of SoftX3000 in physical disks for billing purposes The billing gateway software also provides billing interfaces to the billing center supporting the FTP or FTAM protocol Ill Client software The client software runs on the workstations It connects to the BAM and GWB servers as a Client in the client server mode and provides users with MML based service graphic terminals Through workstations maintenance functions including data maintenance equipment management alarm management traffic measurement call signaling tracing bill management and report functions can be achieved 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 2 System Architecture Workstations can be located either locally or remotely An example is a workstation which logs in the BAM server through a Wide Area Network WAN by means of dialup access 2 8 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 3 Interfaces Signaling and Protocols Chapter 3 Interfaces Signaling and Protocols 3 1 Physical Interfaces 3 1 1 Interface Types Softx3000 supports FE E1 and clock interfaces The
58. d the left button and drag it to a certain position Ill Symbols Eye catching symbols are also used in the manual to highlight the points worthy of special attention during the operation They are defined as follows A Caution Means reader be extremely careful during the operation Note Means a complementary description Technical Manual System Description U SYS SoftX3000 SoftSwitch System Table of Contents Table of Contents Chapter 1 SoftX3000 Orientation iii 1 1 1 1 Introduction to SoftX3000 Orientation ooccconnccccnccccncocnnoncnononcnnnnnnonnnonncnonnnnnnnnnnnnnonnnnnnnos 1 5 lez INFOAUCUON TO US n REM ETE 1 1 162 1 OVervieWw or U SY o gt DION ade 1 1 12 4 NEIWOIK COMPONEN S rai da 1 2 12 39 Major Technical Featuf6es a 1 4 TZA Bere enge ejes 000 POE ds lle dia 1 5 1 9 FTOGUCUEFGaIUE OS ii Nace a Ret teat le anita unten uma s one 1 6 1 3 1 Abundant Service Provisioning Capabilities ooccccocccconnococncconnconcncnnnnnnnonos 1 6 1 3 2 Powerful and Flexible Networking Capabilities oocococccccocncoccncconocncnnnnonos 1 6 1 3 3 Large Capacity and High Integration oocccoocccoccncocnncccnnconnccnononacononcnonanonononononos 1 7 1 9 4 Higli AA tto te dide odas idee aae re 1 7 MO FAI GI OC d yn eee m rac M Mr e 1 8 1 3 6 Smooth Expansion Capability era one E rein ii 1 9 1 3 7 Optimized Charging Capabilities and Bill Management Functions
59. ding and other functions ll Database subsystem The database subsystem provides a centralized database management platform where all data required for system running including hardware data protocol data routing data and service data are managed The database subsystem provides messages or APIs for the service processing subsystem the signaling processing subsystem and the media gateway control subsystem used for query addition deletion and other operations lll Signaling processing subsystem The signaling processing subsystem is mainly responsible for implementing bearing and processing of various signaling or protocols such as SS signaling call control signaling signaling transport protocols and network routing protocols IV Media gateway control subsystem The media gateway control subsystem is used for management and maintenance of the gateways as well as management and maintenance of the bearer resources on the gateways V Service processing subsystem The service processing subsystem is used to implement the variety of services provided by SoftX3000 such as basic voice services supplementary services IP Centrex services and multimedia services 2 2 2 Terminal OAM Software The terminal OAM software runs on the BAM the iGWB and the workstations Along with the host software it supports maintenance personnel to implement the functions of data management equipment management alarm management traffic measurement
60. dopted in the iGWB and Hot RAID5 hard disk array is configured which realizes the dual backup and mass storage of the bill data The network cards of the iGWB Server are in different network segments and there is no message transfer among them In this way external users are separated from internal private networks thus ensuring the security of operations on the bill data Il Software reliability 1 Program reliability The iGWB Server is capable of transferring detailed alarm information to the alarm box through the BAM in real time mode for centralized alarming purposes thus facilitating the removal of the faults of the iGWB Server in time 2 Reliability of bill data e Against bill loss or bill repetition After saving the original bill data the iGWB Server sends a confirmation message to the host At the same time the current bill confirmation state is recorded in detail against bill loss or bill repetition The iGWB Server is restored after each start to ensure the consistency between the original bill data and the final bill data e Data backup The iGWB Server is responsible for backing up bill files and other important data in it regularly 3 Bill error tolerance e A protective mechanism of the bill pool is provided 1 3 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 7 Reliability and Security Design e he system is able to create the bill directory automatically for recovery after
61. dularized functions The functions of the modules are relatively independent and controlled by different processors The fault of one processor does not influence the normal running and operation of the whole system Il Multi processor redundant technique The key components used in Softx3000 adopt the multi processor redundant technique For example the SMUI FCCU and CDBI boards all adopt the active standby processor running mode In the normal conditions the active processor controls the running of the modules the standby processor keeps synchronized with the active one in real time Whenever the active processor becomes faulty the standby one is brought into service immediately The standby one replaces the active one to control the running and operation of the modules against service interruption of the system Ill Board level hot backup The board level hot backup method is frequently used in communication products for the purpose of improving the reliability of the system This method usually adopts the active standby work mode and is mainly applicable to service processing device management and resource management 1 1 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 7 Reliability and Security Design IV Assistant work mode Assistant work is also known as load sharing With the assistant work mode two or more boards share the related functions during the normal working Once one of the board
62. e Service Control Point SCP It is the core component of the Intelligent Network IN and is used to store subscriber data and service logics According to the call events reported by Service Switching Point SSP SCP starts an appropriate service logic retrieves the service database and the subscriber database based 1 3 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction on the started service logic and then sends proper call control instructions to the corresponding SSP to instruct the SSP how to perform next thus realizing various intelligent calls That is the main function of SCP 1 1 3 Major Technical Features I Open and distributed network architecture NGN has an open and distributed network architecture where service is separated from call control and call control is separated from bearer Thus service is independent of network Through open protocols and interfaces a variety of services can be provided flexibly and rapidly and individual subscribers can customize their own service features without considering the network structure and the terminal type of the bearer services ll High speed and packet switched core bearer The packet switched core bearer network speeds up the integration of the telecommunication network computer network and cable TV network Meanwhile the high speed core bearer network supports a diversity of services including voice service data servic
63. e and video service Ill Independent network control layer The network control layer that is SoftSwitch employs an open and independent control platform to isolate call control from media gateways The independent network control layer implements by software the basic call control functions including call routing management control and signaling interworking so that service suppliers can customize bearer services and control protocols The network control layer also provides open APIs to facilitate a third party to provide services in a rapid flexible and efficient way IV Internetworking and gateways NGN can interwork with PSTN Public Land Mobile Network PLMN 3 Generation 3G IN Internet and other networks by means of access media gateway trunk media gateway and signaling gateway The interworking enables NGN to inherit all services from the original networks efficiently V Diversified access modes Ordinary subscribers can access the network through intelligent packet voice terminals and multimedia terminals Enterprise users and corporate users can be connected to the network through access media gateways and integrated access devices which fully meets the requirements of individual users for voice data and video services 1 4 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction 1 2 Introduction to SoftX3000 Orientation Developed by Huawei Technologies Co Ltd
64. e segments per day to select a policy During each time segment this service enables the service subscriber to bind the IPN number with a different destination number V IPN charging There are two types of IPN charging namely pre payment and post payment The pre payment type allows the service subscriber to transfer money to the IPN number in advance which will be charged for all the calls in the real time way The post payment type is similar to the charging mode of an ordinary PSTN phone set such as charging every month The service subscriber must regularly pay the carrier the communication fee consumed in a specific period for example a month by means of cash or through bank 5 1 6 UC Services Unified Communication UC services refer to the various value added services provided by SoftX3000 with the cooperation from an SIP application server and a third party application server The UC system of Huawei adopts the Info Tech IT system developed by Microsoft or IBM as a third party application server that cooperates well with the U SYS solution to provide a variety of value added services for users Click To Dial CTD This service enables a subscriber to be in a VoIP communication through the packet based network with another pre determined subscriber by clicking a link on a Web page These two subscribers can be IP telephone terminals which are identified by IP telephone terminal number personal computers which are used by th
65. e users to view Web pages or ordinary PSTN phone sets which are connected to the packet network through packet gateways and identified by E 164 telephone number Il Click To Fax CTF This service enables a subscriber to transfer determined fax information to the called subscriber through the VoIP network by clicking a link on a Web page SoftX3000 9 11 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions supports both the INAP extensions and the T 38 and can transfer fax information to a fax machine lll Unified Messaging UM This service enables a subscriber to receive e mail messages voice mailbox messages voice messages video pictures short messages and fax information as well as viewing motion pictures IV Instant Messaging IM This service enables several subscribers to exchange content information in real time Usually the content information is in the text format and does not need to store The IM service is different from the e mail messaging system In the IM service the characteristic of real time transfer of text messages is provided The communication between IM subscribers are still based on text messages Combining instant messaging with mobile messaging Internet messaging and fixed messaging mobile subscribers Internet subscribers and fixed terminal subscribers can have a chat in a multimedia manner V Phone To IM This service enables IM subscri
66. ealtime Architecture Denial of Service Digital Subscriber Signaling No 1 Dual Tone Multifrequenc DNS DOPRA zl NJO nio DTMF EMC ETS Electromagnetic Compatibilit European Telecommunication Standards FAM Front Administration Module Fast Ethernet Free Phone File Transfer Access and Management Protocol File Transfer Protocol FTAM FTP Gatekeeper Graphical User Interface GateWa G G JT U ITI H 248 H 248 MECAMGO protocol 10 1 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Abbreviation Full name HTML HTTP per Text Markup Language per Text Transport Protocol LIL O 2 mM O e D om O gt O O 2 lt 3 o Q 2 oa gt oO oO D lt C0 Lc O 2 o IAD ICP ntegrated Access Device nternet Content Provider nternet Call Wait ing nternational Electrotechnical Commission nstitute of Electrical and Electronics Engineers nternet Engineering Task Force iGateWay Bill nstant Messaging nternet Message Access Protocol ntelligent Network ntelligent Network Application Protocol ntegrated Operation Support System nternet Protocol nternet Personal Number nternet Protocol SECurity extensions ntegrated Services Digital Network SDN User Part nternational Telecommunication Union Telecommunication Standardization Sector SDN Q 921 User Adaptation Layer nteractive Voice Response IEEE IGWB IMAP INAP OSS IPN
67. ecessary to use a physically separate signaling gateway UMG8900s at the access end are equivalent to AMGs in terms of functions They not only support a number of PSTN signaling including V5 DSS1 and R2 to achieve the access of V5 access network devices and PBX devices but also they support internal protocols to achieve the access of RSP devices The system adopts Huawei TELLIN as the SCP intelligent platform which interworks with SoftX3000 functioning as SSP also in the INAP over IP manner for the purpose of providing the prepaid card service for users The system adopts Huawei iManager N2000 as the iOSS device of the whole network for the purpose of device management and billing management on a network wide basis 6 13 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 7 Reliability and Security Design Chapter 7 Reliability and Security Design 7 1 System Reliability Design 7 1 1 Hardware Reliability SoftX3000 is structured in a distributed manner physically where a number of reliability measures are taken to guarantee the reliability of the hardware system For example the boards in use are designed in the active standby mode in the load sharing mode and with redundant configuration What are used in SoftX3000 are qualified electronic components which are carefully selected and have passed the aging test Distributed processing In SoftX3000 the distributed processing is achieved by means of mo
68. ement OAM functions It consists of the BAM the iGWB and several workstations WSs Its structure is shown in Figure 4 1 4 3 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 4 OAM System SoftX 3000 To the billing center Y Standby BAM Active iGWB iGWB To the network management center HUB AN UL WS WS Emergency WS S3526 Ethernet switch of Huawei Figure 4 1 Structure of the terminal system The terminal system works in the client server mode The BAM and the iGWB function as the server they are connected to the SoftX3000 host and the external computer network through the Ethernet The WSs function as the client they can be configured to the maintenance console the data management console the alarm console the traffic measurement console and the bill console according to the specific requirements In the terminal system the BAM is the hardware core to achieve the OAM functions The BAM forwards the operation and maintenance commands from the WSs to the host and directs the response made by the host to the corresponding WS The BAM plays the bridge role in the communications between the WSs and the host For the purpose of guaranteeing the reliability of the terminal system the following measures are taken in SoftX3000 1 Dual plane mode is employe
69. ension number short number The PSTN telephone number long number of the called party is unnecessarily dialed A Centrex subscriber dials an outgoing prefix for example 3 and the called Out group calling out party s PSTN number to make a call to anyone outside his Centrex group The outgoing prefix is determined by the Centrex subscriber 2 A Centrex subscriber dials the special number of the Centrex group to make a 3 Intra group calling in call to another subscriber in the same Centrex group The length of the special number depends on the size of the Centrex group subscriber who belongs to the Centrex group The Centrex group determines calls of which Centrex subscribers are restricted Out group calls of certain types can be restricted out group calls of all types can be restricted Originating call screening SoftX3000 supports distinctive ringing for intra group and out group incoming Distinctive ringing calls For example the short ringing tone is played for intra group incoming calls and the normal special ringing tone is played for out group incoming calls 1 Co group pickup A Centrex group is divided into several subscriber sub groups If a call is made to an extension in a sub group but no reply is Call pickup received the call can be answered by other subscribers in the same sub group 2 Designated pickup If a call is made to an extension but no reply is received the call can be answered by other extensions in the
70. ent scale Visualized graphical user interface SoftX3000 provides operation and maintenance interfaces by using the unique navigation tree technology In this way many MML characteristics and GUI advantages are reserved it is visualized simple and quick to operate easy to access NMS easy to memorize In addition vivid graphic network component topology view and equipment panel view are provided thus visualized operation is provided Optimized call tracing signaling tracing interface tracing and message interpretation functions A signaling analysis tool software which is independently developed by Huawei is built in to offer customers with powerful fault analysis and location capabilities Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction 4 Real time fault management capability The system receives and displays network equipment fault report in real time so that the maintenance personnel can diagnose the fault source rapidly and precisely and take proper measures to recover the system from the abnormal service 5 Online software patching online debugging remote maintenance and dynamic data setting Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 2 System Architecture Chapter 2 System Architecture 2 1 Hardware Architecture 2 1 1 Physical Structure I Introduction to the OSTA platform The OSTA platform is adopted in SoftX3000 as the hard
71. er 5 Services and Functions provides more information about the services and functions that are currently implemented in SoftX3000 e Chapter 6 Networking and Applications focuses on the system networking and typical applications of SoftX3000 e Chapter 7 Reliability and Security Design presents the reliability measures and security design of SoftX3000 e Chapter 8 Technical Specifications and Environmental Requirements lists the technical specifications and environmental requirements of the system SoftX3000 taking into account the actual conditions of Huawei developed system e Chapter 9 Compliant Recommendations and Standards lists the ITU T Recommendations and IETF Standards that the product complies with e Chapter 10 Acronyms and Abbreviations collects the definitions of terms and acronyms that are used in this manual Intended Readers The manual is intended for the following readers e NGN network planning experts e NGN network administrators e NGN system engineers Conventions The manual uses the following conventions I General conventions Arial Normal paragraphs are in Arial Arial Narrow Warnings Cautions Notes and Tips are in Arial Narrow Boldface Headings are in Boldface Courier New Terminal Display is in Courier New Il Mouse operation Click Press the left button or right button quickly left button by default Double Click Press the left button twice continuously and quickly Drag Press and hol
72. eration for a long time the bill console will automatically log off against unauthorized access 2 Operation restriction of bill client Bill data and logs can be viewed at the bill client but they cannot be deleted or modified for the purpose of ensuring the security of bill data 3 IP address restriction of bill client By configuring the Web Server it is possible to restrict the IP address of the bill client workstation to prevent unauthorized nodes from accessing 7 4 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 7 Reliability and Security Design 7 2 System Security Design 7 2 1 Networking Application Security I Closing protocol interfaces that are not in use Softx3000 provides protocol interfaces externally On these interfaces except necessary services such as MGCP H 248 SIP H 323 INAP any other unnecessary network services such as HTTP are disabled so as to prevent intrusion by unauthorized users through invalid services Il Supporting the complete IPSec protocol against DoS attacks Softx3000 makes use of network routers to implement the firewall functions and supports a complete IPSec protocol which effectively prevents the system from being attacked by unauthorized access by means of DoS 7 2 2 Protocol and Conversation Security SoftX3000 supports encryption processing on the security and packets of the MGCP H 248 SIP and H 323 protocols for the purpose of guarantee
73. ervices and IP console services 1 2 3 Major technical characteristics IP Centrex service functions are all provided by the host software There s no special requirement for separate user terminals PSTN telephone terminals are supported as IP Centrex subscribers MGCP packet terminals H 248 packet terminals SIP packet terminals and H 323 packet terminals are also supported as IP Centrex subscribers Therefore the networking mode is very flexible IP Centrex subscribers can enjoy all PBX functions In addition to all basic services provided for ordinary subscribers IP Centrex subscribers can enjoy a number of supplementary services IP Centrex subscribers can be distributed on different media gateways which help achieve the local network cross region distribution and the wide area cross region distribution The latter is also known as wide area Centrex The system supports a maximum of 8000 Centrex groups The length of the group short numbers ranges from 2 to 8 digits The number of subscribers in each group only depends on the capacity of the controlling SoftSwitch equipment 9 5 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions Il IP Centrex basic services Table 5 2 IP Centrex basic services No Service type Service description It is possible to make a call between the subscribers in the same Centrex group 1 Intra group calling out by dialing the ext
74. erworking with SIP Network SoftX3000 supports the SIP protocol and can interwork with SIP application server in the SIP network A typical networking model for the interworking with the SIP network is illustrated in Figure 6 8 6 7 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications Store Server SIP Application Server AMG TMG SIP H 323 Phone Phone WMC Web Management Client SMS Service Management Server Figure 6 8 Interworking with SIP network The SIP network application solution furthest reflects the bearer advantages of the packet based services of NGN In Figure 6 8 SoftX3000 provides call control functions and the SIP network provides services Their cooperation enables users to enjoy SIP based voice services and other services with voice and Internet integrated 6 1 9 Interworking with Parlay Gateway The Parlay system provides resource positioning certification and authorization functions for the external applications accessing the IP based Parlay services thus the development management and application of value added services can be realized even without the upgrade of the SoftSwitch equipment SoftX3000 supports the INAP and SIP protocols and can interwork through the Parlay gateway with the application servers provided by a third party or a virtual carrier A typical networking model is illustrated in Figure 6 9 6
75. escription U SYS SoftX3000 SoftSwitch System Chapter 3 Interfaces Signaling and Protocols ll Specifications of E1 interfaces Table 3 3 Specifications of E1 interfaces Parameter 2 048 Mbit s Frame format International Telecommunication Union Telecommunication Standardization Sector ITU T Recommendation G 703 PHDBs OOOO HDBa Ill Specifications of clock interfaces Table 3 4 Specifications of clock interfaces 2 048 MHz 2 048 Mbit s 3 2 Signaling and Protocols SoftX3000 provides open and standard protocol interfaces and supports a number of signaling and protocols thus achieving interconnection or interworking with a variety of devices SoftX3000 has powerful and flexible networking capabilities Main signaling and protocols supported by SoftX3000 are shown in Table 3 5 Table 3 5 Main signaling and protocols supported by SoftX3000 Purpose Compliant recommendation Protocol or standard Media gateway control protocol used for SoftX3000 to control Er NEGO Media MGCP Gateway Control Protocol the media gateways and also to access MGCP packet terminals MGCP Version 1 2 H248 Media gateway control protocol used for SoftX3000 to control ET RFC3015 Megaco l the media gateways and also to access H 248 packet terminals Protocol Version 1 0 H 248 IETF RFC3261 Session Initiation Protocol SIP Session initiation protocol used for the interconnection between SoftX3000 and other SoftSwitches or SIP applicat
76. etwork elements in a centralized way and integrated charging system e Policy Server It is used to manage the policies of the users such as Access Control List ACL bandwidth traffic and QoS e Application Server It is responsible for generating and managing logics of various value added services and intelligent network services and providing innovation platform for developing third party services by means of open APls As a physically separated component Application Server is independent of the SoftSwitch equipment resident on the network control layer This contributes to the separation of service from call control and is beneficial to the introduction of new services e Location Server It is used to dynamically manage the routes between the SoftSwitch equipment in NGN indicate reachability of the destinations of calls ensure the best efficiency of the call routing table prevent the routing table from being oversized and impractical and abate the complexity of routes e Remote Authentication Dial In User Service RADIUS Server It is used to manage subscriber authentication password encryption service selection and filtering and call charging in a centralized way e Media Resource Server MRS It is used to enable the media processing functions in the basic and enhanced services The functions include service tone provision conference service Interactive Voice Response IVR recorded announcement and advanced tone service
77. formance criterion A SoftX3000 shall continue to operate as intended during and after the test without any software or equipment related data changed or any performance degraded Equipment related data refers to all the data stored in the memory and the data being processed 2 Performance criterion B SoftX3000 shall continue to operate as intended after the test During the test a certain degradation of performance is allowed as specified by the manufacturer but the software data and memorized data is not changed and the established communication links are not interrupted After the test SoftX3000 automatically recovers to the normal performance without manual intervention 3 Performance criterion C Temporary loss of function is allowed during the test which can be restored after the test typically after the shortest time required by system restart But physical damage or degradation of system operational software does not occur 4 Performance criterion R SoftX3000 is not damaged physically or becomes faulty including software damage after the test A certain damage of protective components caused by external interference signals is allowed but after the damaged protective components are replaced and the relative operation parameters are reset the equipment can operate normally 8 2 Environmental Requirements 8 2 1 Storage Environment I Climate environment Table 8 16 Climate environment requirements Height above sea level 5
78. formation generation Along with the terminal OAM software the host software can also perform a number of operations on the host as a response to the command from the maintenance personnel such as data management equipment management alarm management traffic measurement signaling trace and bill management The host software consists of five parts system support subsystem database subsystem signaling processing subsystem media gateway control subsystem and service processing subsystem Its overall structure is shown in Figure 2 5 Media gateway control subsystem Signaling processing subsystem Service processing subsystem Database subsystem System support subsystem Hardware platform Figure 2 5 Overall structure of SoftX3000 host software System support subsystem The system support subsystem adopts the Distributed Object oriented Programmable Realtime Architecture DOPRA platform of Huawei As the software support platform of SoftX3000 it screens different operating system interfaces at the lower layers and provides unified VOS APIs for upper layer applications In addition the system support subsystem also provides upper layer applications with the realization mechanisms of Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 2 System Architecture maintenance operations alarm management traffic measurement call signaling tracing data backup board switchover online loa
79. gle office direction at most and extends the number of SS7 trunk circuits supported by a single office direction to 130000 This fully satisfies the requirements of a gateway office for a large capacity of trunks 5 2 3 Support for Dual Homed Bastion Host Function As NGN is an open and distributed network media gateways can access the ooftSwitch at any location through the IP packet network However because of the complexity issues of the network a variety of natural disasters and the reliability issues of the SoftSwitch media gateways will lose the control of the SoftSwitch in the event of an interruption of the network an earthquake where the equipment room is resident or a fault of the SoftSwitch equipment media gateways cannot provide services for users 9 14 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions This will directly influence the service quality of the carrier and then the users will complain about this To solve this problem SoftX3000 provides a dual homed bastion host control mechanism That is a media gateway device can simultaneously home at two independent SoftX3000s one of which acts as an active Media Gateway Controller MGC and the other as a standby MGC A real time backup mechanism between the Softx3000s guarantees the data consistency of the controlled media gateways Whenever the active SoftX3000 becomes faulty the standby one immediately receives
80. hnical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements Table 8 10 RE specifications Frequency band MHz Quasi peak limit ABuV m 30 to 230 230 to 1000 LO Note The RE tests are designed to demonstrate the interference signals of the product radiated from the shell port The measurement point is 10 meters away from the switching equipment Il Electromagnetic susceptibility specifications 1 Conducted susceptibility CS These specifications are applicable to 48 V DC supply cable side and partial signal side These specifications will be considered when the connection line between the ports exceeds 3 meters Table 8 11 CS specifications Voltage criterion CNN SN mk LO Note The CS tests are designed to demonstrate the bearing capability of the product regarding the external interference through cable port coupling 2 Radiated susceptibility RS Table 8 12 RS specifications Frequency range Voltage criterion 80 MHz to 1 GHz 10 V m 8 5 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements LA Note The RS tests are designed to demonstrate the bearing capability of the product regarding the external interference through shell port coupling 3 Electrostatic discharge ESD These specifications are applicable to people s hands or
81. ing the security of both protocols and call conversations 7 2 3 User Security I Supporting certification and authentication on all the devices attempting to access SoftX3000 SoftX3000 supports certification processing on all media gateways accessing gateways packet terminals and soft terminals to avoid unauthorized registration Il Supporting encryption and ciphering of certification information SoftX3000 supports encryption and ciphering processing on certification information and identification and tracing on malicious certification requests SoftX3000 refuses any malicious certification requests 7 2 4 Data Security SoftX3000 provides strict data protection mechanisms 1 SoftX3000 supports a synchronous data backup mechanism between the active and standby boards in the real time manner Whenever an active board goes 7 5 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 7 Reliability and Security Design down its standby board is automatically switched to be the active one All programs and data on the board take effect immediately SoftX3000 supports the backup of the data from the active processor s database to a flash memory which enables a quick restart of the active processor after getting data from the flash memory SoftX3000 supports an automatic backup mechanism of the bills The BAM initiates CRC check of foreground data regularly If the BAM finds that the data of the foregrou
82. interface BITS interface i Clock interface unit 2M kHz clock i signals o E1 El interface 4 interface unit Line interface module y oe I EE E PE NA Figure 2 3 Logic hardware structure of SoftX3000 System support module Equipment management unit Ethernet bus shared resource bug Broadband signaling processing unit Internal PCI bus MTP2 processing unit 2 3 Database processing unit BAM Service processing unit Background administration module Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 2 System Architecture Line interface module The line interface module provides a variety of physical interfaces to meet the system networking requirements such as Fast Ethernet FE interface E1 interface and Building Integrated Timing Supply BITS interface Please refer to Chapter 3 for more information on the interfaces ll System support module The system support module implements the functions of software loading data loading equipment management equipment maintenance inter board communication and inter frame Communication lll Signaling processing module The signaling processing module provides the lower layer processing functions pertaining to signaling or protocols such as the processing of MIP SIGTRAN TCP UDP H 248 MGCP protocols IV Service processing module The functions of the service processing mod
83. ion servers and also to access SIP multimedia packet terminals The extension protocol of SIP used for the transparent transfer el RFC3372 Session uu of ISUP signalin Initiation Protocol for d Telephones SIP T 3 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 3 Interfaces Signaling and Protocols Purpose Compliant recommendation Protocol or standard IP call and multimedia communication protocol used for the interconnection between SoftX3000 and GKs GWs or MCUs in ITU T H 323 Packet based multimedia communications systems H 323 the traditional H 323 network and also to access H 323 multimedia packet terminals SCTP used to provide the reliable data packet transfer service IETF RFC2960 Stream for the adaptation protocols of IP based Switched Circuit Control Transmission Protocol Network SCN signaling SCTP M2UA used for the interconnection between SoftX3000 and IETF RFC3331 SS7 MTP2 TMGs or UMGs with built in signaling gateway functions User Adaptation Layer M2UA IETF RFC3332 SS7 MTP3 User Adaptation Layer M3UA IETF draft ietf sigtran v5ua 03 V5 2 User Adaptation Layer V5UA IETF RFC3057 ISDN Q 921 User Adaptation Layer IUA M3UA used for the interconnection between SoftX3000 and SIGTRAN SGs V5UA used for the interconnection between SoftX3000 and UMGs with built in V5 signaling gateway functions IUA used for the interconnection between
84. it is deleted intentionally e X Offline repair of error bills is available 4 Transmission reliability The iGWB Server transmits bills to the billing center by means of FTP or FTAM Both retransmission and broken retransmission are supported Ill Four level buffer of bill information From the completion of a call to the successful transfer of bill information to the billing center there are four levels of bill buffer against bill data loss due to abnormal causes The four levels are host bill pool buffer original bill file buffer final bill file buffer and automatic CD backup 1 Host bill pool buffer Every group of FCCU FCSU boards provides a bill buffer for about 40 000 000 original bills 2 Original bill file buffer After transferred from the host bill pool to the iGWB Server the original bills are stored first in the hard disk as the level two buffer At the full configuration the iGWB Server can accommodate 3 000 000 000 bills 3 Final bill file buffer After having processed the original bills the iGWB Server saves in the hard disk the final bill data to be sent to the billing center thus implementing the level three buffer 4 Automatic disk backup The iGWB Server regularly backs up the bill data in the hard disk to a magneto optical disk to implement the level four buffer IV Security of bill console 1 Bill console lock Username and password are protected by the bill console If the user makes no op
85. ith fax machine attached supports the fax services 3 Codec code switch function is supported Codec codes can be converted to the 1 38 format for the transparent transfer over the packet switched domain for the purpose of providing users with end to end fax communication service of high quality lll Supplementary services SoftX3000 can provide more than 40 types of supplementary services Some frequently used supplementary services are described in Table 5 1 Table 5 1 Supplementary services supported by SoftX3000 Service type Service description 1 to 2 digits can be used to substitute the actual telephone number which may be a local number national toll number or international number For example in China 2 digits are typically adopted to substitute the actual telephone number so one subscriber has a maximum of 100 abbreviated called numbers This service means if a user does not dial any number in the specified time for example 5 seconds after picking up the phone the call will be automatically 2 Hotline connected to a particular called party If a user who has registered the immediate hotline service picks up the phone the call will immediately reach the registered destination A user can register to restrict some outgoing authorities for example toll calls utgoing call barring pce of a particular phone set by following a certain dialing procedure This service is provided for the user who does not want to be disturbed by
86. l Specifications 8 1 1 System Capacity Table 8 1 System capacity Specification Maximum number of supported TDM trunks 360 000 Maximum number of supported gateways 2 000 000 Maximum capacity of supported black and white lists 2 000 000 Maximum capacity of supported external prepaid card numbers 1 000 000 POTS subscribers 2 000 000 Maximum number of supported subscribers most Lc ESPA UP IPN subscribers 200 000 IP consoles 100 000 Maximum number of supported multimedia terminals SIP terminals 2 000 000 H 323 terminals 1 000 000 8 1 2 System Processing Capability Table 8 2 System processing capability BHCA of a single service processing module 400k BHCA of the system 16000k Call drop rate lt 0 01 Calls between intra domain subscribers lt 200 ms Call setup time Calls between both intra domain subscribers and out domain subscribers lt 500 ms 8 1 3 Protocol Processing Capability Table 8 3 Protocol processing capability Specification PMO Number of supported local signaling point codes 16 Maximum IP signaling bandwidth 4 x 100 Mbit s Maximum number of supported 64 kbit s MTP links 1 280 8 1 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements Specification Maximum number of supported 2 Mbit s MTP links 800 Maximum number of supported M2UA links 1 280 Maximum number of supported M3UA links 1 280 Packet
87. lity For the purpose of guaranteeing the high reliability of the system a number of protective measures are taken in the hardware design software design system overload control and charging system of SoftX3000 1 7 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction 1 Hardware design adopts active standby mode load sharing and redundancy configuration for the boards and optimizes fault detection and isolation techniques of the boards and the system to improve the maintainability of the whole system 2 Software design adopts hierarchical modularized architecture with protective performance error tolerance capability and fault monitoring function 3 System overload control provides 4 level overload restrictions dynamic code adjustment mode and traffic control to fully ensure the reliability of the system 4 Charging system iGWB Server developed by Huawei is employed as SoftX3000 charging gateway iGWB Server adopts dual system hot backup and is configured with Hot RAID5 hard disk array to implement dual backup and mass storage of bill data Depending on a reliable prediction method the Mean Time Between Failures MTBF of SoftX3000 reaches 53 years and the yearly interruption time of the system is only 0 89 minute on average 1 4 5 High Security NGN is an open and distributed network where open protocols and interfaces enable it to interwork with various NGN network comp
88. m Architecture In SoftX3000 all frames can be used universally in the aspect of the hardware Each frame is designed in the width of 21 standard board slots System management boards Ethernet communication boards alarm boards and power boards occupying the width of 2 standard board slots must be configured in the fixed slots of the frame occupying the width of 9 standard board slots The remaining 12 slots are used for service boards and interface boards ll Physical structure of SoftX3000 SoftX3000 is physically composed of OSTA frame Back Administration Module BAM and iGWB billing gateway The OSTA frames construct the host of SoftX3000 implementing the functions of service processing and resource management The BAM and the iGWB constitute the background of SoftX3000 implementing the functions of operation and maintenance and bill management The physical structure of SoftX3000 is illustrated in Figure 2 2 AAA TO ML LN FE TTT FE Tothe billing center FE Frame 0 Em gt Active GWB o the billing center Frame 1 p iis Frame 2 o Background PA ill Frame 17 L ne eae NS WS WS WS FE Fast Ethernet GE Gigabit Ethernet WS Workstation Figure 2 2 Physical structure of SoftX3000 1 Inter device communication e Communicatio
89. mat to the suitable one that can be transferred over the network Integrated Access Device IAD It is a type of subscriber access device used in the NGN architecture It introduces data audio video and other services of the subscribers to the packet based network Each IAD provides a maximum of 48 subscriber ports Access Media Gateway AMG It provides subscribers with a diversity of service access such as analog subscriber access Integrated Services Digital Network ISDN access V5 access and x Digital Subscriber Line xDSL access SIP Phone It is a type of multimedia terminal device supporting the Session Initiation Protocol SIP H 323 Phone It is a type of multimedia terminal device supporting the H 323 protocol Signaling Gateway SG It is located at the interface layer of the Signaling System No 7 network and the Internet Protocol IP network achieving the signaling conversion function between the Public Switched Telephone Network PSTN and the IP network Trunk Media Gateway TMG It is resident between the circuit switched network and the IP packet switched network It provides functions of format conversion between Pulse Code Modulation PCM signal streams and IP media streams Universal Media Gateway UMG It implements the functions of media stream format conversion and signaling conversion It can act as a TMG built in SG or AMG It can connect a variety of devices including PSTN exchange Private Branch Excha
90. n be performed on the hardware components system resources signaling links clock links and physical ports of the SoftSwitch system as well as the gateways and terminals under its control ll Data management Data management provides multiple database operation methods such as addition deletion modification query storage backup and restoration By using these database operation methods efficient management and maintenance can be performed on the various data including equipment data gateway data signaling data routing data charging data and subscriber data which runs on the SoftSwitch system Ill Alarm management Alarm management receives and handles the variety of alarm information generated by the system Depending on the category and severity level of the alarms the appropriate alarm terminal device such as the alarm box or the alarm station will be driven to produce different audible and visual signals Moreover the corresponding 4 1 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 4 OAM System alarm message will be interpreted and then transmitted to the network management center through the network management interface In addition alarm management also has the functions to store the alarm information query the alarm history and set the alarm processing mode IV Charging and bill management Charging and bill management provides functions to manage and operate the bill informati
91. n between the frames is achieved through the internal Ethernet Every frame is connected to the LAN Switches O and 1 through two network cables 2 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 2 System Architecture e Communication between the frames and the BAM iGWB is achieved through the internal Ethernet The BAM and the iGWB are connected to the LAN Switches O and 1 through two network cables e The BAM and the iGWB are connected to a hub through a network cable respectively The workstations communicate with the BAM and the iGWB using the TCP IP protocols by means of client server 2 Capacity characteristics of the system In the actual applications the capacity of the system depends on the number of configured OSTA frames ranging from 1 to 18 which fully meets the requirement of smooth expansion For example the configuration of one frame achieves the application of 10 000 TDM trunks or equivalent 60 000 subscribers the standard configuration with a physically separate MRS achieves the application of 360 000 TDM trunks or 2 000 000 subscribers 2 1 2 Logic Structure From the functional point of view the hardware structure of SoftX3000 is logically composed of five modules namely line interface module system support module signaling processing module service processing module and background administration module as shown in Figure 2 3 FE interface unit FE
92. nal PSTN signaling such as Signaling System No 7 SS7 R2 signaling DSS1 signaling and V5 protocol Coordination with SG TMG UMG and other gateways enables SoftX3000 to own various access networking capabilities and trunk networking capabilities which the existent PSTN exchanges have SoftX3000 can function as a voice end office tandem office or toll office 3 SoftX3000 supports black and white lists call authentication call interception and so on SoftX3000 can act as a gateway office 4 SoftX3000 supports the Message Transfer Part MTP and the Message Transfer Part 3 User Adaptation Layer M3UA which enables SoftX3000 to serve as an integrated signaling gateway 5 SoftX3000 supports the Intelligent Network Application Protocol INAP so it can be used as an SSP in the IN system 6 SoftX3000 supports the H 323 protocol and can function as a gatekeeper GK in the traditional Voice over IP VoIP network Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction 1 4 Product Features 1 4 1 Abundant Service Provisioning Capabilities SoftX3000 not only inherits the various service capabilities from the traditional PSTN and IN but also provides value added services on the basis of the NGN architecture Softx3000 has abundant service provisioning capabilities as follows 1 2 9 6 1 Completely inherits voice service capabilities from Huawei C amp CO08 Swit
93. nd is inconsistent with that of the background it will initiate a setting procedure to the foreground If the setting procedure fails after pre determined attempts an alarm will be generated to indicate to the operation personnel to restore the data 7 2 5 Operation and Maintenance Security The following measures are taken in SoftX3000 to ensure the operation and maintenance security of the system 1 SoftX3000 supports the dual certification logon security management based on account and workstation s IP address to avoid dormant troubles caused by account disclosure SoftX3000 supports the multi level user authority management against authorized access All operations performed by the maintenance personnel are recorded in a log to ensure the locatability and traceability of the history operations Prompting alarms are available against system exceptions due to unintentional mistakes An excellent check function is available for operator s configuration activities Unauthorized configurations will be refused The maintenance and operation system has a protection for usernames and passwords If the user makes no operation for a long time the system will automatically log off against unauthorized access 7 6 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements Chapter 8 Technical Specifications and Environmental Requirements 8 1 Technica
94. nd the top level gatekeeper of the opposite party When the SoftSwitch network and the H 323 network are owned by the same carrier the interworking point is determined by the carrier depending on the actual conditions of the network construction 6 1 7 Interworking with IN Softx3000 supports SCCP TCAP INAP and provides SSF CCF SRF and CCAF SoftX3000 can act as an SSP in the IN A typical networking model for the interworking with IN is illustrated in Figure 6 7 6 6 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications SS7 signaling lt network MTP I SG7000 M3UA SoftX3000 IP backbone lt SA E AMG TMG Figure 6 7 Interworking with IN In the actual networking applications the carrier can adopt any of the following modes for interworking with SCP 1 Both SoftX3000 and SCP provide MTP links to the SS7 signaling network The INAP protocol of both parties is borne over TCAP SCCP MTP 2 Both SoftX3000 and SCP provide M3UA links to the IP core network The INAP protocol of both parties is borne over TCAP SCCP MS3UA SCT P IP 3 SoftX3000 provides M3UA links to SG7000 SCP provides MTP links to the SS7 signaling network SG7000 is responsible for the conversion of the protocols At the SoftX3000 side the INAP protocol is borne over TCAP SCCP M3UA SCTP IP at the SCP side the INAP protocol is borne over TCAP SCCP MT P 6 1 8 Int
95. nge PBX access network Network Access Server NAS and base station controller ll Core switching layer Core switching layer adopts the packet technology and is composed of the devices distributed over the backbone network and the Metropolitan Area Network MAN such as router and layer 3 switch It is used to provide subscribers with a uniform and integrated transmission platform with high reliability Quality of Service QoS assurance and a large capacity 1 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction Ill Network control layer Network control layer is responsible for implementing call control Its core technology is soft switching which is used to achieve basic real time call control and connection control functions ooftSwitch As the core equipment of NGN SoftSwitch mainly implements call control media gateway access control resource allocation protocol processing routing authentication and charging functions and provides subscribers with basic voice services mobile services multimedia services and Application Programming Interfaces APIs IV Service management layer Service management layer is mainly used to provide supplementary value added services and operation support based on established calls e iOSS is the acronym of integrated Operation Support System which includes two parts Network Management System NMS for managing the NGN n
96. ngestion of global service AMG and TMG and failure of host and BAM U SYS SoftX3000 SoftSwitch System Maintenance Manual Emergency Maintenance It guides the maintenance engineers on how to replace hardware components such as boards fan frame LAN Switch and hard disk U SYS SoftX3000 SoftSwitch System Maintenance Manual Parts Replacment It details the installation procedure of SoftX3000 hardware components and matters needing attention during the installation process U SYS SoftX3000 SoftSwitch System Hardware Installation Manual It covers the detailed procedure of installing SoftX3000 U SYS SoftX3000 SoftSwitch System software including BAM server emergency workstation Software Installation Manual and client focusing on the key points that might cause installation failure It guides the engineers how to perform traffic measurement operations and how to analyze traffic measurement results U SYS SoftX3000 SoftSwitch System Operation Manual Traffic Measurement It guides the engineers how to configure various data in U SYS SoftX3000 SoftSwitch System SoftX3000 including configuration steps preparations Operation Manual Configuration Guide database table referencing relationships and command parameters U SYS SoftX3000 SoftSwitch System It guides the engineers how to configure various data in Operation Manual Configuration SoftX3000 including networking example configuration Example script key parameters and de
97. nical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications supports xDSL subscribers to achieve the integrated access of both voice and data 2 Distributed subscriber access scheme This scheme is designed for the access of a small capacity of voice and data subscribers who are relatively centralized An IAD is used and connected to SoftX3000 in the MGCP H 248 protocol to achieve voice call and value added services Meanwhile an IAD with data access functions can be used as a LAN Switch for the access of data subscribers in the Ethernet manner 3 Individual subscriber access scheme This scheme is designed for the access of OpenEyes SIP Phones H 323 Phones MGCP packet terminals H 248 packet terminals to SoftX3000 to achieve voice and multimedia services Meanwhile intelligent terminals can also implement a variety of individualized services and subscriber management 6 1 2 Packet Tandem Office SoftX3000 supports a number of routing functions such as the plane static routing the layered static routing and the dynamic routing SoftX3000 can act as a packet tandem office A typical networking model is illustrated in Figure 6 2 p SoftX 3000 tandem office SIP ENUM TRIP SoftSwitch SoftSwitch end office A end office B i SIP trunk kbone SIP trunk E MAN A vir unk Backbone olr trunk e MAN B P Pa a ee ee eS Sey 23 OpenEye MGCP H 2
98. nnect the BAM because iManager N2000 integrates the OAM client software of SoftX3000 It is equivalent to a remote workstation of the terminal system 2 Provides a centralized management on the NGN network elements including AMG5000 TMG8010 UMG8900 SG7000 and IAD 3 Provides NGN service management including registration of IAD services and management of the subscribers 4 Provides NGN resource management including management of both equipment resources and service resources 4 5 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 4 OAM System 4 2 2 Charging I Charging networking Softx3000 supports the interconnection to the billing center using the FTP FTAM protocol thereby realizing the effective and fast collection of bills Il Bill management A stable storage mechanism of Call Detail Record CDR is provided to meet the billing requirements of the billing center An automatic mechanism of fetching bills from the host bill pool is provided against overflow of the bill pool A protective mechanism in the event of overflow of the host bill pool is provided in order to minimize the loss of the bills A timing setting option of not automatically fetching bills is provided in order not to influence the call processing performance of the equipment at the busy hour The dual system hot backup mode is adopted in the iGWB and Hot RAID5 hard disk array is configured which realize the dual backup and m
99. nt PCA This service provides a number of functions to realize the management of personal information For example a subscriber can put all personal information in the network including the address book schedule e mail address voice mailbox fax mailbox preferred news preferred stocks The subscriber operates such information through Web pages or by means of voice interfaces to build a personal communication assistant IX Integrated communication VPN service The integrated communication VPN service not only inherits all the features of the VPN service based on the traditional PSTN but also has new service features brought by the integration of the networks These service features may be the enhancement of the original features such as the communication between a PSTN telephone and a mobile telephone in the network They may also be new service features such as the multimedia communication capability As NGN is an integrated and open network architecture a variety of user terminals can be used in the integrated communication VPN service such as PSTN telephones mobile phones SIP phones pagers personal computers fax machines and even personal digital assistants The integrated 9 13 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions communication VPN service subscriber is no longer restricted to voice calls The service subscriber can also enjoy digital and video communication
100. number as defined by the card content The service subscriber must be provided with a unique card number When using this service the subscriber should input the access code card number and Personal Identification Number PIN After the network authenticates the card number and PIN input and returns the confirmative indication the card user can make normal phone calls lll Virtual Private Network VPN This service provides a logically private network for organizations and enterprises to make their services public by using the resources of the public telephone network 5 7 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions VPN supports special numbering of the service subscriber and has flexible charging modes The VPN special account number is charged for all outgoing calls except those made by means of personal account number by a VPN member IV Universal Personal Telecommunication UPT This service enables the service subscriber to access any network and originate and receive any type of calls across multiple networks by using a unique Personal Telecommunication Number PTN which is associated to mobility service Depending on the requirements of the service subscriber the UPT number can be translated into the corresponding communication number and routed for transferring the incoming calls to the proper place which is designated by the service subscriber V Mass Calling
101. o bra doe aote dete eased 8 7 8 2 2 Transportation ENvirOnMent ccccceeceeseeeeeeeeeeeeeeeeeeeeeseeeesaaeees 8 9 9 2 9 RUANING ENVIFONMCN scsi is 8 10 Chapter 9 Compliant Recommendations and Standards 9 1 Chapter 10 Acronyms and Abbreviations eeessss 10 1 HUAWEI U SYS SoftX3000 SoftSwitch System Technical Manual System Description V300R001 U SYS SoftX3000 SoftSwitch System Technical Manual Volume System Description Manual Version T2 010254 20040815 C 3 06 Product Version V300R001 BOM 31025854 Huawei Technologies Co Ltd provides customers with comprehensive technical support and service Please feel free to contact our local office or company headquarters Huawei Technologies Co Ltd Address Administration Building Huawei Technologies Co Ltd Bantian Longgang District Shenzhen P R China Postal Code 518129 Website http www huawei com Email support huawei com Copyright 2004 Huawei Technologies Co Ltd All Rights Reserved No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co Ltd Trademarks a s iM HUAWEI C amp CO8 EAST8000 HONET gt ViewPoint INtess ETS DMC TELLIN InfoLink Netkey Quidway SYNLOCK Radium Wh m900 M1800 TELESIGHT Quidview Musa Airbridge Tellwin Inmedia VRP DOPRA iTELLIN
102. oftX3000 SoftSwitch System Chapter 1 System Introduction 9 Security in the aspect of operations and maintenance Supports dual certification login security management pertaining to both account and workstation IP address Supports multi level user authority management 1 4 6 Smooth Expansion Capability SoftX3000 is designed with a smooth expansion capability in the aspects of hardware design and system processing capability with the potential expansion requirements of the customers taken into account 1 Hardware design Open Standards Telecom Architecture Platform OSTA is the hardware platform of SoftX3000 The platform has a modular overlap structure By expansion of processing frames in the mode of building blocks frames are interconnected through LAN Switch 1 to 18 frames can be configured freely and the customers requirements for smooth expansion can be satisfied System processing capability The BHCA value of SoftX3000 is up to 16000k Enough space is reserved for future service expansion so increasing service or expansion requirements of the customers can be satisfied 1 4 7 Optimized Charging Capabilities and Bill Management Functions SoftX3000 has optimized charging capabilities SoftX 3000 not only supports to charge voice data and multimedia services with several charging modes and bill types but also provides optimized bill management functions The main characteristics are as follows 1 O N
103. on which is stored in the host bill pool and the iGWB hard disk The functions include updating the host charging meters getting bills from the host querying the bills backing up the bills converting the bill format sending the bills to the billing center V Trace management Trace management provides functions such as connection tracing signaling tracing interface tracing and message interpretation By using these functions a real time and dynamic trace can be conducted on the connection process state transition resource occupancy telephone number information transfer and control information streams relating to the terminal users trunk circuits signaling links and interface protocols The tracing information can be preserved for future reference In this way powerful fault analysis and location capabilities can be provided for users VI Signaling analysis Signaling analysis provides a built in signaling analysis tool software which is developed independently by Huawei The software works along with the trace management functions to analyze the signaling interaction processes in an online or offline way Signaling analysis provides strong maintenance approaches to quickly locate the cause of a fault and also to optimize the configuration of signaling links Vil Traffic measurement Traffic measurement traffic statistics performs measurements and statistics on the services and objects of a variety of call types By analyzing the
104. onents Networking applications over NGN are very flexible However this openness also results in inevitable network security issues as IP network is characterized by seamless connection For the purpose of ensuring the security of the network and all authorized subscribers SoftX3000 is structured with a perfect security design against malicious attack illegal registration anonymous calling wiretapping stealing accounts and other illegal acts 1 Security in the aspect of networking applications e Protocol interfaces that are not in use can be closed e Supports the complete Internet Protocol SECurity extensions IPSec protocol to prevent the system from being attacked by means of Denial of Service DoS 2 Security in the aspect of protocols and communications Supports the security of the protocols and the encryption processing of the protocol packets including MGCP H 248 SIP and H 323 3 Security in the aspect of data e Supports the real time data backup mechanism between the active and standby boards e Supports the mechanism of automatically backing up the database of the active processing unit to a flash memory e Supports the automatic backup mechanism of the bills 4 Security in the aspect of subscribers e Supports certification and authentication on all the devices attempting to access SoftX3000 e Supports encryption and ciphering of certification information 1 8 Technical Manual System Description U SYS S
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106. oth MGCP and H 248 as the media gateway control protocols is able to interconnect with IADs AMGs TMGs and UMGs and allows access to MGCP packet terminals and H 248 packet terminals Supports SIP is able to interwork with other SoftSwitches and SIP application servers and allows SIP packet terminals to access directly Supports H 323 is able to interconnect with traditional VolP gateways and Multipoint Control Units MCUs and allows H 323 packet terminals to access directly 1 6 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 1 System Introduction 4 6 10 11 Supports V5 2 protocol DSS1 signaling and R2 signaling Cooperation with UMG enables the access of PBX NAS access network devices and Base Station Controllers Supports MTP Telephone User Part TUP and ISDN User Part ISUP is able to interconnect with Signaling Points SPs and Signaling Transfer Points STPs resident in the SS7 network and provides No 7 trunks to interconnect with PSTN exchanges Supports Signaling Connection Control Part SCCP Transaction Capabilities Application Part TCAP and INAP provides Service Switching Function SSF and so can be used as an SSP in the IN Supports both M3UA and MTP protocols and can function as a signaling point interconnecting with a signaling gateway or an integrated signaling gateway Supports the Message Transfer Part 2 User Adaptation Layer M2UA protocol
107. r of the IPN The called destination number may be the number of the phone set on which the registry is performed the called destination number may also be a different telephone number Once the dynamic rule is confirmed all the calls to the service subscriber will be routed to this called destination number It should be noted that the IPN dynamic rule is prior to the IPN static rule If no data is set in the IPN dynamic rule the IPN static rule will take effect If data is set in the IPN dynamic rule the system will not use the IPN static rule even though the calls fail to be connected IV IPN static rule The IPN static rule enables a service subscriber to perform management operations by means of Web self service SoftX3000 supports to select a policy based on sequence 5 10 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions or based on time The service subscriber can set different static policies but only one of them takes effect at any time 1 Sequence based policy The system supports a maximum of five destination numbers If the calls fail to connect the first destination number or no reply is received from the first destination number the calls will be routed to the second destination number Such a selection will go on in this way until a reply is received or all the destination numbers cannot be connected successfully 2 Time based policy The system supports five tim
108. ral function of messages and Signals of ISUP Q 763 Formats and codes of ISUP TU T Q 764 Signaling procedures of ISUP TU T Q 767 Application of the ISDN user part of CCITT Signalling System No 7 for international ITU T Q 761 Functional description of the ISDN user part of Signalling System No 7 ISDN interconnections C 9 1 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 9 Compliant Recommendations and Standards Serial No Recommendation or standard Issued by Specifications of Signalling System No 7 Functional description of transaction Q 771 i ITU T capabilities TC Specifications of Signalling System No 7 Transaction capabilities information Q 772 VR ITU T element definitions Q773 eee of Signalling System No 7 Transaction capabilities formats and ITU T Q 774 opecifications of Signalling System No 7 Transaction capabilities procedures TU T Q 775 Table of Contents and Summary of Recommendation Q 921 ISDN user network interface Data link layer specification Q 931 ISDN user network interface layer 3 specification for basic call control X 208 Specification of Abstract Syntax Notation One ASN 1 X 209 Specification of Basic Encoding Rules for Abstract Syntax Notation One ASN 1 draft ietf midcom s Simple Traversal of UDP Through Network Address Translators STUN tun 02 ec 3 c draft ietf s a 03 IETF IETF IETF IETF IETF IETF IETF IETF
109. s 5 2 Functions SoftX3000 supports multiple unique functions or features satisfying the requirements of various networking or applications 5 2 1 Support for Multi Country Code and Multi Area Code Functions As NGN adopts a high speed packet switched network as its core bearer it is made possible for a carrier to network across several regions and countries by using SoftSwitch equipment This is a good way to reduce the investment of the network construction and improve the marketing competitive power of the carrier In a pure software manner SoftX3000 simultaneously supports multi country code and multi area code functions to fully satisfy the across region and across country networking requirements of the carrier 1 Simultaneously supports 50 country codes ensuring the correctness of calling number transmission and number analysis 2 Simultaneously supports 500 area codes ensuring the correctness of calling number transmission and number analysis 3 The nature of service of the calls between multiple area codes is national toll calls which can be flexibly charged 4 The E 164 numbers of the users using different area codes can be the same that is E 164 numbers can be repeatedly used 5 2 2 Support for Multi Signaling Point Code Function Softx3000 can function as a gateway office supporting a maximum of 32 local signaling point codes This breaks through the limit of 4096 2 4096 SS7 trunk circuits supported by a sin
110. s becomes faulty the tasks imposed on the faulty board are taken to the hand of other boards on the premise that certain performance parameters such as call loss must be guaranteed 7 1 2 Software Reliability Softx3000 software adopts a hierarchical modularized architecture with protective performance error tolerance capability and fault monitoring function Protective performance From requirement analysis system design to software test all stages of the development of SoftX3000 strictly follow the Capability Maturity Model CMM procedures Code walk through inspection review unit test system test and other useful quality assurance measures taken in SoftX3000 development improve the reliability of the software greatly ll Error tolerance capability By means of timing detection for key software resources real time task monitoring storage protection and data check SoftX3000 effectively prevents minor software faults from imposing a great effect on the whole system which greatly improves the error tolerance capability of the system Ill Fault detection and handling SoftX3000 is able to automatically detect and diagnose both software and hardware faults The faulty components can be automatically switched restarted and reloaded to avoid service interruption 7 1 3 System Overload Control The load control mechanism of SoftX3000 is as follows 1 Provides 4 level overload restriction functions When the CPU load reaches
111. same Centrex group Ill IP Centrex supplementary services A Centrex subscriber directly dials the emergency number to make an Emergency call emergency call without dialing the outgoing prefix for example to make a fire emergency call IP Centrex subscribers can not only enjoy all basic services and supplementary services provided for ordinary subscribers but also can enjoy a number of new services specialized for them Such specialized services include designated pickup co group pickup remotely set call forwarding unconditional remotely set call forwarding busy and remotely set call forwarding no reply IV IP console services SoftX3000 supports IP console services U Path is an IP console product of Huawei As a key component of the IP Centrex solution U Path under the control of SoftX3000 achieves voice data and other service functions through the pure packet switched IP network Besides U Path manages the subscribers in the IP Centrex group and the services they enjoy which contributes to the integration and abundance of Huawei IP Centrex services IP console services have the following technical characteristics 5 6 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions 1 IP access feature which allows the console to access SoftX3000 across the IP network so that the console operator can be located far away from SoftX3000 2 Call control functions such as call
112. statistic data the running conditions of the SoftSwitch the gateways and the whole network can be known which provides the basic data for the planning design operation management and maintenance of the telecommunication network Vill Environment and power supply monitoring Environment and power supply monitoring performs monitoring and control in a remote way on the running environments power supply devices and other intelligent devices in both central and remote equipment rooms 4 2 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 4 OAM System 4 1 2 MML Command Line I Characteristics of MML MML is a set of man machine interactive interfaces which are compliant with the ITU T Recommendations Z 301 to Z 341 MML provides users with a command set to operate and query SoftX3000 By means of the command set users can perform monitoring and management on SoftX3000 The characteristics of SoftX3000 MML are as follows 1 The MML command set encapsulates the services of Softx3000 One command corresponds to one function rather than a simple operation For example to add an ESL subscriber you should follow the steps modify the subscriber data index table gt modify the subscriber data table gt modify the subscriber equipment table gt convert the format gt set the host After the encapsulation of the MML commands the steps become transparent What is required is to execute one function
113. tSwitch System Environmental Requirements 3 The density of chemically active materials should comply with the requirements shown in Table 8 22 Table 8 22 Density requirements for chemically active materials mg m IV Mechanical stress Table 8 23 Mechanical stress requirements O m w O o e y Offset Sinusoidal vibration Accelerated speed lt 20 0 m s lt 40 0 mis Frequency range 2Hzto9Hz 9 Hz to 200 Hz 200 Hz to 500 Hz Random vibration accelerated speed 3 m s 1 m s Frequency range 2Hzto9Hz 9Hzto 200 Hz 200 Hz to 500 Hz Non stable impulse spectrum Il lt 300 mis Payload lt 10 kPa O Note 1 Impulse response spectrum It refers to the maximum accelerated speed response curve generated by the equipment under the specified impulse motivation Impulse response spectrum II means that the duration of half sine impulse response spectrum is 6 ms 2 Payload It refers to the bearable pressure from the upper piled equipment with package in prescribed piling mode 8 2 3 Running Environment I Climate environment Table 8 24 Temperature and humidity requirements Working for a Working for a Working for a Working for a long term short term long term short term SoftX3000 5 C to 45 C 5 C to 55 C 5 to 85 5 to 95 8 10 Technical Manual System Description Chapter 8 Technical Specifications and U SYS SoftX3000 SoftSwitch System Environmental Requirements Working for a Working for
114. the control of the media gateways against interruption of the services so that the reliability of the system can be improved and the disaster proof ability of the network can also be enhanced 5 2 4 Support for Gateway Office Functions SoftX3000 supports a number of gateway functions such as black and white lists call authentication and call interception Depending on the calling subscriber s number or incoming trunk s identifier SoftX3000 can bar or allow incoming calls from certain calling subscribers or incoming trunks to certain destination numbers including intra network calls national toll calls international toll calls and other voice services and multimedia services Softx3000 acting as an inter network gateway office has the following technical characteristics 1 Comprehensive authentication and interception capabilities SoftX3000 can conduct flexible authentication based on the calling number or calling number prefix calling subscriber s category outgoing incoming trunk group identifier nature of call service destination number called number or called number prefix calling time SoftX3000 provides authentication capability associated with black and white lists The capacity of the black and white lists is up to 2 000 000 2 Precise and flexible charging capabilities SoftX3000 provides two charging modes namely meter and detailed bill and allows 100 calls to have a bill The duration precision in the bill is 1 second
115. the services in the H 248 protocol A large scale application can thus be achieved for example 200 000 subscribers This is a most applicable solution to re build the existent PSTN exchange network 6 4 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 6 Networking and Applications ll Interworking with V5 access device SoftX3000 can provide standard V5 1 V5 2 interfaces with the cooperation of Huawei UMG8900 achieving the interworking with access network devices and base station controllers for example Huawei ETS450 lll Interworking with PBX and NAS Softx3000 can provide standard PRIs or R2 trunks with the cooperation of UMG8900 achieving the interworking with PBX and NAS 6 1 5 C4 Office Tandem Office SoftX3000 supports M2UA M3UA MTP and ISUP When networking with Huawei UMG8900 TMG8010 and SG7000 SoftX3000 can act as the C4 office tandem office in the traditional PSTN network A typical networking model is illustrated in Figure 6 5 SoftX3000 IP MAN backbone ISUP trunk SS7 signaling MTP Other C4 office twork Tucan or toll office networ H 248 UMG8900 M2UA TMG8010 UMG8900 ISUP trunk C5 office C5 office C5 office Figure 6 5 Typical networking model of C4 office tandem office There are three networking cases for SoftX3000 to interwork with a C5 exchange 1 In case of M2UA SoftX3000 can interwork with a C5 exchange through Huawei TMG8010 or
116. tions A maximum of 256 statistical tasks can be registered and conducted at the same time The traffic measurement item can be scheduled and the testing time can be preset so that the measurement can be started and stopped at the specified date and time automatically The scheduled measurement item can also be cancelled For the scheduled traffic measurement item the system supports more than 4 statistical durations every day The statistical tasks can be automatically output to different terminals and the network management center Several traffic measurement items can be combined according to your requirements Items can be measured individually or together at a time One statistical task has up to 32 measurement items A maximum of 1000 measured objects can be supported such as destination signaling code and media gateway 1 4 9 Convenient and Practical Operation and Maintenance SoftX3000 provides convenient and practical operation and maintenance functions as follows 1 Flexible and diversified management modes SoftX3000 adopts a distributed structure based on Client Server providing multiple maintenance modes such as Graphical User Interface GUI and MML command line Softx3000 supports simultaneous access to the equipment by multiple local and remote clients The related network management network can be constructed flexibly depending on the factors including the network structure the management requirements and the investm
117. transfer call assistance incoming call queue call hold and resume re dialing 3 Call emergency override transfer functions 4 Transferring calls to a standby number in the event of console failure 5 Calling by called partys name and calling name identification presentation functions Multi language auto wakeup Do not disturb service Night service function Distinctive presentation for intra group and out group incoming calls 10 Call forwarding to console on busy no reply or do not disturb 11 Forwarding charge not recorded in U Path 12 Console queue announcement 5 1 4 IN Services Fully compliant with the ITU T Recommendations Q 122x and Q 123x series and the ITU T Recommendation Q 1218 SoftX3000 supports SSF so SoftX3000 can act as an SSP in the IN With the cooperation of the SCP entity SoftX3000 can provide users with abundant IN services Free PHone FPH This service enables calls to the service subscriber to be paid by the called party For example if a commercial organization or a person applies for this service the service subscriber will be charged for all the calls to the served user As such outgoing calls are free for the calling party they are usually called Freephones ll Account Card Calling ACC This service enables a user to make a call from any card reading telephone Dual Tone MultiFrequency phone set and have the charges for the call automatically debited to an account
118. ule are as follows e Implements the processing of layer 3 and higher protocols required for service features including MTP3 M3UA TUP ISUP SCCP and TCAP e Provides application layer call control functions and achieves service logics e Provides central database functions Centralized resource data including inter office trunk resources context and termination dynamic table and MGW resource description table provides the query service of call resources for service processing V Background administration module The background administration module consists of the BAM the iGWB and workstations It is responsible for providing a number of maintenance and management interfaces such as man machine interface network management interface billing interface It mainly implements the functions of operation and maintenance and bill management 2 2 Software Architecture The software system of SoftX3000 is composed of host software and terminal Operation Administration and Maintenance OAM software as shown in Figure 2 4 2 4 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 2 System Architecture Host Background Terminal OAM software Host software Figure 2 4 Software architecture of SoftX3000 2 2 1 Host Software Host software runs on the main processor of SoftX3000 It is designed to implement signaling and protocol adaptation call processing service control and charging in
119. ultiple audio video coding formats such as G 711 G 723 H 261 and H 263 Depending on the bearer network the occupied bandwidth can be negotiated between the calling and called parties and then be adjusted dynamically The point to point multimedia communication services supported by SoftX3000 include 1 2 Instant messaging Allows real time communication by means of text between one terminal user and another who has already logged in Video communication With respective cameras installed a terminal user can directly originate a video call to the opposite party and the appropriate video quality can be determined depending on the network bandwidth File transfer Transfers files to another user or department where the received files can be saved under a particular directory or a specified directory Application share A terminal user shares an application then the opposite party can use this shared application remotely Electronic whiteboard Both parties can write and draw on the same picture for example for discussion purposes This is applicable to many occasions such as remote teaching and technical exchange Content release The contents of advertisements and media streams can be released through a multimedia terminal and a platform can be used to selectively locate the user or to immediately release Il Multimedia videoconferencing service SoftX3000 has gatekeeper functions and supports the multimedia videoconferencing
120. unctions subscriber Web self service as a special service featuring the advantages of NGN has advanced the applications of various services thus increasing the service profit of the Carrier Vil Presence This service enables a subscriber to modify or publicize the current communication status of the subscriber himself and even the feeling and the mood of the subscriber himself Besides this service enables other users to subscribe to the current status of the presence service subscriber Whenever the communication status of the presence service subscriber changes the presence service notifies the corresponding users of the change For example user A subscribes to the telephone status of user B by the presence service Once user B s telephone status moves from the conversation status to the available status for example the user hooks on the presence service notifies user A of the change by means of e mail Short Message Service SMS or IM And then user A can select the most appropriate communication way to contact user B The presence service can also be combined with other services and provide the subscriber s status information for those services For example the presence service is combined with the multimedia conferencing service The multimedia conferencing service can display the attendance status of the conference members by using the status information provided by the presence service Vill Personal Communication Assista
121. ware platform The OSTA platform has both the shared resource bus and the Ethernet bus and enables Softx3000 to be in good universality and high reliability This is applicable to the exchange and transfer of variable length data packets of the SoftSwitch equipment The OSTA platform is structured in a standard frame which is 19 inches wide and 9U high Front boards and back boards are installed as shown in Figure 2 1 Ethernet communication Interface boards boards Interface boards Power boards Back boards ___ Backplane Front boards vA Service boards System Service boards Alarm Power boards management board boards Figure 2 1 Overall structure of the OSTA frame In the OSTA frame front boards include service boards system management boards and alarm boards back boards are interface boards and Ethernet communication boards Power boards can be installed either at the front or at the back That front back installation mode separates the functions of the front boards from the back boards which simplifies the board design and orients the board functions towards unification Therefore the complexity of the hardware can be minimized and the reliability of the system can be improved In addition the board installation mode also widens the universality of the boards and enhances the flexibility of the system configuration 2 1 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 2 Syste
122. y apply for this service with or without reward Vil Wide Area Centrex WAC This service enables a Centrex group distributed over different exchanges to operate on the same virtual private network Calls between the WAC users under the same 5 8 Technical Manual System Description U SYS SoftX3000 SoftSwitch System Chapter 5 Services and Functions Centrex exchange are completed in the exchange itself Calls of independent users or across different Centrex exchanges are completed with the help of SSP and SCP Vill Number Portability NP This service enables a subscriber to retain the original number after the subscriber s geographical location serving carrier or enjoyed services are modified All incoming calls to the NP subscribers old number will receive a voice prompt indicating the original number has been changed before the calls are automatically transferred to the new number For outgoing calls the calling number is the same A user demanding for this service can apply for it and specify the service life During the specified service life the subscriber s original number will be preserved not allocated to others until the subscribed service expires IX IP800 This service enables all calls to the service subscriber on the IP network to be paid by the called party The 800 service subscriber who applies for the service specifies the real destination number corresponding to the 800 number The destination may be a

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