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Yealink T21PN 5lines LCD Wired handset Black IP phone

1. Note Basic Call Features Press tte Or the Send soft key With the optional headset connected press CD to activate the headset mode HEADSET Enter the desired number using the keypad Press To permanently enable your headset refer to Headset Prior on page 25 Or the Send soft key To place multiple calls You can have more than one call on your SIP T21P IP phone To place a new call during an active call do one of the following Press the line key The active call is placed on hold Enter the desired number using the keypad Press Press the Hold soft key to place the original call on hold tte Or the Send soft key Press the NewCall soft key Enter the desired number using the keypad Press You can press or to switch between the calls and then press the Resume soft or the Send soft key key to retrieve the desired call Answering Calls Note When you are not in another call you can answer a call in three ways e Using the handset e Using the speakerphone e Using the headset You can ignore incoming calls by pressing the Reject soft key or the Silence soft key You can also activate Do Not Disturb mode to ignore all incoming calls without ring on your phone For more information refer to Do Not Disturb DND on page 43 You can forward incoming calls to someone else by pressing the Fwd soft key For more information refer to Call F
2. Account ID the account this feature will be applied to Usage Press the DSS key to dial out the number specified in the Value field using the account selected from the Account ID field DTMF You can use this key feature to send the specification of arbitrary key sequences via DTMF Dependencies ype Key Event Key lype DTMF Valve DTMF sequence Usage Press the DSS key during an active call to send the key sequence specified in the Value field DTMF sequence is allowed to be 0 9 and A D Prefix You can use this key feature to dial a call with a specified prefix number Dependencies ype Key Event Key lype Prefix Value the prefix number Usage Press the DSS key when the phone is idle the phone will be ready to make a new call and show up the prefix number which you specified in the Value field enter other digits and then dial out 27 User Guide SIP T21P IP Phone Note Note Note 28 Conference You can use this key feature to set up a conference call For more information refer to Conference on page 47 Dependencies ype Key Event Key lype Conf Value the number you want to add to the conference Usage Press the DSS key during an active call to set up a conference with the number specified in the Value field When leaving the Value field blank the DSS key performs the same as the Conf soft key during a call Forward You can use this key feature to forward an i
3. Customizing Your Phone Customizing Your Phone You can customize your SIP T21P IP phone by configuring the setting for time and date language and ring tones for example You can add contacts to the phone s local directory manually or from call history You can handle incoming calls from different contacts in different ways This chapter provides basic operating instructions for customizing your phone The topics include General Settings Audio Settings Contact Management Call History Management System Customizations If you require additional information or assistance with your new phone contact your system administrator General Settings Backlight You can configure the backlight status on the LCD screen as the following types Always off Backlight is turned off completely Always on Backlight is on permanently On duration Backlight is turned off when the phone is inactive for approximately 15seconds 30seconds 60seconds or 120seconds To configure the backlight via web user interface 1 Click on Phone gt Preference 2 Select the desired time from the pull down list of Backlight Time 3 Click Confirm to accept the change Language The phone supports displaying multiple languages When logging in the web user interface the phone will detect and use the same language as which of your internet browser for the web user interface If the language is not supported by the phone the
4. Note You can use call park feature to place a call on hold and then retrieve the call from another phone in the system for example a phone in another office or conference room You can park an active call by pressing the call park key on the phone If the call is parked successfully the response is either a voice prompt confirming that the call was parked or a visible indication on the LCD screen When the call is parked successfully someone can retrieve the parked call on another phone Call Park feature is not available on all servers Contact your system administrator for more information To configure a call park key via phone user interface 1 Press Menu gt Features gt DSS Keys Select the desired DSS key Press or O or the Switch soft key to select Key Event from the Type field Press or gt or the Switch soft key to select Call Park from the Key Type field An 5 Press or gt or the Switch soft key to select the desired line from the Account ID field 6 Enter the call park feature code contact your system administrator for it in the Value field 7 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure a call park key via web user interface at the path Phone gt DSS Keys To use the Call Park feature 1 User on phone A places a call to phone B 2 User on phone A wants to take the call in a conference room for privacy then
5. presses the call park key on phone A 3 Optional The SIP server sends the first available call park extension which will appear on the LCD screen of phone A 4 The user on phone A walks to an available conference room where the phone is designated as phone C The user dials the call park retrieve code or the call park extension e g 150 to retrieve the parked call 49 User Guide SIP T21P IP Phone Note The system establishes call between phone C and B The call park feature code and call park extension are predefined on the system server Contact your system administrator for more information If the parked call is not retrieved within a period of time assigned by the system the phone performing call park feature will receive call back Call Pickup Note 50 You can press a pickup key to answer someone else s incoming call on the phone The SIP T21P IP phone supports the directed call pickup and group call pickup features Directed call pickup is used for picking up a call that is ringing at a specific phone number Group call pickup is used for picking up a call that is ringing at any phone number in the group The pickup group should be predefined contact your system administrator for more information If there are many incoming calls at the same time press the pickup key on the phone will pick up the call that rings first Directed Call Pickup To configure a pickup key via phone user interface 1
6. Enterprise IP Phone User Guide v61 0 Copyright Copyright 2011 YEALINK NETWORK TECHNOLOGY Copyright 2011 Yealink Network Technology CO LTD All rights reserved No parts of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical photocopying recording or otherwise for any purpose without the express written permission of Yealink Network Technology CO LTD Under the law reproducing includes translating into another language or format When this publication is made available on media Yealink Network Technology CO LTD gives its consent to downloading and printing copies of the content provided in this file only for private use and not for redistribution No parts of this publication may be subject to alteration modification or commercial use Yealink Network Technology CO LTD will not be liable for any damages arising from use of an illegally modified or altered publication Warranty THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS GUIDE ARE SUBJECT TO CHANGE WITHOUT NOTICE ALL STATEMENTS INFORMATION AND RECOMMENDATIONS IN THIS GUIDE ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF PRODUCTS YEALINK NETWORK TECHNOLOGY CO LTD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS GUIDE INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ME
7. STUN Status STUN Server Note The table above lists most of the feature options Please refer to the relevant sections for more information Overview Documentation The following table shows documentations available for the SIP T21P IP phone Quick Installation Basic set up ofthe In the PDF English Guide phone package Quick Reference Basic call features and Inthe a PDF English Guide phone customizations package Phone Web user interface settings Basic CD attached User Guide call features and in the PDF English advanced phone package features Note You can also download the latest documentations from website http www yealink com index php Support User Guide SIP T21P IP Phone Getting Started Getting Started This chapter provides basic installation instructions and information for obtaining the best performance with the SIP T21P IP phone The topics include e Packing List e Phone Installation e Phone Initialization e Phone Status e Basic Network Settings e Registration Idle Screen If you require additional information or assistance with your new phone contact your system administrator Packing List The following components are included in your SIP T21P IP phone package e SIP T21P IP phone A Cd i l p Yealink AN FN 4 D
8. The multicast IP addresses range from 224 0 0 0 to 239 255 255 255 The priorities of listening addresses are predefined 1 with the highest priority 10 with the lowest priority Both the multicast paging sender and the receiver will play a warning tone when pressing the multicast paging key Advanced Phone Features Music on Hold Music on hold MOH is the business practice of playing recorded music to fill the silence that would be heard by the callers who have been placed on hold To use this feature you should specify a SIP URI pointing to a Music on Hold Server account when placing a call on hold the phone will invite this SIP URI to the Music on Hold Server account The Music on Hold account automatically answers to the SIP INVITE messages and immediately plays audio from some source located anywhere LAN Internet to the held party Contact your system administrator for the SIP URI To configure music on hold server via web user interface 1 Click on Account 2 Select the desired account from the pull down list of Account 3 Click on Advanced 4 Enter the SIP URI in the Music on hold server field 5 Click Confirm to accept the change When you have placed a call on hold the held party can then hear the music Note All involved parties cannot use encrypted RTP SRIP Automatic Call Distribution ACD ACD feature is often used in offices for customer service such as call center The ACD system handles large vo
9. q E y le ES f y J a y f AD ik 2x Bue A N S J N AN PS MEME 4 Cox ld g gt j gt YY Y EY Gon Du Go J pr N Y es O y I TRAN 7 8 Que 3 ey i KT J Y I ro NS f f N Le 0 O Ju 0 NS YH N Ss A Y e Phone Stand User Guide SIP T21P IP Phone e Power Adapter e Handset amp Handset Cord a sh FAR KO LI AM S S MN SEN Q S O SS A A E7 Dp MN Si an e Ethernet Cable e Quick Installation Guide amp Quick Reference Guide e CD ROM Check the list before installation If you find anything missing contact your system administrator Getting Started Phone Installation If your phone is already installed proceed to Phone Initialization on page 7 This section introduces how to install the phone with the components in the packing list Attach the Stand e Connect the Handset and optional Headset A LA Desk mounted Method e Connect the Network and Power 1 Attach the Stand a Desk mounted Method b Wall mounted Method TN Fr LA Wall mounted Method 2 Connect the Handset and optional Headset Note A headset is not provided in the packing list Contact your system administrator for more information User Guide SIP T21P IP Phone 3 Connect the Network and Power You have two options for power an
10. Always field _ Always Porard 1 Always 2 Enter the destination number you want to forward all incoming calls to in the Forward to field 3 Optional Enter the always forward on code or always off code respectively in the On Code or Off Code field b If you selected Busy Forward 1 Press or C Or the Switch soft key to select Enable from the Busy field busy Forward 1 Busy 2 Enter the destination number you want to forward all incoming calls to when the phone is busy in the Forward to field 3 Optional Enter the busy forward on code or busy off code respectively in the On Code or Off Code field c If you selected No Answer Forward 1 Press or gt or the Switch soft key to select Enable from the No Answer field Ho Answer Forward 1 Ho Answer Switch 2 Enter the destination number you want to forward all unanswered incoming calls to in the Forward to field 3 Press or O or the Switch soft key to select the ring time to wait before forwarding in the After Ring Time field The default ring time is 60 seconds 44 Note Basic Call Features 4 Optional Enter the no answer forward on code or off code respectively in the On Code or Off Code field 4 Press the Save soft key to accept the change or the Back soft key to cancel The E icon on the LCD screen indicates call forward is enabled You can also conf
11. Press Menu gt Features gt DSS Keys 2 Select the desired DSS key 3 Press or gt or the Switch soft key to select Key Event from the Type field 4 Press or gt or the Switch soft key to select Pick Up from the Key Type field Switch 5 Press or C Or the Switch soft key to select the desired line from the Account ID field 6 Enter the pickup code followed by the specific phone number you want to pick up in the Value field 7 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure a direct pickup key via web user interface at the path Phone gt DSS Keys Basic Call Features To pick up a call directly 1 Press the pickup key on your phone when the specific phone number receives an Incoming call The call is answered on your phone Group Call Pickup To configure a group pickup key via phone user interface 1 Press Menu gt Features gt DSS Keys 2 Select the desired DSS key 3 Press or C Or the Switch soft key to select Key Event from the Type field 4 Press or C Or the Switch soft key to select Group Pick Up from the Key Type field 2 Key Type Group Pick Up 5 Press or gt or the Switch soft key to select the desired line from the Account ID field 6 Enter the group pickup feature code in the Value field 7 Press the Save soft key to accept the change or the Back soft key to cancel You can also confi
12. on page 16 Why can t receive calls e Check the SIP registration with your system administrator e Check DND Do Not Disturb mode is turned off on your phone Refer to Do Not Disturb DND on page 43 e Check call forward feature is disabled on the phone Refer to Call Forward on page 43 e Check whether the caller number is stored in the blacklist directory Refer to Blacklist on page 22 Why is my handset not working Check to ensure that the handset cord is fully connected to both the handset jack on the phone and handset Refer to Phone Installation on page 5 Why is my headset not working e Check to ensure that the headset cord is fully connected to the headset jack on the phone Refer to Phone Installation on page 5 o Check to ensure that the headset mode is activated Refer to Headset Activation Deactivation on page 25 e Check to ensure that the headset volume is adjusted to an appropriate level Refer to Volume on page 16 How to change the user password You can change the user password via web user interface 1 Click on Security gt Password 2 Enter the current user password in the Current Password field 3 Enter the new user password in the New Password field and Confirm Password field 4 Click Confirm to accept the change You can also contact your system administrator for help How to reboot the phone To reboot the IP phone via web user interface 1 Click on Upgrade gt Basic
13. the system boots up and performs the following steps Automatic Phone Initialization The phone finishes the initialization process by loading the saved configuration The phone LCD screen will display Initializing Please wait during the initialization DHCP Dynamic Host Configuration Protocol By default the phone attempts to contact a DHCP server in your network in order to obtain its valid network settings e g IP address subnet mask gateway DNS server If your network does not use DHCP proceed to Basic Network Settings on page 8 User Guide SIP T21P IP Phone Phone Status You can view the system status of your phone via phone user interface or web user interface Available information of phone status includes e Network status including WAN port and LAN port information e Phone status including device model firmware version and MAC address e Account status indicating the register status of sip accounts To view the phone status via phone user interface 1 Press or press Menu gt Status 2 Press or to scroll through the list and view the specific information 1 IP 192 166 0 10 2 MAG 00 16 66 30 39 00 Firmware 7 61 0 30 To view the phone status via web user interface 1 Open the web browser of your computer Enter the IP address in the browser s address bar and then click Enter Enter the User Name admin and Password admin in the pop up dialogue box Click OK to lo
14. 11 User Guide SIP T21P IP Phone Note web user interface will use English by default You can change the language for the phone user interface and the web user interface respectively Not all languages are available for selection The available languages depend on the language packs currently loaded to the IP phone Please contact your system administrator for more information about the available languages of your new phone To change the language for the phone user interface 1 Press Menu gt Settings gt Basic Settings gt Language 2 Press or to select the desired language 3 Press the Save soft key to accept the change Text appears on the LCD screen will change to the selected language To change the language for the web user interface 1 Click on Phone gt Preference 2 Select the desired language from the pull down list of WEB Language 3 Click Confirm to accept the change Text displays on the web user interface will change to the selected language Time and Date The time and date appear on the LCD screen of the SIP T21P IP phone If the phone cannot obtain the time and date from the Simple Network Time Protocol SNTP server contact your system administrator for more information You can configure the phone to obtain the time and date from SNTP server automatically or configure the time and date manually To configure the SNTP settings via phone user interface 1 Press Menu gt Settings gt Basic S
15. Press or O to switch between All Calls Dialed Calls Received Calls Missed Calls and Forwarded Calls Press or to select the desired entry Press the Option soft key and then select Detail from the prompt list The detailed information of the entry appears on the LCD screen To dial a call from the call history list 1 2 4 Press the History soft key Press or gt to switch between All Calls Dialed Calls Received Calls Missed Calls and Forwarded Calls Press or to select the desired entry Press the Send soft key To add a contact from the call history list 1 Press the History soft key 23 User Guide SIP T21P IP Phone 2 Press or gt to switch between All Calls Dialed Calls Received Calls Missed Calls and Forwarded Calls 3 Press or to select the desired entry 4 Press the Option soft key and then select Add to Contacts or Add to Blacklist from the prompt list For more information refer to Contact Management on page 18 To delete an entry from the call history list 1 Press the History soft key 2 Press or C to switch between All Calls Dialed Calls Received Calls Missed Calls and Forwarded Calls 3 Press or to select the desired entry 4 Press the Delete soft key To delete all entries from the call history list 1 Press the History soft key 2 Press or gt to switch between All Calls Dialed Calls Rec
16. States Alaska Aleutian 09 00 United States Alaska Time 08 00 Canada Vancouver Whitehorse 08 00 Mexico Tijuana Mexicali 08 00 United States Pacific Time 07 00 Canada Edmonton Calgary 07 00 Mexico Mazatlan Chihuahua 07 00 07 00 06 00 Canada Manitoba Winnipeg 06 00 06 00 Mexico Mexico City Acapulco 06 00 05 00 Bahamas Nassau 05 00 Canada Montreal Ottawa Quebec 05 00 05 00 04 30 Venezuela Caracas 04 00 Canada Halifax Saint John 04 00 Chile Santiago 04 00 Paraguay Asuncion 04 00 United Kingdom Bermuda Bermuda 04 00 United Kingdom Falkland Islands 04 00 03 30 Canada New Foundland St Johns 03 00 Denmark Greenland Nuuk 03 00 Argentina Buenos Aires 03 00 Brazil no DST 03 00 Brazil DST 02 00 Brazil no DST 01 00 Portugal Azores GMT Greenland Denmark Faroe Islands Torshaven Ireland Dublin Portugal Lisboa Porto Funchal Spain Canary Islands Las Palmas United Kingdom London 01 00 Albania Tirana 01 00 01 00 Belgium Brussels 01 00 01 00 01 00 Croatia Zagreb 01 00 Czech Republic Prague 01 00 Denmark Copenhaven 01 00 France Paris 01 00 Germany Berlin 79 User Guide SIP T21P IP Phone ibia a i Romania Bucharest East Africa Time Iraq Baghdad 80 Index A About This Guide v Account Registration 30 Account Management 30 Adding Contac
17. The built in phone directory stores the names and phone numbers of the blacklist You can store up to 30 contacts in your phone s blacklist directory You can add edit delete or search for a contact in the blacklist directory You can also dial a contact in the blacklist directory but an incoming call from the blacklist directory will be rejected automatically Operating instructions of adding blacklists editing blacklists deleting blacklists placing call to blacklists and searching for contact in the blacklist refer to the operating instructions of Local Directory on page 18 Remote Phonebook 22 You can access your corporate directory through your phone You can add contacts from the corporate directory to your local directory You can also dial a contact from the corporate directory You can configure your new phone to access up to 5 corporate directories Contact your system administrator for the access URL of the corporate directory To configure an access URL for remote phonebook via web user interface 1 Click on Contacts gt Remote PhoneBook 2 Enter the access URL in the Phone Book Url field 3 Enter the name in the Phone Book Name field 4 Click Confirm to accept the change To access your corporate directory via phone user interface 1 Press Dir gt Remote Phonebook Remote Group 1 Financial Dep 2 Product Dep 3 Market Dep EURE 2 Press or to select the desired remote group and t
18. cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 2 3 4 Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experience radio TV technician for help WEEE Warning To avoid the potential effects on the environment and human health as a result of the presence of hazardous substances in electrical and electronic equipment end users of electrical and electronic equipment should understand the meaning of the crossed out wheeled bin symbol Do not dispose of WEEE as unsorted municipal waste and have to nn collect such WEEE separately About This Guide About This Guide Thank you for choosing the SIP T21P IP phone an exquisitely designed SIP IP phone This unit provides business telephony features such as Call Hold Call Transfer Busy Lamp Field Shared Line Hot Desking Multicast Paging and Conference over an IP network This guide provides everything you need to quickly use your new phone Be sure to verify with your system administrator that your network is prepared for configuring your IP phone As well be sure to read the Packing List and Regulatory Notices sections in
19. ensure you use a PoE compliant switch or hub or contact your system administrator for more information e Check that the power LED is on to ensure the phone is powered on Why does the phone display Network Unavailable e Ensure that the Ethernet cable is plugged into the Internet port o the phone and the Ethernet cable is not loose e Ensure that the switch or hub in your network is operational e Contact your system administrator for more information Why does the phone display No Service The phone LCD screen prompts No Service message when the SIP accounts do not register successfully Contact your system administrator for more information on account settings Why can t get a dial tone Check for any loose connections and that the phone has been installed properly For the installation instructions refer to Phone Installation on page 5 Check whether dial tone is present on one of the audio modes e Switch between the Handset Headset if present or Hands Free Speakerphone to check whether dial tone is present for one of the audio modes a If the dial tone exists on another audio mode connect a different handset or headset to isolate the problem 73 User Guide SIP T21P IP Phone 74 Why doesn t the phone ring Check the ringer volume on your phone To adjust the ringer volume setting press the Volume key when the phone is on hook and idle For more information refer to Volume
20. equipment near water for example near a bathtub washbowl kitchen sink wet basement or near a swimming pool Do not tread on pull or over bend any cable in case of malfunction of the device During a thunderstorm stop using the device and disconnect it from the power supply Unplug the power plug and the Asymmetric Digital Subscriber Line ADSL twisted pair the radio frequency cable to avoid lightning strike If the device is left unused for a rather long time disconnect it from the power supply and unplug the power plug When there is smoke emitted from the device or some abnormal noise or smell disconnect the device from the power supply and unplug the power plug immediately Contact the specified maintenance center for repair Do not insert any object into equipment slots that is not part of the product or auxiliary product Before connecting a cable connect the grounding cable of the device first Do not disconnect the grounding cable until you disconnect all other cables N Cleaning Requirements Before cleaning the device stop using it and disconnect it from the power supply Use a piece of soft dry and anti static cloth to clean the device Keep the power plug clean and dry Using a dirty or wet power plug may lead to electric shock or other perils Appendix A Time Zones Appendix A Time Zones Time Zone Time Zone Name 11 00 10 00 Samoa United States Hawaii Aleutian 10 00 United
21. keys Line Keys 26 You can assign predefined functionalities to the line keys to use quick access features such as Call Return and Voice Mail The line keys LED will indicate the monitoring status when the keys are assigned specific features such as BLF and Shared Line The default key type of each line key is Line To configure the line key via phone user interface 1 Press Menu gt Features gt DSS Keys select the desired line key and then press the Enter soft key select the desired key type from the Type field Optional Select the desired key event from the Key Type field Optional Select the desired line from the Account ID field Optional Enter the corresponding value in the Value field Optional Enter the corresponding value in the Extension field et Ss ee SP Press the Save soft key to accept the change or the Back soft key to cancel You can also configure the line key via web user interface at the path Phone gt DSS Keys gt Line Keys The line key features are explained in the following subchapters in detail e Speed Dial e DTMF e Prefix Conference Note Customizing Your Phone Forward o Transfer e Hold e DND e Redial e SMS e Group Listening For more information contact your system administrator Speed Dial You can use this key feature to speed up dialing numbers often used or hard to remember Dependencies ype Speed Dial Value the number you want to cial out
22. laws and statutes while using the device Legal rights of others should be respected as well A Environmental Requirements o Place the device at a well ventilated place Do not expose the device under direct sunlight e Keep the device dry and free of dusts o Place the device on a stable and level platform 77 User Guide SIP T21P IP Phone 78 Please place no heavy objects on the device in case of damage and deformation caused by the heavy load Keep at least 10 cm between the device and the closest object for heat dissipation Do not place the device on or near any inflammable or fire vulnerable object such as rubber made materials Keep the device away from any heat source or bare fire such as a candle or an electric heater Keep the device away from any household appliance with strong magnetic field or electromagnetic field such as a microwave oven or a refrigerator A Operating Requirements Do not let a child operate the device without guidance Do not let a child play with the device or any accessory in case of accidental swallowing Please use the accessories provided or authorized by the manufacturer only The power supply of the device shall meet the requirements of the input voltage of the device Please use the provided surge protection power socket only Before plugging or unplugging any cable make sure that your hands are completely dry Do not spill liquid of any kind on the product or use the
23. on private hold 1 Press the private hold key when there is an active call on the shared line The private held call can be only retrieved by the hold party If the call is placed on private hold and you attempt to pick up the call by pressing the shared line key the retrieve will fail and the LCD screen will prompt Forbidden To barge in a shared line call 1 Press the shared line key on any other phone when there is an active call on the shared line For more shared line key LED indications refer to LED Instructions on page 5 Advanced Phone Features Call Recording Note You can record calls by pressing a record key on the SIP T21P IP phone There are 2 different ways of configuring call recording and they even work differently e Record The phone sends SIP INFO message containing a specific header to trigger a recording e URL Record The phone sends HTTP URL request to trigger a recording Contact your system administrator for the predefined URL The record feature is not available on all servers Contact your system administrator for more information To configure a Record key via phone user interface 1 Press Menu gt Features gt DSS Keys Select the desired DSS key Press or C Or the Switch soft key to select Key Event from the Type field n p Press or C Or the Switch soft key to select Record from the Key Type field Key Type Record 4k Switch 5 Press the
24. phone B The LCD screen of phone B prompts an incoming call from anonymity cic EN o gt ANONYMOUS anonymous Answer Fwd Silence Reject Anonymous Call Rejection 52 You can use anonymous call rejection feature to reject incoming calls from anonymous callers Anonymous call rejection automatically rejects incoming calls from callers who deliberately block their identities and numbers from showing up To configure anonymous call rejection via phone user interface 1 Press Menu gt Features gt Anonymous Call 2 Press or or the Switch soft key to select the desired line from the Line ID field 3 Press or to scroll to the Rejection field 4 Press or C Or the Switch soft key to select Enable from the Rejection field Basic Call Features 5 Optional Enter the anonymous call rejection on code in the Reject On Code field 6 Optional Enter the anonymous call rejection off code in the Reject Off Code field 7 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure anonymous call rejection via web user interface at the path Account gt Basic 53 User Guide SIP T21P IP Phone 54 Advanced Phone Features Advanced Phone Features This chapter provides operating instructions for the advanced features of the SIP T21P IP phone The topics include e Busy Lamp Field BLF e BLF List e Shared Line e Call Recording e Hot Desk
25. require additional information or assistance with your new phone contact your system administrator Hardware Component Instructions The main hardware components of the SIP T21P IP phone are the LCD screen and the keypad User Guide SIP T21P IP Phone Hardware component instructions of the SIP T21P IP phone are tem HE eo Shows information about calls messages soft keys time date and other relevant data e Call information caller ID call duration 1 LCD Screen e Icons for example e Missed call text or second incoming caller information e Prompt text for example Saving files Please wait e Time and date a 8 Speakerphone Key Toggles the hands free speakerphone mode Adjusts the volume of the handset headset speaker Volume Key and ringer Provides the digits letters and special characters in Keypad RR s context sensitive applications C scroll through the displayed information Confirms actions or answers an incoming call Cancels actions or rejects an incoming call Labels automatically to identity their context sensitive 12 Soft Keys features Q O D Q Overview Icon Instructions Icons appear on the phone LCD screen are described in the following table Icon Description BR DR pee o em Call Mute dx Ringer volume is 0 m OO Sp a Y y 7 User Guide SIP T21P IP Phone Icon Descriptio
26. soft key the LCD screen prompts for the password 2 Enter the password admin 3 Press the Confirm soft key to deactivate the keypad lock The a icon disappears from the LCD screen If you want to deactivate the keypad lock type of Lock amp Answer you should press Menu gt Settings gt Advanced Settings password admin gt Keypad Lock then select Disable from the Keypad Lock field 15 User Guide SIP T21P IP Phone You can also activate or deactivate the keypad lock via web user interface at the path Phone gt Preference Note The default password for unlock is admin Audio Settings Volume You can press the Volume key to adjust the receiver volume of currently used audio devices handset soeakerphone or headset when the phone is in the dialing interface or during a call You can also press the Volume key to adjust the ringer volume when the phone is idle To adjust the volume via phone user interface 1 Press Menu gt Settings gt Basic Settings gt Phone Volume 2 Select the Handset Volume Speaker Volume Headset Volume or Ringer Volume and then press the Enter soft key 3 Press l or gt to adjust the volume Handset Volume INT Pe 4 Press the OK soft key to accept the change or the Back soft key to cancel Note If ringer volume is adjusted to minimum the x icon will appear on the LCD screen Ring Tones Ring tones are used to indicate incoming calls You can s
27. this guide before you set up and use the SIP T21P IP phone If this is your first time using the SIP T21P IP phone we recommend that you first refer to the Quick Installation Guide and Quick Reference Guide Documents are available for download at http www yealink com index php Support In This Guide The topics provided in this guide include e Chapter 1 Overview e Chapter 2 Getting Started e Chapter 3 Customizing Your Phone e Chapter 4 Basic Call Features e Chapter5 Advanced Phone Features User Guide SIP T21P IP Phone vi Table of Contents Table of Contents About This Guide ccccscsccscsceccscscecccceccccscscccescecececceces V Il n V Table of CONtent cccccscsccscscsccscscsccscecsccscecsccscecsccscecees vii OVERVIEW ccccscscsccscsccccscsccccscsccccscecsscscecescscessscscecescssessscssesees 1 Hardware Component Instructions sise 1 OS COS D a ee ias 3 BE WANS TUCIONS ma deco ee a on doc 5 User Interfaces ccc cecescsccsccsccsceccsccscescsccscescescscescescescscescessssescescescssescesceseecescescssescescesces 6 Phone User Interface ccc cc ceccscesceccsccsccsccscsccscescescscescscesescescescscescescesescescescesescescesces 6 Web User Interface ce cccsccecescescsccscescsscscescscsscscescescssescescescecescescssessescescesescescesces 6 Documentation cccccescsccscscesceccscoscescecescoscescscescescescscescescesescescescesescescesc
28. this field is blank 3 Click Confirm to accept the change Live Dialpad 54 You can enable the live dialpad feature on the SIP T21P IP phone which enables the IP phone to automatically dial out the phone number without pressing any other key You can also configure a period of time before automatically dialing out the phone number To enable the live dialpad via web user interface 1 Click on Phone gt Preference 2 Select Enable from the pull down list of Live Dialpad 3 Enter the desired delay time 1 14s in the Inter Digit Time field Customizing Your Phone 4 Click Confirm to accept the change Note The default delay time of live dialpad is 4s You can configure live dialpad via web user interface only Hot Line You can dial a hotline number immediately once you lift the handset press the speakerphone key or a line key You can also configure to dial out the hotline number in a period of time the phone will dial out the hotline number automatically after the specified delay time To configure the hot line number via phone user interface 1 Press Menu gt Features gt Hot Line 2 Enter the desired number in the Number field 1 Number 3 Enter the delay time seconds in the HotLine Delay field 4 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure hot line via web user interface at the path Phone gt Features 35 User Guide SIP T21P IP Phon
29. D screen A recording cannot be started amp appears for 1 second A recording cannot be stopped appears for 1 second then goes back The recording box is full Q appears for 1 second The call cannot be recorded x appears for 1 second You can listen to the recordings stored on your server system For example you can dial an access code to listen to the recordings The way listening to the recordings may be different on different servers Contact your system administrator for more information Hot Desking Note 60 Hot Desking originates from the definition of being the temporary physical occupant of a work station or surface by a particular employee A primary motivation for Hot Desking is cost reduction This feature is regularly used in places where not all the employees are in the office at the same time or not in the office for very long at alll which means actual personal offices would be often vacant consuming valuable space and resources You can use Hot Desking on the SIP T21P IP phone to log out the existing accounts and then log in a new account that is many users can share the phone resource in different time To use this feature you need to configure a Hot Desking key in advance The hot desking feature is not available on all servers Contact your system administrator for more information Advanced Phone Features To configure a hot desking key via phone user interface 1 Press Menu gt Features gt
30. DSS Keys Select the desired DSS key Press or gt or the Switch soft key to select Key Event from the Type field gt ow Press or C Or the Switch soft key to select Hot Desking from the Key Type field 2 Key Type Hat Desking 5 Leave the Value field blank 6 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure a hot desking key via web user interface at the path Phone gt DSS Keys To use hot desking 1 Press the hot desking key when the phone is idle The phone prompts the following warning Clear all account config 2 Press the OK soft key all currently configured accounts will be unregistered immediately and their configuration data will be removed from the phone The login wizard will be shown as below 5et Hot Cesking 3 Enter the Login information in each filed After successfully login you can place calls receive messages answer calls etc 4 Press the hot desking key again to log out 61 User Guide SIP T21P IP Phone Intercom Note Intercom is a useful feature in an office environment to quickly connect with the operator or the secretary You can press the configured intercom key to automatically connect with a remote extension for outgoing intercom calls and the remote extension will automatically answer the incoming intercom calls The intercom feature is not available on all servers Contact yo
31. Directory gt Contacts 2 Press or to highlight the desired contact User Guide SIP T21P IP Phone 3 Press the Option soft key and then select Detail from the prompt list 4 Press or to switch between different items and then edit 5 Press the Save soft key to accept change or the Back soft key to cancel Deleting Contacts To delete a contact from the local directory 1 Press Dir gt Local Directory gt Contacts 2 Press or to highlight the desired contact 3 Press the Option soft key and then select Delete from the prompt list The LCD screen prompts the following warning 4 ontact 1 17 Delete Selected Item 4 Press the OK soft key to confirm the deleting or the Cancel soft key to cancel Placing Calls to Contacts To place a call to a contact from the local directory 1 Press Dir gt Local Directory 2 Press or to select the desired contact group 3 Press or to highlight the desired contact 4 Press the Dial soft key Searching for Contacts To search for a contact in the local directory 1 Press Dir gt Local Directory 2 Press the Search soft key 20 2 4 Customizing Your Phone Enter a few continuous characters of the contact name or continuous numbers of the contact phone number using the keypad Search Contact Cancel ETS Delete Press the OK soft key The contacts whose name or phone number matches th
32. Note Note Troubleshooting 2 Click Reboot to reboot the IP phone Any reboot of your phone may take a few minutes How to reset your phone Reset your phone when other Troubleshooting suggestions do not correct the problem You need to note that all customized settings will be overwritten after resetting We recommend asking your system administrator for advice before resetting your phone To reset your phone via phone user interface 1 Press Menu gt Settings gt Advanced Settings password admin 2 Press or to scroll to Reset to factory and then press the Enter soft key The LCD screen prompts the following message Advanced Settings Reset to factory settings 3 Press the OK soft key Reset of your phone may take a few minutes How to Export PCAP Trace We may need you to provide a PCAP Trace to help analyze your problem To export a PCAP Trace via web user interface 1 Click on Upgrade gt Advanced Click Start to begin recording signal traffic 2 3 Recreate the error to be documented in the trace 4 Click Stop to end recording 5 Click Export to open file download window and then save the file to your local system How to Export System Log We may need you to provide a System Log to help analyze your problem To export a System Log via web user interface 1 Click on Upgrade gt Advanced 19 User Guide SIP T21P IP Phone Note 76 2 Select Local from the pull dow
33. ONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF YEALINK OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH AMAGES AND LIMITS ITS LIABILITY TO REPAIR REPLACEMENT OR REFUND OF THE PURCHASE RICE PAID AT YEALINK S OPTION THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE Safety Instructions Save these instructions Read these safety instructions before use The following basic safety precautions should always be followed to reduce risk of fire electrical shock and other personal injury A General Requirements o Before you install and use the device read the safety instructions carefully and observe the situation during operation o During the process of storage transportation and operation please always keep the device dry and clean o During the process of storage transportation and operation please avoid collision and crash of the device e Please attempt not to dismantle the device by yourself In case of any discrepancy please contact the appointed maintenance center for repair e Without prior written consent no organization or individual is permitted to make any change to the structure or the safety design of the device Yealink is under no circumstance liable to consequences or legal issues caused by such changes e Please refer to the relevant
34. RCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Yealink Network Technology CO LTD shall not be liable for errors contained herein nor for incidental or consequential damages in connection with the furnishing performance or use of this guide Declaration of Conformity C E FC Hereby Yealink Network Technology CO LTD declares that this phone is in conformity with the essential requirements and other relevant provisions of the CE FCC CE Mark Warning This device is marked with the CE mark in compliance with EC Directives 2006 95 EC and 2004 108 EC Part 15 FCC Rules This device is compliant with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Class B Digital Device or Peripheral Note This device is tested and complies with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does
35. Save soft key to accept the change or the Back soft key to cancel To configure a URL Record key via phone user interface 1 Press Menu gt Features gt DSS Keys Select the desired DSS key Press or gt or the Switch soft key to select URL Record from the Type field 2 3 4 Enterthe URL e g http 10 1 2 224 phonerecording cgi in the Value filed 5 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure the Record or URL Record keys via web user interface at the path Phone gt DSS Keys The Record URL Record keys control the recording and are available e During an active call e When calls are on hold or mute e During a blind or attended transfer 59 User Guide SIP T21P IP Phone Note e During a conference call e When the phone prompts you to answer an incoming call The Record URL Record keys are not available e When there are no connected calls on your phone e When you place a new call To record a call 1 Press a Record or a URL Record key during a call If the recording starts successfully the recording icon appears on the LCD screen The Record or URL Record key LED flashes green 2 Press the Record or URL Record key again to stop recording The recording icon disappears from the LCD screen Record or URL Record key LED turns off Recording status indications you need to know Icons on the LCD screen A recording Is started appears on the LC
36. Using the user interface in an internet browser window from your PC The hardware components keypad and LCD screen constitute the phone user interface which allows the user to execute all call operation tasks and basic configuration changes directly on the phone In addition you can use the web user interface to access all configuration settings In many instances it is possible to use both the phone user interface and the web user interface to operate the phone and change settings However in some instances it is only possible to use the phone or the web user interface Phone User Interface You can customize your phone by pressing the Menu soft key to access the phone user interface The Advanced Settings options are administrator level features only the default password is admin case sensitive For more information on customizing your phone using the available options from the phone user interface refer to Customizing Your Phone on page 11 Web User Interface Note In addition to the phone user interface you can also customize your phone via web user interface In order to access the web user interface you need to know the IP address of your new phone To obtain the IP address press the OK key on the phone Enter the IP address e g http 192 168 0 10 or 192 168 0 10 in the address bar of web browser on your PC The default user name is admin case sensitive and the password is admin case sensitive Please locate
37. am from pre configured multicast listening address es without involving SIP signaling You can specify up to 10 multicast listening addresses Sending RTP Stream To configure a multicast paging key via phone user interface 1 Press Menu gt Features gt DSS Keys 2 Select the desired DSS key 3 Press or gt or the Switch soft key to select Key Event from the Type field 4 Press or gt or the Switch soft key to select Multicast Paging from the Key Type field Key Type Multicast Pagine Switch 5 Enter the multicast IP address and port e g 224 5 6 20 10008 in the Value field 64 Note Note Advanced Phone Features 6 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure a multicast paging key via web user interface at the path Phone gt DSS Keys You can also configure the phone to use a default codec for sending Multicast RTP stream via web interface To configure a default codec for multicast paging via web user interface 1 Click on Phone gt Features 2 Select the desired codec from the pull down list of MulticastCodec 3 Click Confirm to accept the change If G722 codec is used for multicast paging the LCD screen prompts HD to indicate that the phone is providing high definition voice To send RTP stream 1 Press the multicast paging key when the phone is idle The phone sends RTP to a preconfigured multicast addr
38. automatically If Disabled is selected from the pull down list of Paging Barge the voice call in progress shall take precedence over all incoming multicast paging calls The valid values in the Paging Barge field are o 1 to 10 Define the priority of an active call 1 is the highest priority 10 is the lowest priority e Disabled The voice call in progress shall take precedence over all incoming paging calls Paging Priority Active You can enable or disable this feature to decide how the phone handles the incoming multicast paging calls when there is already a multicast paging call on the phone If enabled the phone will ignore the incoming multicast paging call with a lower priority otherwise the phone will play the incoming multicast RTP and place the previous multicast paging call on hold If disabled the phone will automatically ignore all incoming multicast paging calls To configure multicast listening addresses via web user interface 1 Click on Contacts gt MulticastlP 2 Select the desired value from the pull down list of Paging Barge 3 Select the desired value from the pull down list of Paging Priority Active 4 Enter the multicast IP address es and port number e g 224 5 6 20 10008 which the phone listens for incoming RTP multicast in the Listening Address field 5 Enter the label in the Label field Label will appear on the LCD screen when receiving the RTP multicast 6 Click Confirm to accept the change
39. call is on mute Fai Talking To un mute a call 1 Press x again to un mute the call Call Hold Resume Note 42 You can place an active call on hold At any time at most one active call can be in progress on your phone other calls can be received and made while placing the original call on hold When placing a call on hold your IP PBX might play a melody or message to the other party while waiting To place a call on hold 1 Press the Hold soft key during a call The phone LCD screen shows the call is on hold and the line key LED flashes green gt Talking The phone will beep softly every 30 seconds to remind you that you still have a call on hold To resume a held call 1 Press the Resume soft key Multiple Calls on Hold If multiple calls are placed on hold press or to switch between the calls and then press the Resume soft key to retrieve the desired calll If more than two calls are on hold an indication appears on the LCD screen for example 2 3 indicating that this is the second call out of three calls If multiple calls are on hold on more than one line keys you can view the details of the calls by pressing the corresponding line key and then press the Resume soft key to Basic Call Features retrieve the call Do Not Disturb DND You can enable or disable the Do Not Disturb DND mode on the phone If DND mode is enabled the phone will reject all incoming calls a
40. d network connections Your system administrator will advise you which one to use e AC power e Power over Ethernet PoE AC Power To connect the AC power 1 Connect the DC plug on the power adapter to the DC5V port on the phone and connect the other end of the power adapter into an electrical power outlet 2 Connect the supplied Ethernet cable between the Internet port on the phone and the Internet port in your network or switch hub device port Power 9 _ Adapter memet PC Connection DC 5V Optional D 5 E SS DCSV Internet PC l 6 8 Power over Ethernet Using a regular Ethernet cable the SIP T21P IP phone can be powered from a PoE IEEE 802 3af compliant switch or hub Note Getting Started To connect the PoE 1 Connect the Ethernet cable between the Internet port on the phone and an available port on the in line power switch hub IEEE 802 3af compliant PoE Hub Switch PC Connection Optional DC5V Internet PC e If in line power is provided you don t need to connect the AC adapter Make sure the Ethernet cable and switch hub is PoE compliant The phone can also share the network with other network device such as a PC personal computer It is an optional connection Important Do not unplug or remove power to the phone while it is updating firmware and configurations Phone Initialization Note After your phone has been powered up
41. e 91 5 7 1234 would match 9151234 9161234 9171234 etc Followed by the sequence number of a pattern Example A replace rule configuration Prefix 9 5 7 Replace 5 2 When you enter 95123 to dial out on your phone the number will be replaced as 5123 and then dialed out Note You can configure the dial plan rules via web user interface only 31 User Guide SIP T21P IP Phone Replace Rule You can configure one or more replace rules to remove the specified string and replace it with another string You can configure a pattern with wildcards expression syntax refer to the table above so that any string that matches the pattern will be replaced This feature is designed for convenience when you try to dial out a number For example a replace rule is configured as Prefix 1 and Replace 1234567 then when you try to dial out the number 1234567 you just need to enter 1 on the phone and then press the Send soft key To add a replace rule via web user interface 1 Click on Phone gt Dial Plan gt Replace Rule 2 Enter the string e g 2xx in the Prefix field 3 Enter the string e g 12345 in the Replace field 4 Enter the desired line ID in the Account field or leave it blank 5 Click Add to add the replace rule When you enter the number 234 using the keypad and then dial out the phone will dial out 12345 instead Note The val
42. e 36 Basic Call Features Basic Call Features The SIP T21P IP phone is designed to be easily used like a regular phone on a public switched telephone network PSTN You can place calls answer calls transfer a call to someone else or conduct a conference call This chapter provides basic operating instructions for the SIP T21P IP phone The topics include e Placing Calls e Answering Calls e Ending Calls e Redialing Numbers e Call Return e Call Mute e Call Hold Resume e Do Not Disturb DND e Call Forward e Call Transfer e Conference e Call Park e Call Pickup e Anonymous Call e Anonymous Call Rejection If you require additional information or assistance with your new phone contact your system administrator Placing Calls You can place a call in three ways using your SIP T21P IP phone e Using the handset e Using the speakerphone e Using the headset You can also dial the number first and then choose the way you want to speak to the other party You can search the call history the local contact directory or the remote phonebook and 37 User Guide SIP T21P IP Phone Note 38 dial from the search results For more information refer to Contact Management on page 18 and Call History Management on page 23 During a call you can alternate between Speakerphone Headset or Handset modes by pressing the speakerphone key the HEADSET key or picking up the handset The call du
43. e Menu soft key is locked You cannot access the menu of the phone until unlocked Customizing Your Phone Function Keys The function keys are locked You cannot use the MESSAGE TRAN RD OK navigation keys Volume key line keys and the soft keys until unlocked All Keys All keys are locked You are only allowed to dial emergency numbers and answer incoming calls by lifting the handset pressing the Speakerphone key or the HEADSET key Lock amp Answer All keys are locked except the Menu soft key and the HEADSET key Incoming calls will be answered automatically but cannot be ended by your party The previous conversation is placed on hold Note The emergency number setting if desired must be made before lock activation For more information refer to Emergency Number on page 34 To activate the keypad lock via phone user interface 1 Press Menu gt Settings gt Advanced Settings password admin gt Keypad Lock erpad Lock 1 Keypad Lock Switch 2 Press or gt or the Switch soft key to select the desired type from the Keypad Lock field 3 Press the Save soft key to activate the keypad lock The i icon appears on the LCD screen If the keypad lock feature is activated to be Lock amp Answer an additional icon will appear on the LCD screen 1009 BE 11 26 35 Sat ls Sep story Dir DNO Menu To deactivate the keypad lock via phone user interface 1 Press the Menu
44. e characters entered will appear on the LCD screen You can dial from the result list Importing Exporting Contact lists You can manage your phone s local directory via phone or web user interface But you can only import or export the contact list via web user interface To import an XML file of contact list via web user interface 1 2 4 Click on Contacts gt Local Directory Click Browse to select a contact list file file format must be xml from your local system Click Import XML to import the contact list The web user interface prompts The original contact will be covered continue Click OK to complete importing the contact list To import a CSV file of contact list via web user interface 1 2 4 Click on Contacts gt Local Directory Click Browse to select a contact list file file format must be csv from your local system Click Import XML to import the contact list You can then select whether to delete all old contacts while importing the contact list and select the contact information you want to import into the local directory Such as contact name office number or mobile number Click OK to complete importing the contact list To export contact list via web user interface 1 2 3 Click on Contacts gt Local Directory Click Export XML or Export CSV Click Save to save the contact list to your local system 21 User Guide SIP T21P IP Phone Blacklist
45. e or the No soft key to cancel Note You can also delete all text messages by pressing the Delete soft key and then select Delete All You can refer to the above steps You can also delete a specific message after retrieving by pressing the Delete soft key 70 Advanced Phone Features Voice Mail You can leave voice mails for someone else on the SIP T21P IP phone You can also listen to the voice mails stored in a centralized location When receiving a new voice mail the phone will play a warning tone and the MESSAGE key LED will illuminate The phone LCD screen will prompt receiving a new voice mail and a flashing icon or S601 14 05 46 Hew Voice Mail Exit View OMEN Note Voice Mail feature is not available on all servers contact your system administrator for more information To leave a voice mail You can leave a voice mail for someone else when he she is busy or inconvenient to answer the call Follow the voice prompt from the system server to leave the voice mail and then hang up after completing the voice mail To configure voice mail access codes via phone user interface 1 Press Menu gt Messages gt Voice Mail gt Set Voice Mail set Voice Mal 1 Accounti Ho 2 Press or to highlight the account which you want to set press the 123 soft key to select the proper input mode and then enter the voice mail access code 3 Press the Save soft key to accept the change or the Back
46. e ready to receive calls from the ACD system You can press the ACD key to show your current phone status You can press the Available Unavailable soft key to change your phone status The system server monitors your phone status When you set the phone status to available the ACD key LED illuminates solid green and then the server begins distributing calls to your phone When you set the phone to unavailable the ACD key LED illuminates flashing green and then the server temporarily stops distributing calls to your phone To logout of the ACD system press the Log Out soft key It is recommended you configure no more than one ACD key per phone At any time at most one ACD key can be in progress on your phone Advanced Phone Features Messages Short Message Service SMS You can send and receive text messages using the SIPT21P IP phone New text messages can be indicated both acoustically and visually When receiving a new text message the phone will play a warning tone the phone LCD screen will prompt receiving new text messages with the number of waiting messages example 1 New Text Message and a flashing icon z 1009 E 09 22 55 1 Heu Text Message ESS O view Note The SMS feature is not available on all servers Contact your system administrator for more information To read a text message 1 Press Menu gt Messages gt Text Message gt Inbox Inbox Erkazuya Mon 19 Sep 09 36 EESTI ETTE 2 Select
47. eived Calls Missed Calls and Forwarded Calls 3 Press the Option soft key and then select Delete All from the prompt list 4 Press the OK soft key The LCD screen prompts Delete all records 5 Press the OK soft key to confirm the deleting or the Cancel soft key to cancel System Customizations Logo Customization Note 24 You can upload your custom logo which will be shown on the idle screen To upload custom logo via web user interface 1 Click on Phone gt Features Select Custom Logo from the pull down list of Use Logo Click Browse to select the logo file from your local system 2 3 4 Click Upload to upload the file 5 Click Confirm to accept the change 6 Reboot the phone the custom logo will be shown on the LCD screen after rebooting The logo file format must be dob contact your system administrator for more information Customizing Your Phone Headset Use Physically connect your headset refer to Phone Installation on page 5 and activate deactivate it for use Headset Activation Deactivation To activate the headset 1 Press on the phone HEADSET The headset icon on the idle screen indicates that the headset mode is activated Press the line key or the Answer soft key to receive a call the call will connect to your headset automatically 20704 10 10 22 Tues 2 Sep Dir PND Menu To deactivate the headset 1 Press again on the phone HEAD T
48. elect different ring tones to distinguish the accounts or to distinguish your phone from your neighbor s To select a ring tone for the phone via phone user interface 1 Press Menu gt Settings gt Basic Settings gt Ring Tones Note Customizing Your Phone 2 Press or to select the desired ring tone ing Tones 1 Emergency way o Ringlway 3 Ringe way 3 Press the Save soft key to accept the change or the Back soft key to cancel To select a ring tone for the phone via web user interface 1 Click on Phone gt Preference 2 Select the desired ring tone from the pull down list of Ring Tones 3 Click Confirm to accept the change To select a ring tone for the account via web user interface 1 Click on Account 2 Select the desired account from the pull down list of Account 3 Select the desired ring tone from the pull down list of Ring tones If common is selected this account will use the ring tone selected for the phone at Phone gt Preference Refer to the above instruction 4 Click Confirm to accept the change You can also upload custom ring tones for your phone contact your system administrator for more information The ring tone for an incoming call on the phone may be different For example when the phone receives an incoming call from a contact stored in the local directory it will play the ring tone assigned to the contact in the contact directory refer to Adding Contacts in the Co
49. ess IP Port Any phone in the local network then listens to the RTP on the preconfigured multicast address IP Port For both sending and receiving of the multicast RTP there is no sip signaling involved The multicast paging key LED illuminates solid green The following figure shows a multicast RTP session on the phone I Talking 4 5 520 10005 00 1 RTE 2 Press the Hold soft key to place the current multicast RTP session on hold 3 Press the Cancel soft key to cancel the multicast RTP session Multicast RTP is one way only from sender to the multicast address es receiver For outgoing RTP multicasts all other existing calls on the phone will be placed on hold 65 User Guide SIP T21P IP Phone Receiving RTP Stream Note 66 You can configure the phone to receive a Real Time Transport Protocol RTP stream from the pre configured multicast address es without involving SIP signaling You can specify up to 10 multicast addresses that the phone listens to on the network You can also change the behavior of how the phone handles incoming multicast paging calls by configuring specific parameters via web user interface The specific parameters are Paging Barge and Paging Priority Active Paging Barge You can use the paging barge feature to define the priority of the voice call in progress If the priority of an incoming multicast paging call is lower than that of the active call then it will be ignored
50. ettings gt Time amp Date gt SNTP Settings SNTF Settings _ 1 Time Zone 2 Press or gt or the Switch soft key to select the time zone that applies to your area from the Time Zone field The default time zone is 8 China Beijing 3 Enter the domain names or IP addresses in the NTP Server1 and NTP Server fields respectively 4 Press or C Or the Switch soft key to select Automatic from the Daylight Saving field Customizing Your Phone 5 Press the Save soft key to accept the change or the Back soft key to cancel Note Please refer to Appendix A Time Zones for the list of available time zones on the IP phone To configure the time and date manually via phone user interface 1 Press Menu gt Settings gt Basic Settings gt Time amp Date gt Manual Settings 2 Enter the specific Date and Time lar ual Settings _ L batel M D 11 Hoa Hie 2 Time H H 5 13 5e 27 Back __ Save 3 Press the Save soft key to accept the change The time that appears on the LCD screen will change accordingly To configure the time and date format via phone user interface 1 Press Menu gt Settings gt Basic Settings gt Time amp Date gt Time amp Date Format Time amp Date Format 1 Clock 24 Hour aj Switch 2 Press O or gt or the Switch soft key to select the desired time format from the Clock field 3 Press or gt or the Swi
51. g a shared line key on her phone When there is an incoming call to the extension number of the boss both the phones of the boss and the secretary will ring simultaneously Either the boss or the secretary can answer the call Calls on shared line can be placed on hold or barged in The shared Line feature is not available on all servers For more information contact your system administrator 57 User Guide SIP T21P IP Phone Note 58 To place the call on public hold 1 Press the shared line key or the Hold soft key when there is an active call on the shared line To pick up the call placed on public hold 1 Press the shared line key on any phone when there is a public held call on the shared line The shared line key LED illuminates flashing when the shared line call is placed on public hold For more Shared Line key LED indications refer to LED Instructions on page si To place the call on private hold you should configure a private hold key in advance 1 Press Menu gt Features gt DSS Keys Select the desired DSS key Press or gt or the Switch soft key to select Key Event from the Type field a RS Press or gt or the Switch soft key to select Private Hold from the Key Type field 2 Kew Type Private Hold Sith 5 Press the Save soft key to accept the change You can also configure a private hold key via web user interface at the path Phone gt DSS Keys To place the call
52. g in a BE Basic Network Settings Note If your phone cannot contact a DHCP server for any reason you need to configure a static IP address manually To configure a static IP address via phone user interface 1 Press Menu gt Settings gt Advanced Settings password admin gt Network gt WAN Port gt Static IP Client 2 Enter the parameters IP subnet mask default gateway primary DNS second DNS in the corresponding fields 3 Press the Save soft key to accept the change or the Back soft key to cancel Using the wrong network parameters may result in inaccessibility of your phone and may also have an impact on your network performance For more information about these parameters contact your system administrator Getting Started Registration Generally your phone will be deployed with multiple other phones In this case your system administrator will configure the phone parameters beforehand so that after you start up your phone the phone will be registered and ready to use If your phone is not registered you may have to register it For more information on how to register your phone refer to Account Management on page 30 Idle Screen If the phone has successfully started up the idle screen will appear on the phone LCD screen as shown below Sat ls Sep w Dir DND Menu The idle screen shows the label of current account time and date and the four soft keys User Guide SIP T21P IP Phone
53. gister or disable an account via web user interface at the path Account gt Basic Multiple Line Keys per Account You can configure multiple line keys associated with an account This enhances call visualization and simplifies call handling Incoming calls to this line will be distributed evenly among the available line keys similarly outgoing calls will be distributed Your phone can be configured to have a combination of lines with a single line key and lines with multiple line keys Dial Plan Dial plan is a string of characters that governs the way your SIP T21P IP phone processes the inputs received from your phone keypad The SIP T21P IP phone supports the following dial plan features e Replace Rule e Dial now e Area Code e Block Out The basic expression syntax you need to know The dot can be used as a placeholder or multiple placeholders for any character Example 12 would match 123 1234 12345 12abc etc An x can be used as a placeholder for any character Example 12x would match 121 122 123 12a etc The square brackets can be used as a placeholder for a single character which matches any of a set of characters Example 91 3 8 0 9 1234 would match 91301234 91591234 91851234 etc The parentheses can be used to group together patterns for instance to logically combine two or more patterns Exampl
54. gure a group pickup key via web user interface at the path Phone gt DSS Keys To pick up a call in the group 1 Press the group pickup key on your phone when a phone number in the group receives an incoming call The call is answered on your phone Anonymous Call Note You can use anonymous call feature to block the identity and phone number from showing up to the called party when you call someone For example you want to call to consult some of the services but you don t want to be harassed The anonymous call feature is not available on all servers Contact your system administrator for the anonymous call on code and off code 51 User Guide SIP T21P IP Phone To configure anonymous call via phone user interface 1 Press Menu gt Features gt Anonymous Call 2 Press or gt or the Switch soft key to select the desired line from the Line ID field 3 Press or gt or the Switch soft key to select Enable from the Anonymous Call field Anonymous Lal Anonymous Call 4 Optional Enter the anonymous call on code in the Call On Code field 5 Optional Enter the anonymous call off code in the Call Off Code field 6 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure anonymous call via web user interface at the path Account gt Basic To place an anonymous call 1 Using the specific line on the phone to place a call to
55. he Back soft key to cancel You can also configure the BLF key via web user interface at the path Phone gt DSS Keys BLF List 56 You can use the BLF List feature to monitor a list of users defined by your system administrator For example your system administrator enables BLF List and creates a BLF List URI e g BLFList example com including a list of user1 and user2 on the server You can configure BLF List keys on the phone to monitor the status changes of user1 and user2 The key LEDs illuminate either flashing or solid depending on the status of those users For more BLF List key LED indications refer to LED Instructions on page 5 You can use the BLF List keys in the following ways e When the monitored user is idle press the BLF List key to dial out the phone number e When the monitored user is ringing press the BLF List key to pick up the call directly e When there is a conversation on the monitored user press the BLF List key to barge in and set up a conference call To configure the BLF List settings via web user interface 1 Click on Account select the desired account from the Account field Click on Advanced Enter the BLF List URI in the BLF List URI field Optional Enter the BLF pickup code in the BLF List Code field So oe i ES Optional Enter the BLF barge in code in the BLFListBargelnCode field Note Advanced Phone Features 7 Click Confirm to accept the change For more informatio
56. he headset icon disappears from the idle screen when the headset mode is deactivated Headset Prior You can use headset in priority when enabling the headset prior feature This feature is especially useful for permanent or full time headset users To enable Headset Prior via web user interface 1 Click on Phone gt Features 2 Select Enabled from the pull down list of Headset Prior 3 Click Confirm to accept the change To activate the headset mode 1 Physically connect the headset 2 Press CD to activate the headset mode HEADSET Note If headset prior feature is enabled the headset mode will not be deactivated until you press the HEADSET key again 25 User Guide SIP T21P IP Phone Dual Headset You can use two headsets when enabling the dual headset feature To use this feature you must physically connect headsets both to the headset jack and handset jack respectively Once the phone joins in a call people with the headset connected to the headset jack has a full duplex conversation another people with the headset connected to the handset jack is only allowed to listen to To enable Dual Headset via web user interface 1 Click on Phone gt Features 2 Select Enabled from the pull down list of Dual Headset 3 Click Confirm to accept the change DSS Keys There are two types of DSS keys Line Keys and Programmable Keys The details will be introduced as following The SIP T21P IP phone supports 2 line
57. hen press the Enter soft key The phone connects to load the corporate directory and then displays the corporate contact list on the LCD screen 3 Press the Cancel soft key to back to the previous interface or the Back soft key to disconnect Customizing Your Phone To place a call from the corporate directory 1 2 3 4 Press Dir gt Remote Phonebook Press or to select the desired remote group and then press the Enter soft key to load the corporate directory select the desired contact in the corporate directory Press the Dial soft key In addition you can enable the phone to present the caller identity stored in the corporate directory when receiving a call To enable the presentation of caller identity stored in the remote phonebook 1 2 Click on Phone gt Features Select Enabled from the pull down list of SRemoteName Enter the refresh period of corporate directory in the SRemoteNameFlashTime field The default value is 3600 seconds Click Confirm to accept the change Call History Management The SIP T21P IP phone maintains call history lists of Dialed Calls Received Calls Missed Calls and Forwarded Calls The call history list supports 100 entries in all You can check the call history dial a call add a contact or delete an entry from the call history list To check the call history 1 Press the History soft key The LCD screen displays All Calls list
58. icipants This feature allows you to perform the following e Join two calls together into a conference call e Invite another party into an active conference call To use this feature contact your system administrator for the network conference URI in advance and configure the phone via web user interface 1 Click on Account gt Advanced 2 Select the desired conference type from the pull down list of Conference Type 3 Enter the conference URI e g conference example com in the Conference URI field 4 Click Confirm to accept the change To set up a network conference call 1 Place a call to the first party 2 Press the Conf soft key to create a new call The active call is placed on hold 3 Enter the number of the second party and press or the Send soft key 4 When the second party answers the call press the Conf soft key to add the second party to the conference 5 Press the Conf soft key to create a new call The conference is placed on hold 6 Enter the number of the new party and then press or the Send soft key 7 When the new party answers the call press the Conf soft key to add the new party to the conference 8 Repeat steps 5 to 7 until you have added all intended parties The procedures to set up a network conference call for specific servers may be different from introduced above Contact your system administrator for more information Basic Call Features Call Park
59. id value of Account field can be one or more digits Each digit must be separated by a For example when you enter the value 1 2 in the Account field this replace rule will apply to account and account2 If you leave the Account field blank or enter an invalid value then the replace rule will apply to all accounts To edit a replace rule via web user interface 1 Click on Phone gt Dial Plan gt Replace Rule select the desired replace rule by checking the check box 2 3 Edit the values in the Prefix and Replace fields 4 Enter the desired line ID in the Account field or leave it blank 5 Click Edit to accept the change To delete one or more replace rules via web user interface 1 Click on Phone gt Dial Plan gt Replace Rule 2 Select one or more replace rules by checking the check box es 3 Click Del to delete the replace rule s Dial now You can configure one or more dial now rules on your phone When the dialed out number matches the dial now string the number will be dialed out automatically For example a dial now rule is configured as 2xx then entering any three digit string 52 Customizing Your Phone begins with 2 will be dialed out automatically on the phone To add a dial now rule via web user interface 1 Click on Phone gt Dial Plan gt Dial now 2 Enterthe desired value e g 1234 in the Dial now Rule field 3 Enter the desired line ID in the Account field or lea
60. igure forward feature via web user interface at the path Phone gt Features You can also enter the SIP URL or IP address in the Forward to field For more information on using the SIP URL or IP address refer to Placing Calls on page 37 Call forward feature is local to the phone and may be overridden by the server settings Call forward on code or off code may be different between servers For more information contact your system administrator To disable call forward Do one of the following Press CO when the phone is idle Press Menu gt Features gt Call Forward Press or to select the desired forwarding type then press the Enter soft key Press or gt or the Switch soft key to select Disable to disable the call forward Dynamic Forwarding To forward an incoming call to another party 1 When the phone rings press the Fwd soft key 2 Enter the number you want to forward the incoming call to _ _ 3 Press Ho or the Send soft key The incoming call is forwarded The LCD screen prompts a call forward message 45 User Guide SIP T21P IP Phone Call Transfer 46 You can transfer a call to another party in one of the three ways e Blind Transfer Transfer a call directly to another party without consulting e Semi Attended Transfer Transfer a call when receiving ringback e Attended Transfer Transfer a call with prior consulting To perform a blind transfe
61. ing e Intercom e Multicast Paging e Music on Hold e Automatic Call Distribution ACD e Messages If you require additional information or assistance with your new phone contact your system administrator Busy Lamp Field BLF You can use the BLF feature to monitor a specific user for status changes on the phone For example you can configure a BLF key on the phone for monitoring the status of a friend s phone busy or idle When the friend picks up his phone to make a call the BLF key LED illuminates flashing green on your phone to indicate that the friend s phone is in use and busy For more BLF key LED indications refer to LED Instructions on page 5 You can press a BLF key to dial out the monitored user when he is in idle You can also pick up a call directly by pressing the BLF key when the monitored user is ringing For more information contact your system administrator To configure a BLF key via phone user interface 1 Press Menu gt Features gt DSS Keys 2 Select the desired DSS key 55 User Guide SIP T21P IP Phone 3 Press or gt or the Switch soft key to select BLF from the Type field 1 Type 4 Press or C Or the Switch soft key to select the desired line from the Account ID field 5 Enter the phone number or extension you want to monitor in the Value field 6 Optional Enter the pickup code in the Extension field 7 Press the Save soft key to accept the change or t
62. keys on the keypad To customize the programmable keys via web user interface 1 Click on Phone gt DSS Keys gt Programmable Keys 2 Customize specific features for these keys 3 Click Confirm to accept the change You can configure the programmable keys via web user interface only Account Management You can register one or multiple accounts on the SIP T21P IP phone You can also configure each line key associated with an account or configure multiple line keys associated with an account Account Registration 30 To register an account via phone user interface 1 Press Menu gt Settings gt Advanced Settings password admin gt Accounts 2 Select the desired account and then press the Enter soft key 3 Select Enable in the Activation field 4 Enter the Label Display Name Register Name User Name Password and SIP Server respectively Contact your system administrator for more information 5 Press the Save soft key to accept the change or the Back soft key to cancel 6 Repeat steps 2 to 5 until you have registered all accounts To disable an account via phone user interface 1 Press Menu gt Settings gt Advanced Settings password admin gt Accounts 2 Select the desired account and then press the Enter soft key 3 Select Disable in the Activation field to disable the account Customizing Your Phone 4 Press the Save soft key to accept the change or the Back soft key to cancel You can also re
63. ll be rejected automatically Redial You can use this key feature to access the Dialed Calls list Press the DSS key when the phone is idle then you can select an entry to redial Dependencies ype Key Event Key lype Redial Usage 1 Press the DSS key when the phone is idle to access the dialed calls list 2 Select an entry and press the DSS key again to redial the call SMS You can use this key feature to quick access the text message feature For more information refer to Short Message Service SMS on page 69 Dependencies ype Key Event Key Type SMS Usage Press the DSS key when the phone is idle to access the text message feature Group Listening You can use this key feature to activate the Speakerphone and Handset Headset mode at the same time It is suitable for the group conversation which has more than one person at one side You are able to speak and listen through the handset headset meanwhile the others nearby can only listen through the speaker 29 User Guide SIP T21P IP Phone Dependencies ype Key Event Key lype Group Listening Usage 1 During a call press the DSS key to activate group listening mode You can then speak and listen through the handset headset other persons at your side can listen through the speaker at the same time 2 Press the DSS key again to deactivate group listening mode Programmable Keys Note You can customize the soft keys navigation keys and function
64. lumes of incoming calls from callers who have no need to talk to a specific person but who require assistance from any of multiple persons at the earliest opportunity The ACD feature on the SIP T21P IP phone allows the ACD system to distribute calls from large volumes of incoming calls to the registered IP phone users To use this feature you should configure an ACD key in advance To configure an ACD key via phone user interface 1 Press Menu gt Features gt DSS Keys 2 Select the desired DSS key 3 Press or gt or the Switch soft key to select ACD from the Type field 4 Press or gt or the Switch soft key to select the desired line from the Account 67 User Guide SIP T21P IP Phone Note Note 68 ID field 5 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure an ACD key via web user interface at the path Phone gt DSS Keys To use the ACD feature 1 Press the ACD key when the phone is idle The phone LCD screen prompts you the following information User ID the phone number used to log in the queue Password the password used to log in the queue 1 User ID ls Password YY Cancel 123 Del Login 2 Press the Log In soft key to login Contact your system administrator for the User ID and Password to access the ACD system After configuring an ACD key you can press the ACD key to log in the ACD system After logging in you ar
65. n Missed Calls Call Forward Recording box is full LED Instructions Power Indicator LED LED Status Solid green Flashing green Off Line key LED LED Status Solid green Fast flashing green Slow flashing green Off Overview Description The phone is powered on The phone is ringing The phone is powered off Description The line is active The line receives an incoming call the phone is ringing The call is placed on hold The line is inactive Line key LED configured as BLF key LED Status Solid green Fast flashing green Slow flashing green Off Description The monitored user is idle The monitored user is ringing The monitored user is busy The monitored user does not exist Line key LED configured as shared line key LED Status Solid green Slow flashing green Fast flashing green Off Description All the shared line parties are idle The shared line is seized some party receives the ringback The shared line conversation is placed on private hold For multi party call all the parties place the shared line conversation on hold The shared line receives an incoming call The shared line is in conversation The shared line conversation is placed on public hold The shared line does not exist User Guide SIP T21P IP Phone User Interfaces There are two ways to customize specific configurations on your SIP T21P IP phone e Using the user interface on the IP phone e
66. n about the BLF List pickup and BLF List barge in feature contact your system administrator You can configure the BLF List settings via the web user interface only To configure BLF List keys via phone user interface 1 Press Menu gt Features gt DSS Keys 2 Select the desired DSS key 3 Press or gt or the Switch soft key to select BLF List from the Type field 1 Type Switgh 4 Press Co or C Or the Switch soft key to select the desired line from the Account ID field 5 Press the Save soft key to accept the change 6 Repeat steps 2 to 5 to configure more the number of users in the list BLF List keys You can also configure the BLF List key via web user interface at the path Phone gt DSS Keys After the above configurations according to the response message from the BLF List server the IP phone will automatically assign the phone number of the BLF List users to the BLF List keys in order Shared Line Note shared line is configured by assigning the same extension number to multiple lines You can use the shared line feature to share an extension number which is used on two or more IP phones at the same time An incoming call to that number will cause all phones to ring simultaneously The incoming call can be answered on one of the phones but not all of them This feature is very useful in the boss and secretary scenario For example the secretary can share the boss extension number by configurin
67. n list of Export System Log 3 Click Export to open file download window and then save the file to your local system You can also export the system log to a Syslog Server contact your system administrator for more information How to Export Import phone Configurations We may need you to provide your phone configurations to help analyze your problem In some instance you may need to import configurations to your phone To export your phone configurations via web user interface 1 Click on Upgrade gt Advanced 2 Click Export to open file download window and then save the file to your local system To Import phone configurations via web user interface 1 Click on Upgrade gt Advanced 2 Click Browse to select a configuration file from your local system 3 Click Import to import the configuration file The file format of configuration file must be bin Regulatory Notices Regulatory Notices Service Agreements Contact your Yealink Authorized Reseller for information about service agreements applicable to your product Limitations of Liability TO THE FULL EXTENT ALLOWED BY LAW YEALINK EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN C
68. nais lada 39 SAIS alo LOTO CAP OU LE ee ee 40 REGIGIING INUITID SS SE 2 ee 41 A ee EE a 41 CAlMMI Sd ad id ia 41 Call Hold RESUME u Ai 42 De NOt DISUIADND as ee ee 43 A A A aac 43 A A editions 46 CONTEN PP o A A re 47 oy af Gio ph d Nc 47 NetWork RO ISIN CS icra Ra E ea 48 CO CM O en de 49 Call PIekUBa 2d een 50 ANONYMOUS alli ae 51 Anonymous Eall Rejeetion u ur iesseiih enger ln 52 Advanced Phone Features ninia din 55 BUSY Lamp Feld Dr a as 55 A ee 56 SACS CHENE ween ane Re ee ee ee RE A RR 57 Call REC Ol ING nern 59 FOL DES KINO LR E tre nent Sao inde een eee 60 IE CO O II ni E A ie 62 OVON Merc on Call 62 Ihcoming Int rconm Calls A 62 MONCI CPO GING san 64 Sending RIP STEG earn esa aA E nie di 64 viii Table of Contents RECEIVING RIP SICON nier hahha ohh dia 66 MUSIC ON AMOO iras 67 Automatic Call DiStiBUTION ACD 2 5 iii 67 Message Sia ee ee 69 Short Message Service SMS la as ea ie loin 69 VOICE N All D re Da nn A ei net 71 Message Waiting Indicator MW ss 72 IFOUBDIESHOOU NG nee en ans 73 Regulatory Notices aa 71 Service ADS eMe Sd 77 LIMITATIONS ORADI ESS ea 77 Se TAS TU CONS SAS 77 Appendix A Time Zones ss 79 O CR II A 81 User Guide SIP T21P IP Phone Overview Overview This chapter provides the overview of the SIP T21P IP phone The topics include e Hardware Component Instructions e Icon Instructions e LED Instructions e User Interfaces Documentation If you
69. ncoming call to someone else For more information refer to Call Forward on page 43 Dependencies ype Key Event Key Iype Forward Valve the number you want to forward to Usage Press the DSS key to forward an incoming call to the number specified in the Value field When leaving the Value field blank the DSS key performs the same as the Fwd soft key when receiving an incoming call Transfer You can use this key feature to perform a Blind Attended Semi Attended Transfer during a call For more information refer to Call Transfer on page 46 Dependencies ype Key Event Key Iype Iran Valve the number you want to transfer to Usage Press the DSS key during a call to transfer the call to the number specified in the Value field When leaving the Value field blank the DSS key performs the same as the Tran soft key during a call Note Customizing Your Phone Hold You can use this key feature to place an active call on hold or retrieve a held call Dependencies ype Key Event Key Iype Hold Usage 1 Press the DSS key during an active call to place the call on hold 2 Press the DSS key again to retrieve the held call DND You can use this key feature to activate or deactivate the DND mode Dependencies ype Key Event Key Type DND Usage 1 Press the DSS key to activate the DND mode 2 Press the DSS key again to deactivate the DND mode When the DND mode is activated all incoming calls wi
70. ntact Management section Otherwise the phone will play the ring tone assigned to the account If both the contact ring tone and the account ring tone are not assigned then the phone will play the ring tone assigned to the phone User Guide SIP T21P IP Phone Contact Management This section provides the operating instructions for managing contacts The topics include Local Directory e Blacklist Remote Phonebook Local Directory The built in phone directory stores the names and phone numbers of your contacts You can store up to 300 contacts in your phone s local directory You can add edit delete or search for a contact in the local directory You can also dial a contact from the local directory Adding Contacts You can add contacts to your local directory in the following ways e Manually e From call history e From remote phonebook Adding Contacts Manually To add a contact to the local directory manually 1 Press Dir gt Local Directory Select the desired contact group For example select Contacts 2 3 Press the Add soft key 4 Enter the Name and the Office Mobile or Other numbers Add Contact 5 Press or gt or the Switch soft key to select the desired account from the Account field If Auto is selected the phone will use the first available account when placing calls to the contact from the local directory 6 Press or C Or the Switch soft key to select the desired
71. ntact your system administrator Local Conference The SIP T21P IP phone supports up to 3 parties including yourself in a conference call This is called Local Conference and is the default method of conferencing To set up a local conference call 1 Place a call to the first party 2 Press the Conf soft key to create a new call The active call is placed on hold t or the Send soft key r sE q 3 Enter the number of the second party and press 4 When the second party answers the call you can consult with him or her before adding to the conference 5 Press the Conf soft key again to join all parties in the conference To join two calls in a conference 1 Place two calls using two different accounts on the phone for example place the first call using account 1 and then place the second call using account 2 2 Press or to select the call for conference and make sure the call is active for example select the call on account 1 3 Press the Conf soft key to join the two calls in the conference on account 1 You can press the Hold soft key to place the conference on hold You can press the Split soft key to split the conference call into two individual calls To drop the conference call press the Cancel soft key 47 User Guide SIP T21P IP Phone Network Conference 48 You can use network conference feature on the SIP T21P IP phone to conduct a conference with multiple part
72. or un mute the microphone on the phone for intercom calls automatically If Intercom Mute is enabled the microphone is muted for intercom calls If Intercom 63 User Guide SIP T21P IP Phone Mute is disabled the microphone is un muted for incoming calls Intercom Mute is disabled by default Intercom Tone You can enable or disable the phone to play a warning tone when receiving an intercom call If Intercom Tone is enabled the phone plays a warning tone to alert you before answering the intercom call If Intercom Tone is disabled the phone automatically answers the intercom call without warning Intercom Tone is enabled by default Intercom Barge You can enable or disable the phone to automatically answer an incoming intercom call while there is already an active call on the phone If Intercom Barge is enabled the phone automatically answers the intercom call and places the active call on hold If Intercom Barge is disabled the phone handles an incoming intercom call like a waiting call Intercom Barge Is disabled by default Multicast Paging You can use multicast paging to quickly and easily forward time sensitive announcements out to people within the multicast group You can configure a multicast paging key on the phone which allows you to send a Real Time Transport Protocol RTP stream to the pre configured multicast address es without involving SIP signaling You can configure the phone to allow it to receive an RIP stre
73. orward on page 43 Answering When Not in Another Call In all cases the active call will appear on the LCD screen showing call duration and destination 39 User Guide SIP T21P IP Phone To answer a call using the handset 1 Pick up the handset To answer a call using the hands free speakerphone mode Do one of the following a Press 4 Y With the handset on hook and headset mode deactivated press the Answer soft key With the handset on hook and headset mode deactivated press the line key the line key LED flashes green To answer a call using the headset Do one of the following Press D With the headset mode activated press the Answer soft key With the headset mode activated press the line key the line key LED flashes green Answering When in Another Call lf you have an active call and an incoming call arrives on the phone do one of the following Press the Answer soft key The incoming call is answered and the original call is placed on hold Press to access the new call Press or the Answer soft key The incoming call is answered and the original call is placed on hold Ending Calls To end a call Do one of the following If you are using the handset press the Cancel soft key or hang up the handset If you are using a headset press the Cancel soft key 4 or the Cancel soft key N f If you are using the speakerphone pre
74. ption Allows you to enable or disable the IP phone to Intercom Allow a automatically answer an incoming intercom call Allows you to enable or disable the microphone on Intercom Mute the IP phone for Intercom calls Allows you to enable or disable a warning tone when Intercom Tone i the phone receives an incoming intercom call Allows you to enable or disable the IP phone to Intercom Barge automatically answer an incoming intercom call while there is already an active call on the phone To configure intercom features via phone user interface 1 Press Menu gt Features gt Intercom 2 Make the desired changes Press or to switch between different intercom features 1 Intercom Allow Disable Switgh 3 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure these specific parameters via web user interface at the path Phone gt Features Intercom Allow You can enable or disable the phone to automatically answer an incoming intercom call If Intercom Allow is enabled the phone automatically answers an incoming intercom call If Intercom Allow is disabled the phone rejects incoming intercom calls and sends a busy signal to the caller Intercom Allow is enabled by default Your administrator can set a time period delay before the phone automatically answers Contact your system administrator for more information Intercom Mute You can mute
75. r S 1 Press or the Tran soft key during a call 2 Enter the number you want to transfer the call to 1 Transfer to C203 GN 3 Press or the Tran soft key to complete the transfer Then the call is connected to the number to which you are transferring To perform a semi attended transfer 1 Press CO or the Tran soft key during a call 2 Enter the number you want to transfer the call to 3 Press or to dial out 4 Press CO or the Tran soft key to complete the transfer when receiving the ringback To perform an attended transfer 7 gt 1 Press or the Tran soft key during a call Enter the number you want to transfer the call to Press or to dial out After the party answers the call press I or the Tran soft key to complete the e a gt transfer If you are using a handset the transfer can be completed by hanging up the handset You can cancel the transfer before the call connects by pressing the Cancel soft key Basic Call Features Conference Note You can create a conference with other parties using the phone s local conference feature You can create a conference between an active call and a call on hold on the same or another line by pressing the Conf soft key The network conference feature allows you to add and remove specific conference parties The network conference feature is not available on all servers For more information co
76. ration of active call is visible on the LCD screen In the figure below the call to Kame has lasted 1 minute and 8 seconds 1 Talking Kame 01 08 Tran Hold Conf Ca To place a call using the handset 1 Pick up the handset 2 Enter the desired number using the keypad 3 Press By default the key is set as a send key You can also set the key as a send key or set or the Send soft key neither of them as send keys For more information refer to the Key as Send on page 14 You can also dial using the SIP URI or IP address To obtain the IP address of your phone press the OK key The maximum SIP URI or IP address length is 32 characters For example 192 168 1 15 sip 2210 sip com Your phone may not support direct IP dialing Contact your system administrator for more information To place a call using the hands free speakerphone mode Do one of the following With the handset on hook press w or the line key to obtain a dial tone Enter the desired number using the keypad Press With the handset on hook enter the desired number using the keypad Press or the Send soft key or the Send soft key To place a call using the headset Do one of the following With the optional headset connected press to activate the headset mode HEADSET Press the line key to obtain a dial tone Enter the desired number using the keypad
77. ring tone from the Ring Customizing Your Phone Tones field 7 Press the Save soft key to accept the change or the Back soft key to cancel Note If the contact has existed in the directory the LCD screen will prompt Existed in Contacts Adding Contacts from Call History To add a contact to the local directory from the call history 1 Press the History soft key 2 Press or to highlight the desired entry 3 Press the Option soft key and then select Add to Contacts from the prompt list Ip tian Detail Add to Contacts Add to Blacklist Lance 4 Enter the contact name 5 Press the Save soft key to accept the change The entry is successfully saved in the local directory Adding Contacts from remote phonebook To add a contact to the local directory from the remote phonebook 1 Press Dir gt Remote Phonebook 2 Press or to highlight the desired entry 3 Press the Option soft key and then select Move to Contacts from the prompt list 4 Press the Save soft key to save the contact in the local directory If the contact has already existed in the local directory the LCD screen will prompt Overwrite the original contact Press the OK soft key to overwrite the original contact in local directory or the Cancel soft key to cancel For more information on remote phonebook operating refer to Remote Phonebook on page 22 Editing Contacts To edit a contact in the local directory 1 Press Dir gt Local
78. rk Connection 5 No answer Forward 43 P Packing List 3 Phone Installation 5 Phone Initialization 7 Phone Status 8 Phone User Interface 6 81 User Guide SIP T21P IP Phone Placing Calls to Contacts 20 Placing Calls 37 Programmable Keys 30 O Overview 1 Outgoing intercom Calls 62 R Registration 9 Redialing Numbers 41 Regulatory Notices 77 Remote Phonebook 22 Replace Rule 31 Ring Tones 16 Receiving RTP Stream 66 S Searching for Contacts 20 Safety Instructions 77 Semi attended Transfer 45 Sending RIP Stream 64 Service Agreements 77 Shared Line 57 Short Message Service SMS 69 System Customizations 24 T Time and Date 12 Time Zones 79 Troubleshooting 73 V Voice Mail 71 Volume 16 W Warranty vi WEEE Warning vii Web User Interface 6 82
79. scescescssescescesces 1 Getting StArted cssccsssscccescccessccsssccsescecescceessceeesceeeseeees 3 ae o ES ER E E TE E 5 Phone Install lO u een nennen 5 Phone Initialization cccecescesceccscosceccsccscescescscescescescscescscssescescescssescescesessescescesescescesces 7 Phone Status cccccccsccecccscceccescceccecccescecccesceccteccesceesceccceccecceescescesscesceescescesceescesssesceeceesees 8 Basic Network Settings eeeeeeeeseeessssnnnnnnnnnnnnensnnnnnnnnesnennnnnnnnnnnnnnnnnnnsnnnnnnnsnesesssnnnnnnnnnnnnnn 8 BR OS CON apres ste poo a ee ee ee een 9 IE SSSR ee an de de ee nn 9 Customizing Your Phone rss 11 General AS 11 OG III CIA PR RENE ER PET 11 o nn 11 Time and Dalea cr sais 12 EVA S LES An RER RTS 14 ee 0 OC Ma takes een ine Te 14 o A E ern 16 o a ce 16 RING JONES a ee de ee 16 Contact Managemert uussssssssssssssnsssssssnnnnnnsssennnnnnnnnnnnnnnnnnssnnnnnnnssssnsnnnnnnnnnnnnsnsssnsnnnnnnnn 18 o IGS ON 18 vil User Guide SIP T21P IP Phone A 22 Remote POMC OOOK Ne den dire a 22 Call AIS ON Mandage me Nb esiseina a mc Nuientise ne 23 SVSIEN E USTOMIZALIONS ass 24 LOgOCUStOMI ZANO enera RS AAN 24 HeEeddSet WIS Sia er ee 25 DSS ROW A A E EE A E 26 ACCOUMEMANADTE NM ee ee 30 A E O a a N 31 EMergencv NUMBER ER nn ne de nn ac a tree in nent ent 34 PI DIDIER Re ae LR ide ont 34 HOME ns do ae ee en 35 BOSIC Call FSA rer 37 PIERRE AB RE ar ae 37 AnswWerng CONS se
80. soft key to cancel Note Voice mail access code must be predefined on the system server Contact your system administrator for the more information To listen to the voice mails 1 When the phone user interface prompts receiving new voice mails press or MESSAGE the Connect soft key to dial out the access voice mail code 71 User Guide SIP T21P IP Phone Note 2 Follow the voice prompt to listen to the voice mails Before listening to the voice mails make sure the voice mail access code has been configured When all new voice mails are retrieved the MESSAGE key LED will turn off To view the voice mail via phone user interface 1 Press Menu gt Messages gt Voice Mail gt View Voice Mail The phone LCD screen displays the amount of the voice mails that includes new or old voice mails 2 Select an account and then press the Connect soft key to listen to the voice mails Message Waiting Indicator MWI Note 72 The SIP T21P IP phone supports MWI feature when receiving a new voice message If someone leaves you a voicemail you will receive a message waiting indicator MWI will be indicated in three ways a warning tone the MESSAGE key LED illuminates solid green and an indicator message including a voice mail icon appears on the LCD screen This is cleared only when you retrieve all voice mails or delete them For some particular servers the MWI service is unsolicited So the SIP T21P IP phone j
81. ss Note To end a call placed on hold you can press the Cancel soft key to end the call directly or press the Resume soft key to resume the call before ending it 40 Basic Call Features Redialing Numbers To redial the last placed call from your phone ete gt e 1 Press ro twice Ye A call to your last placed call is attempted To redial a previously placed call from your phone 1 Press ro when the phone is idle 2 Press or to select the desired entry from the dialed call list and then press rp or the Send soft key Call Return You can press a call return key to place a call back to the last incoming call To configure a call return key via phone user interface 1 Press Menu gt Features gt DSS Keys 2 Select a desired DSS key 3 Press or gt or the Switch soft key to select Key Event from the Type field 4 Press or gt or the Switch soft key to select Call Return from the Key Type field Key Type Call Return ak Suitch 5 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure a call return key via web user interface at the path Phone gt DSS Keys Call Mute You can mute the microphone of the active audio device during an active call then the other party cannot hear you To mute a call 1 Press x during an active call 41 User Guide SIP T21P IP Phone The phone LCD screen indicates that the
82. tch soft key to select the desired date format from the Date Format field 4 Press the Save soft key to accept the change or the Back soft key to cancel There are 7 available date formats for example the date format WWW DD MMM WWW represents the first three letters of the week DD represents two digit of the date and MMM represents the first three letters of the month User Guide SIP T21P IP Phone The date formats you need to know Date Format Example 2011 8 17 WWW MMM DD Wed Aug 17 DateFormat MA wi MA WWW DD MMM Wed 17 Aug You can also configure the time and date settings via web user interface at the path Phone gt Preference Key as Send ES You can set the or to perform as a send key while dialing a call To set the key as send via phone user interface 1 Press Menu gt Features gt Key as Send ter 35 Send 2 Press or gt or the Switch soft key to select or from the Key as Send field or select Disable to disable this feature 3 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure key as send via web user interface at the path Phone gt Features Keypad Lock You can lock the keypad of your phone when you are temporarily not using it This feature helps you to protect your phone from unauthorized use This feature allows you to perform the following Menu Key Th
83. th are 1 and 15 respectively 33 User Guide SIP T21P IP Phone Block Out You can block the dialing of specific numbers When you dial a block out number on your phone the dialing will fail and the LCD screen will prompt Forbidden Number To add a block out number via web user interface 1 Click on Phone gt Dial Plan gt Block Out 2 Enter the desired value in the Block Out Number field 3 Enter the desired line ID in the Account field or leave it blank 4 Click Add to add the block out number Emergency Number Note Public telephone networks in countries around the world have a single emergency telephone number emergency services number that allows a caller to contact local emergency services for assistance when required The emergency telephone number may differ from country to country It is typically a three digit number so that it can be easily remembered and dialed quickly Some countries have different emergency numbers for different emergency services You can specify the emergency telephone number on the IP phone for contacting the emergency services in an emergency situation Contact your local phone service provider for available emergency numbers in your area To specify emergency numbers via web user interface 1 Click on Phone gt Features 2 Enterthe emergency services number in the Emergency field For multiple numbers enter a between each emergency number Default value for
84. the desired message and press the View soft key Note If the phone prompts receiving new text messages you can also press the View soft key to read the new messages directly To send a text message 1 Press Menu gt Messages gt Text Message gt New Message 2 Compose the new text message You can press the abc soft key to change the input mode 3 Press the Send soft key after completing the content 4 Optional Press or gt or the Switch soft key to select the desired account from the From field 69 User Guide SIP T21P IP Phone 5 Enter the number you want to send the message to in the To field 6 Press the Send soft key to send the message or the Back soft key to cancel You can also send a text message via web user interface at the path Phone gt SMS To reply a text message 1 Press Menu gt Messages gt Text Message gt Inbox 2 Select the desired message and press the Reply soft key To 2105 3 Compose the new text message You can press the abc soft key to change the input mode 4 Press the Send soft key after completing the content To delete a text message 1 Press Menu gt Messages gt Text Message gt Inbox Sentbox Outbox or Draftbox 2 Selectthe desired message and then press the Delete soft key 3 Select Delete This to delete the desired message The LCD screen prompts Delete Message Delete Message 4 Press the Yes soft key to delete this messag
85. ts 18 Anonymous Call 51 Anonymous Call Rejection 52 Answering Calls 39 Area Code 33 Attaching Stand 5 Automatic Call Distribution ACD 67 Audio Settings 16 B Backlight 11 Basic Network Settings 8 Blacklist 22 BLF list 56 Block Out 34 Busy Lamp Field BLF 55 C CE Mark Warning vi Call History Management 23 Call Forward 43 Call Mute 41 Call Hold Resume 42 Call Recording 59 Conference 47 Copyright v Customizing Your Phone 11 Contact Management 18 Call Park 49 Call Pickup 50 Call Return 41 Call Transfer 46 D Declaration of Conformity vi Deleting Contacts 20 Dial now 32 DialPlan 31 Documentation 1 Do Not Disturb DND 43 DSS Keys 26 Dual Headset 26 E Editing Contacts 19 Emergency Number 34 Ending Calls 40 Index G Getting Started 3 General Settings 11 H Hardware Component Instructions 1 Headset Use 25 Headset Activation Deactivation 25 Headset Prior 25 Hot Desking 60 Hot Line 35 Icon Instructions 2 Idle screen 9 Importing Exporting Contact lists 21 Incoming intercom call features 62 Intercom 62 In This Guide v K Key as Send 14 Keypad Lock 14 L Language 11 LED Instructions 5 Limitation of Liability 77 Line Keys 26 Live Dialpad 34 Local Conference 47 Local Directory 18 Logo Customization 24 M Messages 69 Message Waiting Indicator 72 Multiple Line Keys per Account 31 MusiconHold 67 Multicast Paging 64 N Network Conference 48 Netwo
86. ur system administrator for more information Outgoing Intercom Calls To configure an intercom key via phone user interface 1 Press Menu gt Features gt DSS Keys 2 Select the desired DSS key 3 Press or gt or the Switch soft key to select Intercom from the Type field 1 Type Intercom dk Smiter 4 Select the desired line from the Account ID field 5 Enter the remote extension number in the Value field 6 Press the Save soft key to accept the change or the Back soft key to cancel You can also configure an intercom key via web user interface at the path Phone gt DSS Keys To place an intercom call 1 Press the intercom key when the phone is idle The phone is automatically connected to the extension specified in the Value field 2 Press the intercom key again or the Cancel soft key to end the intercom call Incoming Intercom Calls 62 By default the SIP T21P IP phone supports to answer an incoming intercom call automatically The phone automatically plays a warning tone when it receives an Incoming intercom call In addition you can enable the phone to mute the microphone when it automatically answers an incoming intercom call You can also enable the Note Advanced Phone Features phone to automatically answer an incoming intercom call while there is already an active call on the phone the active call is placed on hold Intercom features you need to know Intercom features Descri
87. ust need to handle the MWI messages sent from the server But for some servers the MWI service is solicited In this case the SIP T21P IP phone must enable the MWI Subscription for MWI messages MWI service is not available on all servers Contact your system administrator for more information The MWI Subscription parameters you need to know en tor Subscribe for MWI Enable or disable a subscription for MWI service o Period of MWI subscription The IP phone re sends a MWI Subscription Period a 4 MWI subscription before expiring To enable MWI subscription via web user interface 1 Click on Account gt Advanced Select Enabled from the pull down list of Subscribe for MWI field Enter the period time in seconds in the MWI Subscription Period field e AL gt Click Confirm to accept the change Troubleshooting Troubleshooting This chapter provides general troubleshooting information to help you solve the problems you might encounter when using your SIP T21P IP phone If you require additional information or assistance with your new phone contact your system administrator Why is the phone LCD screen blank e Ensure your phone is properly plugged into a functional AC outlet e Ensure that the phone isn t plugged into a plug controlled by a switch that is off e Ifthe phone is plugged into a power strip try plugging it directly into a wall outlet instead e f your phone is powered from PoE
88. utomatically and the callers will hear a busy signal or a message depending on how your system administrator set up the configuration server To activate the DND mode on the SIP T21P IP phone 1 Press the DND soft key when the phone is idle The icon on the LCD screen indicates that Do Not Disturb is activated Incoming calls will be rejected automatically and n New Missed Call n indicates the number of the missed call will prompt on the LCD screen Note The Do Not Disturb feature is local to the phone and may be overridden by the server settings For more information contact your system administrator Call Forward You can configure your phone to automatically forward incoming calls to another party by the Static Forwarding You can also forward calls manually while your phone rings refer to the Dynamic Forwarding Static Forwarding To enable call forward 1 Press Menu gt Features gt Call Forward 2 Press or to select the desired forwarding type and then press the Enter soft key The options are Always Forward Incoming calls are immediately forwarded Busy Forward Incoming calls are immediately forwarded if the phone is busy No Answer Forward Incoming calls are forwarded if not answered after a period of time 3 Depending on your selection a If you select Always Forward 43 User Guide SIP T21P IP Phone 1 Press or O or the Switch soft key to select Enable from the
89. ve it blank 4 Click Add to add the dial now rule When you enter the number 1234 using the keypad the phone will dial out 1234 automatically without pressing any key Note You can also edit or delete the dial now rule refer to Replace Rule on page 32 for more information Time Out for Dial now Rule You can configure the interval for dial now rules That is you can configure your phone to dial out the phone number which matches a dial now rule in a fixed time To configure the timeout for dial now rule via web user interface 1 Click on Phone gt Features 2 Enter the time within 1 14 in seconds in the Time Out for Dial now Rule field 3 Click Confirm to accept the change Area Code Area codes are also known as Numbering Plan Areas NPAs They usually indicate geographical areas in a country This feature is necessary only when dialing outside the code area For example area code is configured as Code 011 Min Length 4 Max Length 11 then when you dial out the number 56789 the phone will add the area code and dial out the number 01156789 To configure the area code and lengths via web user interface 1 Click on Phone gt Dial Plan gt Area Code 2 Enter the desired values in the Code Min Length and Max Length fields 3 Enter the desired line ID in the Account field or leave it blank 4 Click Confirm to accept the change Note The default values of minimum and maximum leng
90. your PC in the same network segment of the IP phone 192 168 0 X to access the web user interface Overview The options you can use to customize the IP phone via phone user interface and or via web user interface are listed in the following table Options Phone User Interface Web User Interface Status P MAC Firmware y V Network Phone Accounts Basic Call Features Call Forward vV Call Park V Call Pickup V Call Return V y Conference Anonymous Call V Anonymous Call Rejection V DND V Basic Phone Settings Language V Time amp Date V Ring Tones v Backlight Call Waiting V Keypad Lock V Phone Volume V Logo Customization Call History Management v Contact Management Local Directory V V Blacklist y vV Remote Phonebook V Dial Plan V DSS Keys V V Key as Send J y Hot Line v y Live Dialpad ry Emergency J User Guide SIP T21P IP Phone Options Phone User Interface Web User Interface Advanced Phone Features BLF BLF List Shared Line Intercom Call Recording Hot Desking Multicast Paging Music on Hold ACD Messages aS Se Sy A Se Sy NR SIP Account User Options Register Status Activation Label Display Name Register Name User Name Password SIP Server v Server Option Registrar Port Outbound Status Outbound Proxy Backup Outbound Proxy NAT Traversal

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