Yealink SIP-T21 User Manual Download Page 14

Page: 14 / 143

Overview

Icons appearing on the LCD screen are described in the following table:

Icon

Description

Network is unavailable

Registered successfully

Registering

Hands-free speakerphone mode

Handset mode

Headset mode

Multi-lingual lowercase letters input mode

Multi-lingual uppercase letters input mode

Alphanumeric input mode

Numeric input mode

Multi-lingual uppercase and lowercase
letters input mode

Voice Mail

Text Message

Auto Answer

Do Not Disturb

Call Forwarded/Forwarded Calls

Call Hold

Call Mute

Ringer volume is 0

Summary of Contents for SIP-T21

Page 1: ...T 2 1 P T 2 1 U s e r G u i d e...

Page 2: ......

Page 3: ...TO CHANGE WITHOUT NOTICE ALL STATEMENTS INFORMATION AND RECOMMENDATIONS IN THIS GUIDE ARE BELIEVED TO BE ACCURATE AND PRESENTED WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED USERS MUST TAKE FULL RE...

Page 4: ...ncouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connec...

Page 5: ...are under the specific terms of the GPL Please refer to the GPL for the exact terms and conditions of the license The original GPL license source code of components licensed under GPL and used in Yeal...

Page 6: ...1 IP phone If this is your first time using the SIP T21P SIP T21 IP phone we recommend that you first refer to the Quick Installation Guide and Quick Reference Guide available online http www yealink...

Page 7: ...1 IP Phone vi Anonymous Call on page 93 Documentations of the SIP T21 IP phone have also been added Major updates have occurred to the following sections LED Instructions on page 4 Anonymous Call on p...

Page 8: ...omponent Instructions 1 Icon Instructions 3 LED Instructions 4 User Interfaces 5 Phone User Interface 5 Web User Interface 5 Documentations 8 Getting Started 9 Packaging Contents 9 Phone Installation...

Page 9: ...5 Emergency Number 60 Live Dialpad 61 Hotline 62 Basic Call Features 63 Placing Calls 63 Answering Calls 65 Ending Calls 66 Redialing Numbers 67 Recent Call In Dialing 67 Auto Answer 68 Auto Redial 69...

Page 10: ...ging 103 Sending RTP Stream 103 Receiving RTP Stream 105 Music on Hold 106 Automatic Call Distribution ACD 107 Messages 109 Short Message Service SMS 109 Voice Mail 111 Message Waiting Indicator MWI 1...

Page 11: ...User Guide for the SIP T21P SIP T21 IP Phone x...

Page 12: ...dware Component Instructions Icon Instructions LED Instructions User Interfaces Documentations If you require additional information or assistance with your new phone contact your system administrator...

Page 13: ...ese keys to activate up to two accounts and assign various features MESSAGE Key Indicates and accesses voice mails HEADSET Key Toggles the headset mode TRAN Key Transfers a call to another party RD Ke...

Page 14: ...ering Hands free speakerphone mode Handset mode Headset mode Multi lingual lowercase letters input mode Multi lingual uppercase letters input mode Alphanumeric input mode Numeric input mode Multi ling...

Page 15: ...scription Solid green The phone is initializing The phone is busy The phone is idle The call is placed on hold or is held The phone receives a text message or voice mail Fast flashing green 300ms The...

Page 16: ...gs In many cases either the phone user interface and or the web user interface interchangeably However in some cases it is only possible to use one or the other interface to operate the phone and chan...

Page 17: ...he following table Options Phone User Interface Web User Interface Status IP Address MAC Firmware Network Phone Accounts Basic Phone Settings Contrast Language Time Date Administrator Password Key as...

Page 18: ...all Recording Hot Desking Intercom Multicast Paging Music on Hold ACD Messages SIP Account User Options Register Status Activation Label Display Name Register Name User Name Password SIP Server1 2 Ser...

Page 19: ...c setup of the phone In the package English Quick Reference Guide Basic call features and phone customizations In the package English User Guide Phone Web user interface settings Basic call features a...

Page 20: ...Topics include Packaging Contents Phone Installation Phone Initialization Phone Status Basic Network Settings Registration Idle Screen If you require additional information or assistance with your new...

Page 21: ...1P SIP T21 IP Phone 10 Power Adapter Handset Handset Cord Ethernet Cable Quick Installation Guide Quick Reference Guide CD ROM Check the list before installation If you find anything missing contact y...

Page 22: ...nal headset 3 Connect the network and power 1 Attach the stand 2 Connect the handset and optional headset Note 3 Connect the network and power You have two options for power and network connections Yo...

Page 23: ...T21P IP phone can be powered from a PoE compliant switch or hub PoE is not applicable to the SIP T21 IP phone To connect the PoE for the SIP T21P IP phone 1 Connect the Ethernet cable between the Inte...

Page 24: ...user interface Available information of phone status includes Network status e g IPv4 status IPv6 status IP mode and MAC address Phone status e g device model hardware version firmware version product...

Page 25: ...s displayed on the first page of the web user interface If your phone cannot contact a DHCP server for any reason you need to configure network settings manually The IP phone can support either or bot...

Page 26: ...fields respectively 5 Press the Save soft key to accept the change or the Back soft key to cancel To configure a static IPv6 address via phone user interface 1 Press Menu Settings Advanced Settings pa...

Page 27: ...e 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...

Page 28: ...io Settings Contact Management Call History Management System Customizations If you require additional information or assistance with your new phone contact your system administrator You can configure...

Page 29: ...ge for the phone user interface 1 Press Menu Settings Basic Settings Language 2 Press or to select the desired language 3 Press the Save soft key to accept the change Text displayed on the LCD screen...

Page 30: ...SNTP Settings 2 Press or 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 addr...

Page 31: ...soft key to cancel There are 7 available date formats For example for the date format WWW DD MMM WWW represents the abbreviation of the week DD represents the two digit day and MMM represents the fir...

Page 32: ...You can set the or to perform as a send key while dialing To configure key as send via phone user interface 1 Press Menu Features Key as Send 2 Press or or the Switch soft key to select or from the K...

Page 33: ...key and end the call by hanging up the handset or pressing the Speakerphone key Note To activate the keypad lock via phone user interface 1 Press Menu Settings Advanced Settings password admin Keypad...

Page 34: ...rface 1 Press Menu Settings Basic Settings Phone Unlock PIN 2 Enter the current PIN in the Current PIN field 3 Enter the new PIN in the New PIN field 4 Enter the new PIN again in the Confirm PIN field...

Page 35: ...ced Settings password admin Keypad Lock 2 Press or or the Switch soft key to select Disable from Keypad Lock field 3 Press the Save soft key to accept the change Keypad lock is configurable via web us...

Page 36: ...indicate incoming calls You can select different ring tones to distinguish different accounts registered on your phone or to distinguish your phone from your neighbor s To select a ring tone for the p...

Page 37: ...the pull down list of Ring Type If Common is selected this account will use the ring tone selected for the phone Refer to the above instruction 5 Click Confirm to accept the change Note To upload a cu...

Page 38: ...bled column 4 To remove a list from the Enabled column select the desired list and then click The ring tone for an incoming call on the phone may be different For example when the phone receives an in...

Page 39: ...idle The LCD screen displays the list s in the directory If there is only one list in the directory press the Dir soft key to enter this list directly The built in phone directory can store contact n...

Page 40: ...ect the desired group ring tone from the Ring Tones field If Auto is selected this group will use the ring tone assigned to the account For more information on ringtone for an account refer to Ring To...

Page 41: ...ocal directory directly as there is only Local Directory in the directory by default If Local Directory is removed from the directory press Menu Dir Local Directory to enter the local directory 2 Sele...

Page 42: ...Menu Dir Local Directory to enter the local directory 2 Select the desired group and then press the Enter soft key 3 Press the Add soft key 4 Enter the name and the office mobile or other numbers in t...

Page 43: ...l directory from remote phone book 1 Press Menu Dir Remote Phone Book If Remote Phone Book is added to the directory press Dir Remote Phone Book to enter remote phone book 2 Press or to select the des...

Page 44: ...Enter soft key 3 Press or to select the desired contact 4 Press the Option soft key and then select Detail from the prompt list 5 Press or to scroll through the contact information and then edit 6 Pre...

Page 45: ...he local directory directly as there is only Local Directory in the directory by default If Local Directory is removed from the directory press Menu Dir Local Directory to enter the local directory 2...

Page 46: ...racters entered will appear on the LCD screen You can dial from the result list You can search for a contact in your desired lists when the phone is in the dialing screen The lists may contain Local D...

Page 47: ...e handset press the speakerphone or press the line key 2 Enter a few continuous characters of the contact name or number using the keypad The contacts in the enabled search source lists whose name or...

Page 48: ...interface prompts The original contact will be covered Continue 4 Click OK to complete importing the contact list To import a CSV file of contact list via web user interface 1 Click on Directory Local...

Page 49: ...lick Save to save the contact list to your local system Note The built in phone directory can store names and numbers for a blacklist You can store up to 30 contacts in your phone s blacklist add edit...

Page 50: ...y 1 Press the Dir soft key The IP phone enters the local directory directly as there is only Local Directory in the directory by default If Local Directory is removed from the directory press Menu Dir...

Page 51: ...administrator To configure an access URL for remote phone book via web user interface 1 Click on Directory Remote Phone Book 2 Enter the access URL in the Remote URL field 3 Enter the name in the Disp...

Page 52: ...ame or number matches the characters entered will appear on the LCD screen You can dial from the result list To place a call from the corporate directory 1 Press Menu Dir Remote Phone Book If Remote P...

Page 53: ...story place a call add a contact or delete an entry from the call history list You should enable history record in advance To enable history record via phone user interface 1 Press Menu Features Histo...

Page 54: ...3 Press or to scroll to the desired entry 4 Press the Option soft key and then select Add to Contacts or Add to Blacklist from the prompt list 5 Enter the desired values in the corresponding fields an...

Page 55: ...the Cancel soft key to cancel You can upload your custom logo which will be shown on the idle screen To upload a custom logo via web user interface 1 Click on Features General Information 2 Select Cus...

Page 56: ...press the Send soft key then the phone will place a call using the headset automatically For more information on using the headset to place a call refer to Placing Calls on page 63 To deactivate the...

Page 57: ...Keys The details will be introduced in the following The SIP T21P SIP T21 IP phone supports 2 line keys You can assign predefined functionalities to the line keys to have quick access to features such...

Page 58: ...field 7 Optional Enter the corresponding value in the Extension field 8 Press the Save soft key to accept the change or the Back soft key to cancel Line key is configurable via web user interface at t...

Page 59: ...ge Press the DSS key to dial out the voice mail access code you can follow the voice prompt to listen to the voice mails Directed Pickup You can use this key feature to answer someone else s incoming...

Page 60: ...r other digits and then dial out Local Group You can use this key feature to access the group in the local directory quickly For more information refer to Local Directory on page 28 Dependencies Type...

Page 61: ...nterface 2 Enter a few continuous characters of the contact name or number using the keypad The contacts whose name or number matches the characters entered will appear on the LCD screen Conference Yo...

Page 62: ...DSS key to place a new call to the number specified in the Value field Note Hold You can use this key feature to place an active call on hold or retrieve a held call Dependencies Type Key Event Key T...

Page 63: ...set 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...

Page 64: ...e Press the DSS key to immediately lock the keypad of your phone instead of long pressing Directory You can use this key feature to easily access frequently used lists For more information refer to Di...

Page 65: ...d and Sip Server1 2 fields 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 You can repeat steps 2 to 5...

Page 66: ...r patterns for instance to logically combine two or more patterns Example 91 5 7 1 x would match 91511 91618 91715 etc The should be followed by the sequence number of a parenthesis The plus the seque...

Page 67: ...ial Plan Replace Rule 2 Select the desired replace rule by checking the check box 3 Edit the values in the Prefix and Replace fields 4 Enter the desired line ID in the Account field or leave it blank...

Page 68: ...desired value e g 1234 in the Rule field 3 Enter the desired line ID in the Account field or leave it blank For more information on the valid values of Account field refer to Replace Rule on page 55...

Page 69: ...eas in a country This feature is necessary only when dialing the number outside the code area For example area code is configured as Code 0592 Min Length 4 Max Length 11 then when you dial out the num...

Page 70: ...you dial a block out number on your phone the dialing will fail and the LCD screen will prompt Forbidden Number You can add 10 block out rules at most on your phone To add a block out number via web...

Page 71: ...er 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 emergenc...

Page 72: ...T21 IP phone which enables the IP phone to automatically dial out the phone number without pressing the send key You can also configure a delay where the phone will dial out the phone number automati...

Page 73: ...phone will dial out the hotline number automatically after the specified period of time To configure the hot line number via phone user interface 1 Press Menu Features Hotline 2 Enter the desired num...

Page 74: ...1 IP phone Topics include Placing Calls Answering Calls Ending Calls Redialing Numbers Recent Call In Dialing Auto Answer Auto Redial Call Completion Call Return Call Mute Call Hold Resume Do Not Dist...

Page 75: ...set 1 Pick up the handset 2 Enter the desired number using the keypad 3 Press or the Send soft key The key is configured as a send key by default You can also set the key as the send key or set neithe...

Page 76: ...s or the Send soft key Press the Hold soft key to place the original call on hold Press the NewCall soft key Enter the desired number using the keypad Press or the Send soft key You can press or to sw...

Page 77: ...all using the headset Do one of the following Press 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 Answerin...

Page 78: ...ct the desired entry and then press or the Send soft key You can view the placed calls list when the phone is in the pre dialing screen To do this you should enable recent call in dialing in advance T...

Page 79: ...ou can use auto answer to automatically answer an incoming call on a line Auto answer is configurable on a per line basis To configure auto answer via phone user interface 1 Press Menu Settings Advanc...

Page 80: ...Press or or the Switch soft key to select Enable from the Auto Redial field 3 Enter the desired time in the Interval field The default time interval is 10s 4 Enter the desired times in the Times field...

Page 81: ...caller who failed to reach a desired callee when the callee becomes available to receive a call To configure call completion via phone user interface 1 Press Menu Features Call Completion 2 Press or...

Page 82: ...DSS Keys 2 Select a desired DSS key 3 Press or or the Switch soft key to select Key Event from the Type field 4 Press or or the Switch soft key to select Call Return from the Key Type field 5 Press t...

Page 83: ...ace a call on hold 1 Press the Hold soft key during a call The line key LED flashes green The LCD screen indicates that the call is on hold Note To resume a held call 1 Press the Resume soft key Multi...

Page 84: ...D modes Phone default DND is effective for the phone system Custom DND can be configured for each or all accounts You can receive incoming calls from authorized numbers when DND is enabled To configur...

Page 85: ...e phone is idle The LCD screen displays a list of accounts on the phone 2 Press or to select the desired account 3 Press or soft key to select On to active DND 4 Press the Save soft key to accept the...

Page 86: ...n indicates the number of the missed calls will appear on the LCD screen Note To configure the DND authorized numbers via web user interface 1 Click on Features Forward DND 2 Select Enabled from the...

Page 87: ...e to forward incoming calls to another party by the static forwarding You can also forward calls while your phone is ringing refer to the dynamic forwarding Static Forwarding Three types of static for...

Page 88: ...igure the call forward mode via web user interface 1 Click on Features Forward DND 2 In the Forward block mark the desired radio box in the Mode field 3 Click Confirm to accept the change Note To enab...

Page 89: ...lect Busy Forward 1 Press or or the Switch soft key to select Enable from the Busy field 2 Enter the destination number you want to forward all incoming calls to when the phone is busy in the Forward...

Page 90: ...warding type and then press the Enter soft key 4 Depending on your selection a If you select Always Forward you can enable it for a specific account 1 Press or or the Switch soft key to select Enable...

Page 91: ...busy forward was enabled for a specific account do the following 1 Press or to scroll to the Busy field 2 Press the All Lines soft key The LCD screen prompts Copy to All Lines 3 Press the OK soft key...

Page 92: ...and the associate line icon changes to Call forward is configurable via web user interface at the path Features Forward DND Note To disable call forward in phone mode Do one of the following Press wh...

Page 93: ...the change Dynamic Forwarding To forward an incoming call to another party 1 When the phone is ringing press the Fwd soft key 2 Enter the number you want to forward the incoming call to 3 Press or the...

Page 94: ...Remote Phone Book on page 40 for more information 3 Press the Send soft key or to dial out 4 Press or the Tran soft key to complete call transfer when receiving the ringback To perform an attended tra...

Page 95: ...ting via phone user interface 1 Press Menu Features Call Waiting 2 Press or or the Switch soft key to select Enable from the Call Waiting field 3 Press or or the Switch soft key to select Enable from...

Page 96: ...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...

Page 97: ...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 place a new call The active call is placed on hold 3 Enter the number of the se...

Page 98: ...u Features DSS Keys 2 Select the desired DSS key 3 Press or or the Switch soft key to select Key Event from the Type field 4 Press or or the Switch soft key to select Call Park from the Key Type field...

Page 99: ...re information You can pick up an incoming call by using the DPickup GPickup soft key To use call pickup you need to configure the call pickup code beforehand on a global or per line basis via web use...

Page 100: ...global basis via web user interface 1 Click on Features Call Pickup 2 Enter the directed call pickup code in the Directed Call Pickup Code field 3 Click Confirm to accept the change To configure the...

Page 101: ...kup soft key appears on the LCD screen 2 Press the DPickup soft key on your phone when a phone receives an incoming call 3 Enter the phone number which receives an incoming call 4 Press the DPickup so...

Page 102: ...kup 2 Select Enabled from the pull down list of Group Call Pickup 3 Click Confirm to accept the change To configure the group call pickup code on a global basis via web user interface 1 Click on Featu...

Page 103: ...e pull down list of Account 3 Click on Advanced 4 Enter the group call pickup code in the Group Call Pickup Code field 5 Click Confirm to accept the change To pick up a call in the group 1 Pick up the...

Page 104: ...ss or or the Switch soft key to select the desired line from the Line ID field 3 Press or to select Enable from the Send Anonymous field 4 Optional Press or to select the desired value from the Anonym...

Page 105: ...igurable on a per line basis To configure anonymous call rejection via phone user interface 1 Press Menu Features Anonymous Call 2 Press or or the Switch soft key to select the desired line from the L...

Page 106: ...key on the phone for monitoring the status of a friend s line busy or idle The BLF key LED illuminates solid green when the friend s line is in use For more information on BLF key LED indications ref...

Page 107: ...incoming call You can also enable visual alert for BLF pickup feature on the phone This allows the LCD screen of the monitoring phone to display the caller ID when the monitored line receives an inco...

Page 108: ...supports record and URL record Two ways of call recording Record The phone sends SIP INFO message containing a specific header Record on off to trigger a recording URL Record The phone sends HTTP URL...

Page 109: ...the change or the Back soft key to cancel Record and URL record keys are configurable via web user interface at the path DSSKey Line Key The record and URL record keys control the recording and are av...

Page 110: ...oyee 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 a...

Page 111: ...use hot desking 1 Press the hot desking key when the phone is idle The LCD screen prompts Clear all account config 2 Press the OK soft key registration configurations e g display name register name us...

Page 112: ...d 6 Press the Save soft key to accept the change or the Back soft key to cancel Intercom key is configurable via web user interface at the path DSSKey Line key To place an intercom call 1 Press the in...

Page 113: ...Menu Features Intercom 2 Make the desired changes Press or to switch between different intercom features 3 Press the Save soft key to accept the change or the Back soft key to cancel These specific pa...

Page 114: ...s an incoming intercom call like a waiting call Intercom Barge is disabled by default You can use multicast paging to quickly and easily forward time sensitive announcements out to people within the m...

Page 115: ...General Information 2 Select the desired codec from the pull down list of Multicast Codec The default codec is G722 3 Click Confirm to accept the change Note To send RTP stream 1 Press the multicast p...

Page 116: ...ive call it will be ignored automatically If Disabled is selected from the pull down list of Paging Barge the voice call in progress takes precedence over all incoming multicast paging calls Valid val...

Page 117: ...to accept the change Note Music on hold MoH is the business practice of playing recorded music to fill the silence that would be heard by the party placed on hold To use this feature you should speci...

Page 118: ...enter The ACD system handles large volumes 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 opportun...

Page 119: ...the ACD key to log into the ACD system After logging in you are ready to receive calls from the ACD system You can press the ACD key to show your current ACD user status You can press the Available U...

Page 120: ...x Sentbox Outbox or Draftbox Each of the boxes can store up to 100 text messages If the number of the text messages in one box is more than 100 the phone will directly delete the oldest text message i...

Page 121: ...ssage or the Back soft key to cancel Sending a text message is configurable via web user interface at the path Features SMS To reply a text message 1 Press Menu Messages Text Message Inbox 2 Select th...

Page 122: ...ls 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 LCD screen will display a prompt message and flashing...

Page 123: ...ess code 2 Follow the voice prompt to listen to voice mails Note To view voice mails via phone user interface 1 Press Menu Messages Voice Mail View Voice Mail The LCD screen displays the amount of new...

Page 124: ...ice MWI Subscription Period Period of MWI subscription The IP phone sends a refresh SUBSCRIBE request before initial SUBSCRIBE expiration Subscribe MWI to Voice Mail Enable or disable a subscription t...

Page 125: ...ne will subscribe to the account number for MWI service by default To enable Subscribe MWI to Voice Mail via web user interface 1 Click on Account 2 Select the desired account from the pull down list...

Page 126: ...atures 115 6 Click Confirm to accept the change The IP phone will subscribe to the voice mail number for MWI service using Subscribe MWI to Voice Mail Note MWI subscription is configurable via web use...

Page 127: ...User Guide for the SIP T21P SIP T21 IP Phone 116...

Page 128: ...ne display Network Unavailable Ensure that the Ethernet cable is plugged into the Internet port on the phone and the Ethernet cable is not loose Ensure that the switch or hub in your network is operat...

Page 129: ...different handset or headset to isolate the problem Why doesn t the phone ring Check that the ringer volume on the phone To adjust the ringer volume setting press the Volume key when the phone is idl...

Page 130: ...allee s LCD screen Server configurations may override local configurations Why does the phone play a tone when there is a call on hold How to disable it When there is a call on hold the phone will pla...

Page 131: ...and Confirm Password field 4 Click Confirm to accept the change Note How to make a call using SRTP You can enable SRTP to encrypt the audio stream s of phone calls The parties participating in the cal...

Page 132: ...on SRTP 5 Click Confirm to accept the change Note How to reboot the phone To reboot the phone via web user interface 1 Click on Settings Upgrade SRTP is not available on all servers Contact your syste...

Page 133: ...ce to help analyze your problem To export a PCAP trace via web user interface 1 Click on Settings Configuration 2 Click Start to start recording signal traffic 3 Recreate the error to be documented in...

Page 134: ...n to local PC To export the system log to local PC via web user interface 1 Click on Settings Configuration 2 Select 6 from the pull down list of System Log Level The default system log level is 3 3 C...

Page 135: ...more information Note How to export import phone configurations We may need you to provide the phone configurations to help analyze your problem In some instance you may need to import configurations...

Page 136: ...3 Click Import to import the configuration file Note How to upgrade firmware To upgrade firmware via web user interface 1 Click on Settings Upgrade 2 Click Browse to locate the firmware from your loc...

Page 137: ...trator for advice before resetting the phone To reset the phone via phone user interface 1 Press Menu Settings Advanced Settings password admin 2 Press or to scroll to Reset to Factory and then press...

Page 138: ...following basic safety precautions should always be followed to reduce risk of fire electrical shock and other personal injury General Requirements Before you install and use the device read the safe...

Page 139: ...kind on the product or use the 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 malfunc...

Page 140: ...Havana 05 00 United States Eastern Time 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...

Page 141: ...Iran Teheran 04 00 Armenia Yerevan 04 00 Azerbaijan Baku 04 00 Georgia Tbilisi 04 00 Kazakhstan Aktau 04 00 Russia Samara 04 30 Afghanistan 05 00 Kazakhstan Aqtobe 05 00 Kyrgyzstan Bishkek 05 00 Pakis...

Page 142: ...e 84 Contact Management 27 Contrast 17 Copyright ii Customizing Your Phone 17 D Declaration of Conformity ii Deleting Contacts 33 Deleting Groups 30 Dial now 57 Dial Plan 55 Directory 27 Do Not Distur...

Page 143: ...ing Calls to Contacts 34 Programmable Keys 53 R Receiving RTP Stream 105 Recent Call In Dialing 67 Redialing Numbers 67 Registration 16 Regulatory Notices 127 Remote Phone Book 40 Replace Rule 55 Ring...

Search results

Summary of Contents for SIP-T21

Reviews:

Related manuals for SIP-T21

Brands by name

Popular brands

Yealink SIP-T21, User Manual

Search results

Summary of Contents for SIP-T21

Reviews:

Related manuals for SIP-T21

Brands by name

Popular brands