Yealink SIP-21P E2 User Manual Download Page 10

Page: 10 / 156

User Guide for the SIP-T21(P) E2 IP Phone

Summary of Contents for SIP-21P E2

Page 1: ......

Page 2: ...T 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 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 MERCHAN...

Page 3: ...encouraged 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 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experience radio TV technician for help To avoid the potential effects on...

Page 4: ...oftware 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 Yealink products can be downloaded online http www yealink com GPLOpenSource aspx BaseInfoCateId 293 NewsCateId 293 CateId 293 ...

Page 5: ...ur system administrator that the IP network is ready for phone configuration Also be sure to read the Packaging Contents and Regulatory Notices sections in this guide before you set up and use the SIP T21 P E2 IP phone Note Topics provided in this guide include Chapter 1 Overview Chapter 2 Getting Started Chapter 3 Customizing Your Phone Chapter 4 Basic Call Features Chapter 5 Advanced Phone Featu...

Page 6: ...User Guide for the SIP T21 P E2 IP Phone vi ...

Page 7: ... User Interface 6 Documentations 8 Getting Started 9 Packaging Contents 9 Optional Accessories 10 Phone Installation 11 Phone Initialization 13 Phone Status 13 Basic Network Settings 15 Registration 17 Idle Screen 17 Customizing Your Phone 19 General Settings 19 Contrast 19 Backlight 20 Language 20 Time Date 21 Administrator Password 23 Key as Send 24 Phone Lock 24 Audio Settings 27 Volume 27 Ring...

Page 8: ...lpad 67 Hotline 68 Basic Call Features 69 Placing Calls 69 Answering Calls 71 Ending Calls 73 Redialing Numbers 73 Recent Call In Dialing 74 Auto Answer 75 Auto Redial 76 Call Completion 77 ReCall 78 Call Mute 79 Call Hold Resume 79 Do Not Disturb DND 80 Call Forward 83 Call Transfer 90 Call Waiting 91 Conference 92 Local Conference 92 Network Conference 93 Call Park 94 Call Pickup 96 Anonymous Ca...

Page 9: ...ing RTP Stream 116 Receiving RTP Stream 118 Using Multicast Paging 120 Music on Hold 121 Automatic Call Distribution ACD 122 Messages 124 Short Message Service SMS 124 Voice Mail 126 Message Waiting Indicator MWI 128 Troubleshooting 131 Regulatory Notices 141 Service Agreements 141 Limitations of Liability 141 Safety Instructions 141 Appendix A Time Zones 143 Index 145 ...

Page 10: ...User Guide for the SIP T21 P E2 IP Phone x ...

Page 11: ...rdware Component Instructions Icon Instructions LED Instructions User Interfaces Documentations If you require additional information or assistance with your new phone contact your system administrator The main hardware components of the SIP T21 P E2 IP phone are the LCD screen and the keypad ...

Page 12: ... incoming calls mutes or un mutes calls MESSAGE Key Indicates and accesses voice mails HEADSET Key Toggles the headset mode TRAN Key Transfers a call to another party RD Key Redials a previously dialed number Speakerphone Key Toggles the hands free speakerphone mode Volume Key Adjusts the volume of the handset headset speaker and ringer Keypad Provides the digits letters and special characters in ...

Page 13: ...tering 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 Ringer volume is 0 Phone Lock ...

Page 14: ...Power Indicator LED LED Status Description Solid red The phone is initializing Fast flashing red 300ms The phone is ringing Slow flashing red 1s The phone receives a voice mail or text message Off The phone is powered off The phone is idle The phone is busy The call is placed on hold or is held The call is muted Line key LED LED Status Description Solid green The line is seized The line is in conv...

Page 15: ...P phone The user interface on the IP phone The user interface in a web browser on 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 cases either the phone u...

Page 16: ...terface 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 administrator user name and password are both admin case sensitive The options you can use to customize the IP phone via phone user interface and or via web user interface...

Page 17: ...all Completion ReCall Do Not Disturb DND Call Forward Call Transfer Call Waiting Conference x Call Park Call Pickup Anonymous Call Anonymous Call Rejection Advanced Phone Features Busy Lamp Field BLF BLF List x Call Recording Hot Desking Intercom Multicast Paging x Music on Hold x Automatic Call Distribution ACD x Messages SIP Account User Options x Register Status Account Status Label Display Nam...

Page 18: ...ollowing table shows documentations available for the SIP T21 P E2 IP phone Name Contents Where found Language Quick Start Guide Basic call features and phone customizations In the package English User Guide Phone Web user interface settings Basic call features and advanced phone features On the website English The table above lists most of the feature options Please refer to the relevant sections...

Page 19: ...IP phone 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 phone contact your system administrator The following components are included in your SIP T21 P E2 IP phone package SIP T21 P E2 IP Phone ...

Page 20: ...andset Cord Ethernet Cable Quick Start Guide Check the list before installation If you find anything missing contact your system administrator The following items are optional accessories for your SIP T21 P E2 IP phone You need to purchase them separately if required ...

Page 21: ...t If your phone is already installed proceed to Phone Initialization on page 13 This section introduces how to install the phone 1 Attach the stand 2 Connect the handset and optional headset 3 Connect the network and power 1 Attach the stand ...

Page 22: ...DC5V port on the phone and connect the other end of the power adapter into an electrical power outlet 2 Connect the included or a standard Ethernet cable between the Internet port on the phone and the one on the wall or switch hub device port Power over Ethernet With the included or a regular Ethernet cable the SIP T21P E2 IP phone can be powered from a PoE compliant switch or hub To connect the P...

Page 23: ... DNS address by default Note You can view phone status via phone user interface or web 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 Product Name Hardware Firmware Product ID MAC address and Device Cert If in line power is provided you don t need to connect the phone to the power adapter Make sure t...

Page 24: ...ess or to scroll through the list and view the specific information To view the phone status via web user interface 1 Open a web browser of your computer 2 Enter the IP address in the browser s address bar and then press Enter 3 Enter the user name admin and password admin in the login page 4 Click Confirm to login You can view device certificate status via phone user interface only ...

Page 25: ...e 1 Press Menu Settings Advanced Settings default password admin Network WAN Port 2 Press or or the Switch soft key to select IPv4 IPv6 or IPv4 IPv6 from the IP Mode field 3 Press the Save soft key to accept the change or the Back soft key to cancel To configure a static IPv4 address via phone user interface 1 Press Menu Settings Advanced Settings default password admin Network WAN Port Make sure ...

Page 26: ...d then press the Enter soft key 4 Enter the desired values in the IPv6 IP IPv6 IP Prefix Default Gateway IPv6 Pri DNS and IPv6 Sec DNS fields respectively 5 Press the Save soft key to accept the change or the Back soft key to cancel If you are using an xDSL modem you can connect your phone to the Internet via PPPoE mode Set the WAN port as a PPPoE port The PPPoE port will perform a PPP negotiation...

Page 27: ...ready for use The SIP T21 P E2 IP phone supports up to 2 accounts 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 59 If the phone has successfully started up the idle LCD screen will be displayed as below The idle screen displays the label of current account time and date and four soft keys Wrong net...

Page 28: ...User Guide for the SIP T21 P E2 IP Phone 18 ...

Page 29: ...s 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 the LCD screen contrast of SIP T21 P E2 to a comfortable level To configure the contrast via phone user interface 1 Press Menu Settings Basic Settings Display Contrast 2 Press or or the Switch soft key to incr...

Page 30: ...2 Press or or the Switch soft key to select the desired type from the Backlight Time field 3 Press the Save soft key to accept the change or the Back soft key to cancel Backlight is configurable via web user interface at the path Settings Preference The default language of the phone user interface is English If the language of your web browser is not supported by the phone the web user interface w...

Page 31: ... time and date from the SNTP server automatically or configure the time and date manually If the phone cannot obtain the time and date from the Simple Network Time Protocol SNTP server contact your system administrator for more information To configure the SNTP settings via phone user interface 1 Press Menu Settings Basic Settings Time Date SNTP Settings 2 Press or or the Switch soft key to select...

Page 32: ...on the LCD screen will change accordingly To configure the time and date format via phone user interface 1 Press Menu Settings Basic Settings Time Date Time Date Format 2 Press or or the Switch soft key to select the desired time format 12 Hour or 24 Hour from the Time Format field 3 Press or or the Switch soft key to select the desired date format from the Date Format field 4 Press the Save soft ...

Page 33: ...default administrator password is admin For security reasons you should change the default administrator password as soon as possible To change the administrator password via phone user interface 1 Press Menu Settings Advanced Settings default password admin Set Password 2 Enter the current password in the Current PWD field 3 Enter the new password in the New PWD field 4 Re enter the new password ...

Page 34: ...following Menu Key The Menu soft key is locked You cannot access the menu of the phone until unlocked Function Keys The function keys are locked You cannot use the MESSAGE RD TRAN OK X navigation key and soft keys until unlocked All Keys All keys are locked except the Volume key digit keys and speakerphone key You are only allowed to dial emergency numbers reject incoming calls by pressing the X k...

Page 35: ...one will not be automatically locked You need to long press to lock it immediately when the phone is idle If set to other values except 0 e g 5 the phone will be locked when the phone is inactive in idle screen for the designated time in seconds 5 Press the Save soft key to accept the change When the phone is locked the LCD screen prompts Phone locked and displays the icon To unlock the phone you ...

Page 36: ...y to unlock the phone The icon disappears from the LCD screen You can long press or wait for a period of time if configured to lock the phone again Note To deactivate the phone lock via phone user interface 1 Press Menu Settings Advanced Settings default password admin Phone Lock 2 Press or or the Switch soft key to select Disabled from Lock Enable field 3 Press the Save soft key to accept the cha...

Page 37: ...he phone is in use To adjust the volume when the phone is idle 1 Press to adjust the ringer volume Note To adjust the volume when the phone is during a call 1 Press to adjust the volume of currently engaged audio device handset speakerphone or headset Ring tones are used to indicate incoming calls You can select different ring tones to distinguish different accounts registered on your phone or to ...

Page 38: ...ess the Save soft key to accept the change or the Back soft key to cancel A ring tone for the phone is configurable via web user interface at the path Settings Preference Ring Type To select a ring tone for the account via phone user interface 1 Press Menu Settings Basic Settings Sound Ring Tones 2 Press or to select the desired account and then press the Enter soft key 3 Press or to select the de...

Page 39: ... Note 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 local directory refer to Adding Contacts If no ring tone is assigned to the contact the phone will play the ring tone assigned to the associated group refer to Adding Groups...

Page 40: ...nd LDAP To configure the directory via web user interface 1 Click on Directory Setting 2 In the Directory block select the desired list from the Disabled column and then click The selected list appears in the Enabled column 3 Repeat step 2 to add more lists to the Enabled column 4 To remove a list from the Enabled column select the desired list and then click 5 To adjust the display order of enabl...

Page 41: ... for a contact or simply dial a contact number from the local directory To add a group to the local directory 1 Press the Dir soft key The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default If Local Directory is removed from the directory press Menu Directory Local Directory to enter the local directory Directory is configurable via we...

Page 42: ...formation on the ring tone for the account refer to Ring Tones on page 27 5 Press the Add soft key to accept the change or the Back soft key to cancel You can also edit or delete any newly added contact groups To edit a group in the local directory 1 Press the Dir soft key The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default If Local...

Page 43: ...nabled in the directory by default If Local Directory is removed from the directory press Menu Directory Local Directory to enter the local directory 2 Select the desired group 3 Press the Option soft key and then select Delete The LCD screen prompts the following warning 4 Press the OK soft key to confirm the deletion or the Cancel soft key to cancel You can also delete all groups by pressing the...

Page 44: ...the Enter soft key 3 Press the Add soft key 4 Enter the name and the office mobile or other numbers in the corresponding fields 5 Press or or the Switch soft key to select the desired account from the Account field If Auto is selected the phone will use the default account when placing calls to the contact from the local directory 6 Press or or the Switch soft key to select the desired ring tone f...

Page 45: ...tory Remote Phone Book If Remote Phone Book is added to the directory press Dir Remote Phone Book to enter the remote phone book 2 Select the desired remote group and then press the Enter soft key 3 Press or to highlight the desired entry 4 Press the Option soft key and then select Add to Contacts from the prompt list 5 Press the Save soft key to save the contact in the local directory If the cont...

Page 46: ...group and then press the Enter soft key 3 Press or to highlight the desired contact 4 Press the Option soft key and then select Detail 5 Press or to highlight the contact information and then edit 6 Press the Save soft key to accept change or the Back soft key to cancel To delete a contact from the local directory 1 Press the Dir soft key The IP phone enters the local directory directly as there i...

Page 47: ... IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default If Local Directory is removed from the directory press Menu Directory Local Directory to enter the local directory 2 Select the desired contact group and then press the Enter soft key 3 Press or to highlight the desired contact 4 Do one of the following If only one number of the conta...

Page 48: ...he contacts whose name or phone number matches the characters entered will appear on the LCD screen You can dial from the result list You can search for a contact from the desired lists when the phone is in the dialing screen The lists can be Local Directory History Remote Phone Book and LDAP To configure search source list in dialing via web user interface 1 Click on Directory Setting 2 In the Se...

Page 49: ...ine key 2 Enter a few continuous characters of the entry s name or continuous numbers of the entry s phone number office mobile or other number using the keypad The entries in the enabled search source lists whose name or phone number matches the characters entered will appear on the LCD screen You can press or to scroll to the desired entry and then place a call to the entry Search source list in...

Page 50: ...he web user 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 Directory 2 Click Browse to locate a contact list file file format must be csv from your local system 3 Optional Check the Show Title checkbox It will prevent importing the title of the c...

Page 51: ...the contact list to your local system Note The built in phone directory can store names and phone numbers for a blacklist You can store up to 30 contacts add edit delete or search for a contact in the blacklist directory and even call a contact from the blacklist directory Incoming calls from blacklist directory contacts will be rejected automatically To add a contact to the blacklist directory ma...

Page 52: ...ir soft key The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default If Local Directory is removed from the directory press Menu Directory Local Directory to enter the local directory 2 Select the desired contact group and then press the Enter soft key 3 Press or to highlight the desired contact 4 Press the Option soft key and then selec...

Page 53: ...field 3 Enter the name in the Display Name field 4 Click Confirm to accept the change Note To access your remote phone book via phone user interface 1 Press Menu Directory Remote Phone Book If Remote Phone Book is added to the directory press Dir Remote Phone Book to enter the remote phone book 2 Press or to select the desired remote group and then press the Enter soft key The phone then connects ...

Page 54: ...ar on the LCD screen You can place a call from the result list To place a call from the remote phone book 1 Press Menu Directory Remote Phone Book If Remote Phone Book is added to the directory press Dir Remote Phone Book to enter the remote phone book 2 Select the desired remote group and then press the Enter soft key to load the remote phone book 3 Select the desired contact in the remote phone ...

Page 55: ... the call history list History record feature is enabled by default If you don t want to save the call history you can disable the feature To disable history record via phone user interface 1 Press Menu Features History Setting 2 Press or or the Switch soft key to select Disabled from the History Record field 3 Press the Save soft key to accept the change or the Back soft key to cancel To view the...

Page 56: ...ed 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 5 Enter the desired values in the corresponding fields 6 Press the Save soft key For more information refer to Contact Management on page 30 To delete an entry from the call history list 1 Press the History soft key 2 Press or to switch between All Cal...

Page 57: ...ancel 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 Custom Logo from the pull down list of Use Logo 3 Click Browse to locate the logo file from your local system 4 Click Upload to upload the file ...

Page 58: ...t key the phone will then place a call using the headset automatically For more information on using the headset to place a call refer to Placing Calls on page 69 To deactivate the headset mode 1 Press again on the phone The headset icon disappears from the idle screen indicates the headset mode is deactivated You can use headset in priority when headset prior feature is enabled This feature is es...

Page 59: ...u must physically connect headsets to the headset jack and handset jack respectively Once the phone connects to a call the headset connected to the headset jack will have full duplex capabilities while the one connected to the handset jack will only be able to listen If headset prior is enabled the headset mode will not be deactivated until you press the Headset key again If headset prior is disab...

Page 60: ...so define a label for a line key feature which will appear on the LCD screen Line keys allow you to quickly access features such as recall and voice mail The line key LEDs will indicate the monitored status when the line keys are assigned with particular features such as BLF The default key type of each line key is Line To assign functionality to a line key via phone user interface 1 Press Menu Fe...

Page 61: ...SKey Line Key Note Line key features are explained in the following subchapters in detail Line Speed Dial Voice Mail Direct Pickup Group Pickup DTMF Prefix Local Group XML Group XML Brower LDAP Conference Forward Transfer Hold DND SMS Group Listening Zero Touch URL Phone Lock Directory For the features not listed above refer to Basic Call Features on page 69 and Advanced Phone Features on page 105...

Page 62: ...y to dial out the number specified in the Value field using the account selected from the Account ID field Voice Mail You can use this key feature to quickly connect voice mail For more information refer to Voice Mail on page 126 Dependencies Type Key Event Key Type Voice Mail Account ID the account this feature will be applied to Value the voice mail access code Usage Press the DSS key to dial ou...

Page 63: ...dencies Type Key Event Key Type Prefix Value the prefix number Usage Press the DSS key when the phone is idle the phone will then enter the pre dialing screen and display the prefix number that you specified in the Value field You can enter the remaining digits and then dial out Local Group You can use this key feature to quickly access a contact group in the local directory For more information r...

Page 64: ...ld LDAP You can use this key feature to quickly access a LDAP search screen Dependencies Type Key Event Key Type LDAP Usage 1 Press the DSS key to access the LDAP search screen 2 Enter a few continuous characters of the contact name or continuous numbers of the contact number using the keypad Conference You can use this key feature to set up a conference call For more information refer to Conferen...

Page 65: ...the transfer mode on DSS key is New Call press the 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 Type 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...

Page 66: ...one and Handset Headset mode at the same time It is suitable for the group conversations which have more than one person present at one end You are able to speak and listen through the handset headset while the others nearby can only listen through the speaker Dependencies Type Key Event Key Type Group Listening Usage 1 During a call press the DSS key to activate the group listening mode You can t...

Page 67: ...d in the HTTP GET request Usage Press the DSS key to trigger the phone to send an HTTP GET request containing the URL specified in the Value field Phone Lock You can use this key feature to immediately lock your phone instead of long pressing For more information refer to Phone Lock on page 24 Dependencies Type Phone Lock Usage Press the DSS key to immediately lock your phone instead of long press...

Page 68: ...an press the keys on the phone to perform the features you configured For example Switch Account Up You can press this key to switch default account Dependencies Type Switch Account Up Usage Press the programmable key to scroll up the account list to select the desired default account Switch Account Down You can press this key to switch default account Dependencies Type Switch Account Down Usage P...

Page 69: ...ds 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 to register more accounts To disable an account via phone user interface 1 Press Menu Settings Advanced Settings default password admin Accounts 2 Select the desired account and then press the Enter soft key 3 Select Disabl...

Page 70: ...ow Area Code 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 x An x can be used as a placeholder for any character Example 12x would match 121 122 123 12a etc Numeric ranges are allowed within the brackets Digit Digit Example 5 7 would match the number 5 6 or 7 The...

Page 71: ... it with another string You can configure a pattern with wildcards refer to the expression syntax in the table above so that any string that matches the pattern will be replaced This feature is convenient for you to dial out a long number For example a replace rule is configured as Prefix 1 and Replace 1234 When trying to dial out the number 1234 you just need to enter 1 on the phone and then pres...

Page 72: ...configure one or more dial now rules up to 100 on your phone When the dialed number matches the dial now string the number will be dialed out automatically For example a dial now rule is configured as 1xx any entered three digit string beginning with 1 will then be dialed out automatically on the phone To add a dial now rule via web user interface 1 Click on Settings Dial Plan Dial now 2 Enter the...

Page 73: ...ime for Dial now Rule You can configure the delay time for dial now rules That is you can configure your phone to automatically dial out the phone number which matches a dial now rule after the designated delay time To configure the delay time for dial now rule via web user interface 1 Click on Features General Information You can also edit or delete the dial now rule refer to Replace Rule on page...

Page 74: ... code is configured as Code 0592 Min Length 1 Max Length 15 When you dial out the number 56789 the length of the number is between 1 and 15 the phone will add the area code and dial out the number 059256789 You can only configure one area code rule on your phone To configure the area code via web user interface 1 Click on Settings Dial Plan Area Code 2 Enter the desired values in the Code Min Leng...

Page 75: ...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 Settings Dial Plan Block Out 2 Enter the desired value in the BlockOut Number field 3 Enter the desired line ID in the Account field or leave it blank The default values of minimum and maximum length are 1 and 15 respectively Area c...

Page 76: ...iffer from country to country It is typically a three digit number so that it can be easily remembered and dialed quickly Some countries have a different emergency number for each of the different emergency services You can specify the emergency telephone numbers on the IP phone for contacting the emergency services in an emergency situation Note To specify emergency numbers via web user interface...

Page 77: ...one to automatically dial out a phone number without the pressing of the send key You can also configure a delay where the phone will dial out the phone number automatically after the designated period of time To enable live dialpad via web user interface 1 Click on Settings Preference 2 Select Enabled from the pull down list of Live Dialpad 3 Enter the desired delay time in the Inter Digit Time 1...

Page 78: ...cally after the designated period of time To configure the hot line number via phone user interface 1 Press Menu Features Hot Line 2 Enter the desired number in the Hot Number field 3 Enter the delay time in the Hotline Delay field The valid values range from 0 to 10 seconds and the default value is 4 4 Press the Save soft key to accept the change or the Back soft key to cancel Hotline is configur...

Page 79: ...IP phone Topics include Placing Calls Answering Calls Ending Calls Redialing Numbers Recent Call In Dialing Auto Answer Auto Redial Call Completion ReCall Call Mute Call Hold Resume Do Not Disturb DND Call Forward Call Transfer Call Waiting Conference Call Park Call Pickup Anonymous Call Anonymous Call Rejection If you require additional information or assistance with your new phone contact your s...

Page 80: ... 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 neither For more information refer to Key as Send on page 24 Note To place a call using the hands free speakerphone mode Do one of the following With the handset on hook press or the line key to obtain a dial ...

Page 81: ...tiple calls You can have more than one call on your SIP T21 P E2 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 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 t...

Page 82: ...ne 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 Answering When in Another Call If 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 acces...

Page 83: ... you are using the headset press the EndCall soft key If you are using the speakerphone press or the EndCall soft key To redial the last dialed number from your phone 1 Press twice A call to your last dialed number is attempted To redial a previously dialed number from your phone 1 Press when the phone is idle 2 Press or to select the desired entry from the placed calls list and then press or the ...

Page 84: ... web user interface 1 Click on Directory Setting 2 Select Enabled from the pull down list of Recent Call In Dialing 3 Click Confirm to accept the change Note To view placed calls list when the phone is in the pre dialing screen 1 Pick up the handset press the speakerphone or press the line key The LCD screen displays the placed calls list Recent call in dialing is configurable via web user interfa...

Page 85: ...ess or or the Switch soft key to select the desired account from the Line ID field 3 Press or or the Switch soft key to select Enabled from the Status field 4 Press the Save soft key to accept the change or the Back soft key to cancel The icon appears on the LCD screen Auto answer is configurable via web user interface at the path Account Basic Note Auto answer is only applicable when there is no ...

Page 86: ... Auto Redial field 3 Enter the desired time in seconds in the Redial Interval field The default time interval is 10 seconds 4 Enter the desired number of redial attempts in the Redial Times field The default times are 10 5 Press the Save soft key to accept the change or the Back soft key to cancel Auto redial is configurable via web user interface at the path Features General Information To use au...

Page 87: ...call completion via phone user interface 1 Press Menu Features Call Completion 2 Press or or the Switch soft key to select Enabled from the Call Completion field 3 Press the Save soft key to accept the change or the Back soft key to cancel Call completion is configurable via web user interface at the path Features General Information To use call completion When the called party is busy the followi...

Page 88: ...via phone user interface 1 Press Menu Features 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 ReCall from the Key Type field 5 Press the Save soft key to accept the change or the Back soft key to cancel Recall key is configurable via web user interface at the path DSSKey Line Key Call complet...

Page 89: ...s again to un mute the call You can place an active call on hold Only one active call can be in progress at any time Other calls can be made and received while placing the original call on hold When you place a call on hold your IP PBX may play music to the other party while waiting To place a call on hold 1 Press the Hold soft key during a call The line key LED flashes green The LCD screen indica...

Page 90: ...will appear on the LCD screen and callers will receive a busy message All calls you receive while DND is enabled are logged to your missed calls list Note You can enable disable DND for the phone system or you can customize DND for each or all accounts Two DND modes Phone default DND is effective for the phone system Custom DND can be configured for each or all accounts You can receive incoming ca...

Page 91: ...he status bar indicates that DND is enabled Incoming calls will be rejected automatically and n New Missed Call s n indicates the number of the missed calls will appear on the LCD screen Note DND mode is configurable via web user interface only When DND and busy forward are enabled in phone mode calls will be sent to the configured destination number For more information on busy forward refer to C...

Page 92: ...line icon changes to Incoming calls on the specific line will be rejected automatically and the LCD screen will prompt n New Missed Call s n indicates the number of missed calls Note To activate DND in custom mode for all accounts 1 Press the DND soft key when the phone is idle The LCD screen displays a list of accounts registered on the phone 2 Press the All On soft key to activate DND for all ac...

Page 93: ...s enter a comma between every two numbers 4 Click Confirm to accept the change When DND is enabled on the phone the phone can still receive incoming calls from the numbers specified in the DND Authorized Numbers field Note You can configure your phone to forward incoming calls to another party through static forwarding You can also forward calls while your phone is ringing refer to the dynamic for...

Page 94: ...forward for each or all accounts Two call forward modes Phone default Call forward is effective for the phone system Custom Call forward can be configured for each or all accounts To configure 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 enable call forwa...

Page 95: ...rward 1 Press or or the Switch soft key to select Enabled from the Busy Forward field 2 Enter the destination number you want to forward incoming calls to when the phone is busy in the Forward to field 3 Optional Enter the busy forward on code or off code respectively in the On Code or Off Code field c If you select No Answer Forward 1 Press or or the Switch soft key to select Enabled from the No ...

Page 96: ... then press the Enter soft key 3 Press or to select the desired forwarding 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 Enabled from the Always Forward field 2 Enter the destination number you want to forward all incoming calls to in the Forward to field 3 Opt...

Page 97: ...ming calls to when the phone is busy in the Forward to field 3 Optional Enter the busy forward on code or off code respectively in the On Code or Off Code field You can also enable busy forward for all accounts After busy forward was enabled for a specific account do the following 1 Press or to highlight the Busy Forward field 2 Press the All Lines soft key The LCD screen prompts Copy to all lines...

Page 98: ... following 1 Press or to highlight the No Answer Forward field 2 Press the All Lines soft key The LCD screen prompts Copy to all lines 3 Press the OK soft key to accept the change or the Cancel soft key to cancel 5 Press the Save soft key to accept the change or the Back soft key to cancel The icon appears on the status bar and the associated line icon changes to Call forward is configurable via w...

Page 99: ...lect the desired account and then press the Enter soft key 3 Press or to select the desired forwarding type and then press the Enter soft key 4 Press or or the Switch soft key to select Disabled to disable the call forward 5 Press the Save soft key to accept 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 num...

Page 100: ...be configured in advance Refer to Directory on page 30 for more information Press the Dir soft key and then select History Select the desired list and press or to select the entry Directory should be configured in advance Refer to Directory on page 30 for more information Press the Dir soft key and then select Remote Phone Book Select the desired group and search for the contact Directory should b...

Page 101: ...nable or disable call waiting on the phone If call waiting is enabled you can receive another call while there is already an active call on the phone Otherwise another incoming call is automatically rejected by the phone with a busy message when there is an active call on the phone You can also enable or disable the phone to play a warning tone when receiving another call To configure call waiting...

Page 102: ...he Send soft key 4 When the second party answers the call press the Conf soft key again to join all parties in the conference You can press or to see 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 ...

Page 103: ...s the EndCall soft key to drop the conference call You can use network conference feature on the SIP T21 P E2 IP phone to conduct a conference with multiple participants This feature allows you to perform the following Join two calls together into a conference call Invite another party into an active conference call To use this feature contact your system administrator for the network conference U...

Page 104: ...aced 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 on specific servers may be different from introduced above Contact your system administrator for mo...

Page 105: ...all park code in the Value field 7 Press the Save soft key to accept the change or the Back soft key to cancel Call park key is configurable via web user interface at the path DSSKey Line Key To use call park 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 and so presses the call park key on phone A 3 User on phone A walks to an ...

Page 106: ...ckup 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 user interface Note Directed Call Pickup To enable directed call pickup and configure the directed call pickup code on a global basis via web user interface 1 Click on Features Call Pickup 2 Select Enabled from the pull down list of Directed Call Pickup The call park...

Page 107: ...accept the change To configure the directed call pickup code on a per line basis 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 directed call pickup code in the Directed Call Pickup Code field 5 Click Confirm to accept the change ...

Page 108: ...creen 2 Press the DPickup soft key on your phone when the target phone receives an incoming call 3 Enter the phone number which is receiving an incoming call 4 Press the DPickup soft key again The call is answered on your phone You can also configure a DSS key as a direct pickup key via phone user interface or web user interface Once configured you can pick up a call by pressing the directed picku...

Page 109: ...nfigure the group call pickup code on a global basis via web user interface 1 Click on Features Call Pickup 2 Select Enabled from the pull down list of Group Call Pickup 3 Enter the group call pickup code in the Group Call Pickup Code field 4 Click Confirm to accept the change ...

Page 110: ...ount 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 handset press the speakerphone or press the line key The GPickup soft key appears on the LCD screen 2 Press the GPickup soft key on your phone when a phone in the group receives an incoming call The call is answered on you...

Page 111: ...s or or the Switch soft key to select Enabled from the Local Anonymous field 4 Optional Press or or the Switch soft key to select the desired value from the Send Anony Code field The phone will send the configured on code or off code depending on your selection when you enable or disable anonymous call feature on the phone 5 Optional Enter the anonymous call on code in the On Code field 6 Optional...

Page 112: ...e server side 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 Line ID field 3 Press or to scroll to the Anonymous Rejection field 4 Press or or the Switch soft key to select Enabled from the Anonymous Rejection field 5 Optional Press or or the Switch soft key to select the desi...

Page 113: ...Basic Call Features 103 Anonymous call rejection is configurable via web user interface at the path Account Basic ...

Page 114: ...User Guide for the SIP T21 P E2 IP Phone 104 ...

Page 115: ...figure a BLF key on the phone to monitor the status of a friend s line busy or idle The BLF key LED illuminates solid red when the friend s line is in use For more information on BLF key LED indications refer to LED Instructions on page 4 You can press a BLF key to dial out the monitored phone number when the monitored line is idle You can receive a visual or and an audio alert if enabled and also...

Page 116: ...ives an incoming call You can also enable visual alert feature for BLF pickup on the phone This allows the LCD screen of the monitoring phone to display the caller ID when the monitored line receives an incoming call To enable visual and audio alert features via web user interface 1 Click on Features Call Pickup 2 Select Enabled from the pull down list of Visual Alert for BLF Pickup 3 Select Enabl...

Page 117: ...o dial out the phone number When there is already an active call on the IP phone you can transfer the active call to the monitored user by pressing the BLF List key The phone handles the active call differently depending on the transfer mode on DSS key For more information on the transfer mode on DSS key refer to Transfer in DSS Keys section on page 55 When the monitored user receives an incoming ...

Page 118: ...count Advanced 2 Select the desired account from the pull down list of Account 3 Enter the BLF List URI in the BLF List URI field 4 Optional Enter the directed pickup code in the BLF List Code field 5 Optional Enter the barge in code in the BLF List Barge In Code field 6 Optional Enter the call park retrieve code in the BLF List Retrieve Call Parked Code field 7 Click Confirm to accept the change ...

Page 119: ...Contact your system administrator for the predefined URL Note To configure a record key via phone user interface 1 Press Menu 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 Call record is not available on all servers Contact your system administrator for more information The pickup code is used in the following order of pref...

Page 120: ...hange 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 function and are available During an active call When calls are on hold or mute During a blind or attended transfer During a conference call When the phone prompts you to answer an incoming call The Record and URL R...

Page 121: ...king 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 which means that actual personal offices would be often vacant consuming valuable space and resources You can use hot desking on the SIP T21 P E2 IP phone to log out of the existing accounts and then log into a new account As a result man...

Page 122: ... DSSKey Line Key To use hot desking 1 Press the hot desking key when the phone is idle The LCD screen prompts the following warning 2 Press the OK soft key registration configurations of all accounts on the phone will be cleared immediately The login wizard will be displayed as below 3 Enter the login information in each field 4 Press the Save soft key to login or the Cancel soft key to cancel ...

Page 123: ...field 5 Enter the target extension number in the Value field 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 The SIP T21 P E2 IP phone supports automatically to answer an incoming intercom call by default The phone automatically plays a warning tone when it receives an incoming intercom ca...

Page 124: ...ted for intercom calls If Intercom Mute is disabled the microphone will work for intercom 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 will play a warning tone before answering the intercom call If Intercom Tone is disabled the phone will automatically answer...

Page 125: ...wers the call in the speakerphone mode by default 2 To end the intercom call press the intercom key again or the EndCall soft key You can use multicast paging to quickly and easily broadcast time sensitive announcements to users who are listening to a specific multicast group You can configure a multicast paging key or the paging list key on the phone which allows you to send a Real Time Transport...

Page 126: ...to accept the change or the Back soft key to cancel Multicast paging key is configurable via web user interface at the path DSSKey Line Key To configure a paging list key via phone user interface 1 Press Menu 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 Paging List from the Key T...

Page 127: ... you can add more paging groups Paging list is configurable via web user interface at the path Directory Multicast IP To delete paging group via phone user interface 1 Press the paging list key when the phone is idle 2 Press or to select a desired group 3 Press the Option soft key and then select Delete The LCD screen prompts Delete selected paging group 4 Press the OK soft key to accept the chang...

Page 128: ...handles incoming multicast paging calls depends on Paging Barge and Paging Priority Active parameters configured via web user interface Paging Barge The paging barge parameter defines 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 it will be ignored automatically If Disabled is selected from the pull down list o...

Page 129: ... disabled the phone will automatically ignore all incoming multicast paging calls To configure multicast listening addresses via web user interface 1 Click on Directory Multicast IP 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 w...

Page 130: ...cast RTP session on hold and receiver s phone releases the session 3 To resume the held multicast RTP session press the Resume soft key The multicast RTP session is established again 4 To end the multicast RTP session press the multicast paging key again or press the EndCall soft key Note To send RTP stream via a paging key list when the receiver s phone is idle 1 Press the paging list key when th...

Page 131: ...SIP URI pointing to a Music on Hold Server account When a call is placed on hold the phone will send a SIP INVITE message to the Music on Hold Server account The Music on Hold Server account automatically answers 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 o...

Page 132: ...lls to the registered ACD users To use this feature you should configure an ACD key in advance Note To configure an ACD key via phone user interface 1 Press Menu Features DSS Keys 2 Select the desired DSS key 3 Press or or the Switch soft key to select ACD from the Type field 4 Press the Save soft key to accept the change or the Back soft key to cancel ACD key is configurable via web user interfac...

Page 133: ...can press the Avail Unavail soft key to change your ACD user status ACD user status synchronizes on both IP phone and ACD system When you set the ACD user status to be available the ACD key LED illuminates solid green and then the server begins distributing calls to your phone When you set the ACD user status to be unavailable the ACD key LED flashes green and then the server temporarily stops dis...

Page 134: ...es 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 in the box Note To read a text message 1 Press Menu Message Text Message Inbox 2 Select the desired message and press the View soft key Note SMS is not available on all servers Contact your system administrator for more information If the phone ...

Page 135: ...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 Sending a text message is configurable via web user interface at the path Features SMS To reply a text message 1 Press Menu Message Text Message Inbox 2 Select the desired message and press the Reply soft key 3 Compose the new text message You can press the abc soft k...

Page 136: ...essages by pressing the Delete soft key and then select Delete All For more information refer to the above steps Note You can leave voice mails for someone else using the SIP T21 P E2 IP phone You can also listen to voice mails that are stored in a voice mailbox When receiving a new voice mail the phone will play a warning tone and the power indicator LED will slow flash red The LCD screen will pr...

Page 137: ... mode and then enter the voice mail access code e g 97 4 Press the Save soft key to accept the change or the Back soft key to cancel Note To listen to voice mails 1 When the LCD screen prompts that the phone receives a new voice mail and the power indicator LED slow flashes red press or the Connect soft key to dial out the voice mail access code 2 Follow the voice prompt to listen to your voice ma...

Page 138: ...the SIP T21 P E2 IP phone only handles the MWI messages sent from the server But for other servers the MWI service is solicited so the SIP T21 P E2 IP phone must enable subscription for MWI Note The MWI subscription parameters you need to know Options Description Subscribe for MWI Enable or disable a subscription for MWI service MWI Subscription Period Period of MWI subscription The IP phone sends...

Page 139: ...ired account from the pull down list of Account 3 Click on Advanced 4 Select Enabled from the pull down list of Subscribe for MWI field 5 Enter the period time in the MWI Subscription Period Seconds field 6 Click Confirm to accept the change The IP phone will subscribe to the account number for MWI service by default ...

Page 140: ...list of Account 3 Click on Advanced 4 Select Enabled from the pull down list of Subscribe MWI To Voice Mail 5 Enter the desired voice mail number in the Voice Mail field 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 user interface only ...

Page 141: ...lay 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 operational Contact your system administrator for more information Why does the phone display No Service The LCD screen displays No Service when no SIP account registers successfully Why doesn t the phone display ...

Page 142: ...mode connect a different handset or headset to isolate the problem Why doesn t the phone ring Check the ringer volume on the 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 on page 27 Why can t I receive calls Check the SIP registration with your system administrator Check that DND Do Not Disturb mode is deactiv...

Page 143: ...splayed on the callee s LCD screen Server configuration may override the local configuration 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 play a hold tone every 30 seconds Call hold tone is enabled by default Call hold tone and the interval of playing a hold tone are configurable via web user interface only To configure c...

Page 144: ...4 Click Confirm to accept the change You can also contact your system administrator for help 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 call should enable SRTP on a per line basis To enable SRTP on a per line basis via web user interface 1 Click on Account 2 Select the desired account from the pull down list ...

Page 145: ...the change Note How to reboot the phone To reboot the phone via web user interface 1 Click on Settings Upgrade 2 Click Reboot to reboot the IP phone Note SRTP is not available on all servers Contact your system administrator for more information SRTP is configurable via web user interface only Any reboot of the IP phone may take a few minutes ...

Page 146: ...e the error to be documented in the trace 4 Click Stop to stop the capture 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 the system log to a local PC via web user interface 1 Click on Settings Configuration 2 Select 6 from the pull down list of System Lo...

Page 147: ...n save the file to your local system You can also export the system log to the syslog server Contact your system administrator for more information Note How to upgrade firmware To upgrade firmware via web user interface 1 Click on Settings Upgrade It is recommended to reset the syslog level to 3 after exporting the system syslog ...

Page 148: ...upgrading How to reset the phone Reset the phone to factory configurations after you have tried all troubleshooting suggestions but do not solve the problem You need to note that all customized settings will be overwritten after reset To reset the phone via phone user interface 1 Press Menu Settings Advanced Settings default password admin Reset to Factory 2 Press the Enter soft key The LCD screen...

Page 149: ...D screen prompts Welcome Initializing please wait The phone will be reset to factory settings sucessfully after startup Note Reset of your phone may take a few minutes Do not power off until the phone has started up successfully ...

Page 150: ...User Guide for the SIP T21 P E2 IP Phone 140 ...

Page 151: ...e 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 safety instructions carefully and observe the situation during operation During the process of storage transportation and operation please always keep the device dry and clean During the process of stora...

Page 152: ...ind 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 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 frequ...

Page 153: ...unchal Spain Canary Islands Las Palmas UK London 1 Albania Tirane Austria Vienna Belgium Brussels Caicos Chad Croatia Zagreb Czech Republic Prague Denmark Kopenhagen France Paris Germany Berlin Hungary Budapest Italy Rome Luxembourg Luxembourg Macedonia Skopje Namibia Windhoek Netherlands Amsterdam Spain Madrid 2 Estonia Tallinn Finland Helsinki Gaza Strip Gaza Greece Athens Israel Tel Aviv Jordan...

Page 154: ...risbane Australia Hobart Australia Sydney Melboume Canberra Russia Vladivostok 10 30 Australia Lord Howe Islands 11 New Caledonia Noumea Russia Srednekolymsk Time 11 30 Norfolk Island 12 New Zealand Wellington Auckland Russia Kamchatka Time 12 45 New Zealand Chatham Islands 13 Tonga Nukualofa 13 30 Chatham Islands 14 Kiribati ...

Page 155: ...g ii Conference 92 Contact Management 30 Contrast 19 Copyright ii Customizing Your Phone 19 D Declaration of Conformity ii Deleting Contacts 36 Deleting Groups 33 Dial now 62 Dial Plan 60 Directory 30 Dual Headset 49 Do Not Disturb DND 80 Documentations 8 DSS Keys 50 E Editing Contacts 36 Editing Groups 32 Emergency Number 66 Ending Calls 73 G General Settings 19 Getting Started 9 H Hardware Compo...

Page 156: ...cts 37 Programmable Keys 58 Phone Lock 24 R Receiving RTP Stream 118 Recent Call In Dialing 74 Redialing Numbers 73 Registration 17 Regulatory Notices 141 Remote Phone Book 43 Replace Rule 61 Ring Tones 27 Recall 78 S Safety Instructions 141 Search Source List in Dialing 38 Searching for Contacts 38 Semi attended Transfer 89 Sending RTP Stream 116 Service Agreements 141 Short Message Service SMS 1...

Search results

Summary of Contents for SIP-21P E2

Reviews:

Related manuals for SIP-21P E2

Brands by name

Popular brands

Yealink SIP-21P E2, User Manual

Search results

Summary of Contents for SIP-21P E2

Reviews:

Related manuals for SIP-21P E2

Brands by name

Popular brands