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Yealink SIP-T21P E2 [31/841] Physical features
![Yealink SIP-T21P E2 [31/841] Physical features](/views2/1192075/page31/bg1f.png)
Product Overview
15
- 2*RJ-12 (6P6C) ports for data in and out
EXP39
Physical Features:
- Rich visual experience with 160 x 320 graphic LCD
- 20 physical keys each with a dual-color LED
- 20 additional keys through page switch
- Daisy-chain 6 modules up to 120 keys
- Power adapter: AC 100~240V input and DC 5V/1.2A output
- 2*RJ-12 (6P6C) ports for data in and out
Содержание
- We are striving to improve our documentation quality and we appreciate your feedback email 3
- Your opinions and comments to docsfeedback yealink com 3
- About this guide 5
- Documentations 5
- In this guide 5
- Changes for release 80 guide version 80 0 6
- Summary of changes 6
- Changes for release 80 guide version 80 1 7
- Changes for release 80 guide version 80 0 8
- Changes for release 80 guide version 80 9
- About this guide v 10
- Getting started 17 10
- Product overview 1 10
- Table of contents 10
- Table of contents x 10
- Configuring basic features 89 11
- Configuring advanced features 99 13
- Configuring audio features 27 14
- Configuring security features 69 15
- Troubleshooting 15 15
- Appendix 47 16
- Index 23 16
- Product overview 17
- Voip principle 17
- Sip components 18
- User agent client uac 18
- Sip ip phone models 19
- User agent server uas 19
- Physical features 20
- Physical features of ip phones 20
- Sip t48g 20
- Physical features 21
- Sip t46g 21
- Physical features 22
- Sip t42g 22
- Physical features 23
- Sip t41p 23
- Physical features 24
- Sip t29g 24
- Physical features 25
- Sip t27p 25
- Physical features 26
- Sip t23p g 26
- Physical features 27
- Sip t21 p e2 27
- Physical features 28
- Sip t19 p e2 28
- Codecs and voice features 29
- Key features of ip phones 29
- Management 29
- Network features 29
- Phone features 29
- Expansion module 30
- Physical features 30
- Security 30
- Physical features 31
- Physical features 32
- Connecting the ip phones 33
- Getting started 33
- Connect the handset and optional headset 40
- Desk mount method 40
- For sip t19 p e2 40
- For sip t48g t46g t29g 40
- Wall mount method optional 40
- For sip t19 p e2 41
- For sip t23p t23g t21 p e2 41
- For sip t27p 41
- For sip t42g t41p 41
- Initialization process overview 43
- Verifying startup 44
- Reading icons 46
- Common cfg file 54
- Configuration files 54
- Configuration methods 54
- Phone user interface 54
- Web user interface 54
- Mac local cfg file 55
- Mac oriented cfg file 55
- Central provisioning 58
- Obtaining configuration files and resource files 58
- Behavior for keeping user personalized settings 61
- Configuration parameters 61
- Configured via we 61
- Firmware version 80 or later the following demonstrated specific scenarios are taking 61
- Generally the administrator deploys phones in batch via auto provisioning yet some 61
- Keep user 61
- Keep user personalized settings 61
- Keys after auto provisioning these specific scenarios are applicable to 61
- Phone user interface 61
- Setting 61
- Sip t46g t23g ip phones as example for reference 61
- Sip t48g t46g t42g t41p t29g t27p t23p t23g t21 p e2 t19 p e2 ip phones running 61
- The following table lists the configuration parameters used to determine the phone 61
- Users would like to keep the personalized settings e g ringtones dial plan and dss 61
- Web user interface 61
- For more information on how to configure these parameters in different scenarios refer 62
- Phone user interface 62
- To the following introduced scenarios 62
- Web user interface 62
- Scenario a keep user personalized configuration settings 63
- Scenario a keep user personalized configuration settings ip phones are running firmware version prior to x 3 63
- Scenario b keep user personalized configuration settings ip phones are running firmware version x 0 or later 64
- Scenario b clear user personalized configuration settings 67
- Scenario c keep user personalized settings after factory reset 68
- Scenario d import or export the local configuration file 70
- Provisioning server 72
- Setting up the provisioning server 72
- Supported provisioning protocols 72
- Deploying phones from the provisioning server 73
- Configuring basic network parameters 74
- Procedure 74
- Details of configuration parameters 75
- Details of configuration parameters 76
- Procedure 76
- Static dns 76
- Dhcp option 78
- Details of configuration parameters 80
- Dhcp option 66 and option 43 80
- Procedure 80
- Dhcp option 12 hostname on the ip phone 81
- Dhcp option 42 and option 2 81
- Details of configuration parameters 82
- Procedure 82
- Configuring network parameters manually 83
- Details of configuration parameters 84
- Procedure 84
- Procedure 89
- Details of configuration parameters 90
- Auto negotiate 92
- Configuring transmission methods of the internet port and pc port 92
- Full duplex 93
- Half duplex 93
- Procedure 93
- Details of configuration parameters 94
- Configuring pc port mode 96
- Details of configuration parameters 96
- Procedure 96
- Upgrading firmware 97
- Upgrading firmware via web user interface 98
- Details of configuration parameters 99
- Procedure 99
- Upgrading firmware from the provisioning server 99
- Configuring basic features 105
- Power indicator led 107
- Details of configuration parameters 108
- Procedure 108
- Notification popups 111
- Procedure 111
- Details of configuration parameters 112
- Contrast 114
- Details of the configuration parameter 114
- Procedure 114
- Wallpaper 115
- Details of the configuration parameter 116
- Procedure 116
- Backlight 119
- Details of configuration parameters 120
- Procedure 120
- Bluetooth 123
- Procedure 123
- Details of the configuration parameter 124
- Details of the configuration parameter 125
- Enable page tips 125
- Procedure 125
- Label length 126
- Procedure 126
- Details of the configuration parameter 127
- Account registration 128
- Procedure 128
- Details of configuration parameters 129
- Call display 139
- Procedure 140
- Details of configuration parameters 141
- Display method on dialing 142
- Details of configuration parameters 143
- Procedure 143
- Procedure 144
- Web server type 144
- Details of configuration parameters 145
- Time and date 147
- Ntp time server 148
- Time zone 148
- Details of configuration parameters 149
- Procedure 149
- Time and date settings 153
- Details of configuration parameters 154
- Procedure 154
- Daylight saving time 157
- Details of configuration parameters 157
- Procedure 157
- Customizing an autodst template file 161
- Procedure 163
- Details of configuration parameters 164
- Language 164
- Customizing a language for phone user interface 165
- Loading language packs 165
- Details of the configuration parameter 167
- Procedure 167
- Customizing a language for web user interface 168
- Procedure 170
- Details of the configuration parameter 171
- Procedure 172
- Specifying the language to use 172
- Details of configuration parameters 173
- Input method 174
- Input method customization 174
- Procedure 176
- Details of configuration parameters 177
- Procedure 178
- Specifying the default input method 178
- Details of configuration parameters 179
- Logo customization 179
- Customizing a logo template file 180
- Configuring the logo shown on the idle screen 181
- Procedure 181
- Details of configuration parameters 182
- Softkey layout 183
- Details of configuration parameters 184
- Procedure 184
- Customizing softkey layout template file 185
- Details of configuration parameters 189
- Procedure 189
- Key as send 191
- Details of configuration parameters 192
- Procedure 192
- Dial plan 195
- Details of configuration parameters 196
- Procedure 196
- Replace rule 196
- Customizing replace rule template file 198
- Procedure 199
- Delay time for dial now rule 200
- Details of configuration parameters 200
- Dial now 200
- Procedure 200
- Details of configuration parameters 201
- Customizing dial now template file 203
- Details of configuration parameters 205
- Procedure 205
- Area code 206
- Details of configuration parameters 206
- Procedure 206
- Block out 208
- Procedure 208
- Details of configuration parameters 209
- Hotline 210
- Procedure 210
- Details of configuration parameters 211
- Details of configuration parameters 213
- Off hook hot line dialing 213
- Procedure 213
- Customizing a directory template file 215
- Directory 215
- Details of the configuration parameter 216
- Procedure 216
- Customizing a super search template file 217
- Search source in dialing 217
- Procedure 218
- Details of the configuration parameter 219
- Procedure 220
- Save call log 220
- Details of the configuration parameter 221
- Call list show number 222
- Details of the configuration parameter 222
- Procedure 222
- Missed call log 223
- Procedure 223
- Details of the configuration parameter 224
- Customizing a local contact file 225
- Local directory 225
- Customizing a local contact file black and white screen phones 227
- Customizing a local contact file color screen phones 228
- Procedure 233
- Details of the configuration parameter 234
- Details of configuration parameters 239
- Procedure 239
- Procedure 240
- Details of configuration parameters 241
- Details of configuration parameters 244
- Procedure 244
- Details of configuration parameters 245
- Procedure 245
- Procedure 246
- Details of configuration parameters 247
- Auto answer tone 249
- Procedure 249
- Details of configuration parameters 250
- Procedure 253
- Details of configuration parameters 254
- Details of configuration parameters 255
- Procedure 255
- Details of configuration parameters 256
- Procedure 256
- Details of the configuration parameter 258
- Procedure 258
- Details of configuration parameters 260
- Procedure 260
- Details of configuration parameters 264
- Procedure 264
- Dnd emergency 268
- Procedure 268
- Return message when dnd 268
- Details of configuration parameters 269
- Dnd key 274
- Procedure 282
- Details of the configuration parameter 283
- Details of the configuration parameter 284
- Procedure 284
- Details of the configuration parameter 286
- Procedure 286
- Procedure 287
- Details of the configuration parameter 288
- Procedure 289
- Timer t1 289
- Timer t2 289
- Timer t4 289
- Details of configuration parameters 290
- Procedure 291
- Details of configuration parameters 292
- Procedure 294
- Details of configuration parameters 295
- Procedure 297
- Details of configuration parameters 298
- Diversion history info 300
- Forward emergency 300
- Forward international 300
- Procedure 301
- Details of configuration parameters 302
- Details of configuration parameters 322
- Procedure 322
- Details of configuration parameters 324
- Procedure 324
- Procedure 326
- Details of configuration parameter 327
- Details of the configuration parameter 328
- Procedure 328
- Procedure 329
- Details of the configuration parameter 330
- Details of configuration parameters 331
- Procedure 331
- Procedure 332
- Details of configuration parameters 334
- Directed call pickup key 335
- Procedure 343
- Details of configuration parameters 344
- Group call pickup key 345
- Procedure 353
- Details of the configuration parameter 354
- Details of configuration parameters 355
- Procedure 355
- Procedure 357
- Recall key 357
- Details of configuration parameters 362
- Procedure 362
- Procedure 363
- Call park key 364
- Procedure 370
- Details of the configuration parameter 371
- Details of the configuration parameter 374
- Procedure 374
- Rfc4916 374
- Inband 376
- Rfc 2833 376
- Procedure 377
- Sip info 377
- Details of configuration parameters 378
- Details of configuration parameters 382
- Procedure 382
- Procedure 383
- Details of configuration parameters 384
- Procedure 385
- Details of configuration parameters 386
- Details of configuration parameters 387
- Procedure 387
- Procedure 388
- Intercom key 389
- Details of configuration parameters 394
- Procedure 394
- Procedure 396
- Details of the configuration parameter 397
- Procedure 397
- Procedure 398
- Details of the configuration parameter 399
- Administrator s guide for sip t2 series t19 p e2 t4 series ip phones 400
- Click confirm to accept the change 400
- E g mac 00 15 65 74 b1 50 to the sip header 400
- Example of a sip register message 400
- Of the register message 400
- Select the desired value from the pull down list of send user phone 400
- The ip phone can send the mac address in the register message sip send mac allow 400
- Details of the configuration parameter 401
- Procedure 401
- Details of the configuration parameter 403
- Procedure 403
- Details of the configuration parameter 405
- Procedure 405
- Procedure 406
- Details of the configuration parameter 407
- Procedure 408
- Details of the configuration parameter 409
- Details of the configuration parameter 411
- Procedure 411
- Procedure 412
- Details of configuration parameters 413
- Procedure 419
- Details of configuration parameters 420
- Ldap attributes 423
- Procedure 424
- Details of configuration parameters 425
- Ldap key 432
- Blf subscription 437
- Administrator s guide for sip t2 series t19 p e2 t4 series ip phones 438
- And display a visual prompt e g 6001 6002 6001 is the monitored extension which 438
- Established 438
- In addition to the blf key visual alert for blf pickup feature enables the supervisor to 438
- Receives an incoming call from 6002 when the monitored user receives an incoming call 438
- Shows the call has been 438
- Visual alert and audio alert for blf pickup 438
- Visual and audio alert for blf pickup allow the supervisor s phone to play an alert tone 438
- Blf led mode 439
- Procedure 440
- Details of configuration parameters 442
- Blf key 444
- Procedure 451
- Details of configuration parameters 452
- Blf list key 455
- Procedure 458
- Details of configuration parameters 459
- Procedure 460
- Details of configuration parameters 461
- Acd key 463
- Details of configuration parameters 463
- Procedure 467
- Details of configuration parameters 468
- Details of configuration parameters 470
- Private hold soft key 470
- Details of configuration parameters 471
- Private hold key 471
- Details of configuration parameters 479
- Procedure 479
- Procedure 482
- Details of configuration parameters 483
- Details of configuration parameters 487
- Procedure 487
- Procedure 488
- Details of the configuration parameter 490
- Multicast paging key 491
- Paging list key 494
- Procedure 501
- Details of configuration parameters 502
- An http get message containing a specific url the server processes these messages 505
- And decides to start or stop a recording 505
- Configuring advanced features 505
- Do is to trigger the recording and indicate the recording status 505
- Example of a sip info message 505
- Info message to the server with the specific header record off and then the 505
- Message containing a specific header url record is for the ip phone to send the server 505
- Normally there are 2 main methods to trigger a recording on a certain server we call 505
- Record 505
- Recording starts 505
- Recording stops 505
- Sip info message to the server with the specific header record on and then the 505
- Them record and url record record is for the ip phone to send the server a sip info 505
- This feature is not applicable to sip t19 p e2 ip phones 505
- When a user presses a record key for the first time during a call the ip phone sends a 505
- When the user presses the record key for the second time the ip phone sends a sip 505
- Administrator s guide for sip t2 series t19 p e2 t4 series ip phones 506
- An http get message to the server 506
- Example of a 200 ok message 506
- Example of an http get message 506
- Http get message to the server and then the server will respond with a 200 ok 506
- If the recording fails for some reasons for example the recording box is full the server 506
- If the recording is successfully started the server will respond with a 200 ok message 506
- Message 506
- Url record 506
- When a user presses a url record key for the first time during a call the ip phone sends 506
- When the user presses the url record key for the second time the ip phone sends an 506
- Will respond with a 200 ok message 506
- Procedure 507
- Record key 507
- Url record key 509
- Procedure 513
- Details of configuration parameters 514
- Hot desking key 516
- Details of the configuration parameter 520
- Procedure 520
- Procedure 526
- Details of configuration parameters 528
- Http https get request 543
- Sip notify message 543
- Administrator s guide for sip t2 series t19 p e2 t4 series ip phones 544
- Example of a sip notify with the variable value ok 544
- Details of the configuration parameter 547
- Procedure 547
- Phone configuration for redundancy implementation 551
- Phone registration 551
- Procedure 552
- Details of configuration parameters 553
- Details of configuration parameters 566
- Outgoing call when the working server connection fails 566
- Procedure 566
- Details of configuration parameters 569
- Procedure 569
- Details of configuration parameters 577
- Details of configuration parameters 578
- Procedure 578
- Details of configuration parameters 580
- Procedure 580
- Procedure 582
- Details of configuration parameters 583
- Procedure 586
- Details of configuration parameters 587
- Details of configuration parameters 590
- Procedure 590
- Details of configuration parameters 592
- Procedure 592
- Procedure 594
- Details of configuration parameters 596
- Procedure 612
- Sip qos 612
- Voice qos 612
- Details of configuration parameters 613
- Address restricted cone nat 615
- Full cone nat 615
- Port restricted cone nat 615
- Symmetrical nat 615
- Procedure 616
- Sip and tls source ports for nat traversal 616
- Stun simple traversal of udp over nats 616
- Details of configuration parameters 617
- Procedure 622
- Details of configuration parameters 623
- Procedure 624
- Details of configuration parameters 625
- Details of configuration parameters 626
- Procedure 626
- Details of configuration parameters 629
- Procedure 629
- Ipv6 address assignment method 633
- Procedure 634
- Details of configuration parameters 635
- Procedure 643
- Details of the configuration parameter 644
- Auto answer 650
- Details of configuration parameters 651
- Procedure 651
- Procedure 655
- Details of configuration parameters 656
- Details of the configuration parameter 661
- Procedure 661
- Details of the configuration parameter 663
- Procedure 663
- Procedure 664
- Details of the configuration parameter 665
- Details of the configuration parameter 666
- Procedure 666
- Packetization time 668
- Procedure 669
- Details of configuration parameters 670
- Details of the configuration parameter 677
- Procedure 677
- Details of the configuration parameter 679
- Procedure 679
- Procedure 680
- Details of the configuration parameter 681
- Details of configuration parameters 682
- Procedure 682
- Procedure 685
- Details of the configuration parameter 686
- Details of the configuration parameter 687
- Procedure 687
- Procedure 688
- Details of the configuration parameter 689
- Procedure 690
- Details of configuration parameters 691
- Phone lock type 693
- Phone lock key 694
- Certificates 701
- Procedure 702
- Details of configuration parameters 704
- Details of the configuration parameter 711
- Procedure 711
- Procedure to encrypt configuration files 714
- Procedure 715
- Details of configuration parameters 716
- Details of configuration parameters 719
- Procedure 719
- Procedure 732
- Details of configuration parameters 734
- Procedure 742
- Receiving data packets from pc port 742
- Receiving data packets from the hub 742
- Details of the configuration parameter 743
- Procedure 744
- Details of the configuration parameter 745
- Procedure 746
- Details of the configuration parameter 747
- Procedure 752
- Details of the configuration parameter 753
- Parameters and programable keys for each phone model 768
- Phone model line key programable key ext key 768
- Programablekey x history_type 768
- Programablekey x label 768
- Programablekey x line 768
- Programablekey x pickup_value 768
- Programablekey x type 768
- Programablekey x value 768
- Programablekey x xml_phonebook 768
- Sip t19 p e2 11 768
- Sip t21 p e2 2 11 768
- Sip t23p g 3 11 768
- Sip t27p 21 14 39 768
- The following tables list relationship between the values of x in the following 768
- X ranges from 1 to 4 768
- X ranges from 1 to14 768
- Administrator s guide for sip t2 series t19 p e2 t4 series ip phones 792
- Network address translators nats 792
- Registration 792
- Rfc 2543 sip session initiation protocol 792
- Rfc 2617 http authentication basic and digest access authentication 792
- Rfc 2782 a dns rr for specifying the location of services dns srv 792
- Rfc 2806 urls for telephone calls 792
- Rfc 2833 rtp payload for dtmf digits telephony tones and telephony signals 792
- Rfc 2915 the naming authority pointer naptr dns resource record 792
- Rfc 2976 the sip info method 792
- Rfc 3087 control of service context using sip request uri 792
- Rfc 3261 sip session initiation protocol replacement for rfc 2543 792
- Rfc 3262 reliability of provisional responses in the session initiation protocol sip 792
- Rfc 3263 session initiation protocol sip locating sip servers 792
- Rfc 3264 an offer answer model with the session description protocol sdp 792
- Rfc 3265 session initiation protocol sip specific event notification 792
- Rfc 3266 support for ipv6 in session description protocol sdp 792
- Rfc 3310 http digest authentication using authentication and key agreement 792
- Rfc 3311 the session initiation protocol sip update method 792
- Rfc 3312 integration of resource management and sip 792
- Rfc 3313 private sip extensions for media authorization 792
- Rfc 3323 a privacy mechanism for the session initiation protocol sip 792
- Rfc 3324 requirements for network asserted identity 792
- Rfc 3325 sip asserted identity 792
- Rfc 3326 the reason header field for the session initiation protocol sip 792
- Rfc 3361 dhcp for ipv4 option for sip servers 792
- Rfc 3372 sip for telephones sip t context and architectures 792
- Rfc 3398 isup to sip mapping 792
- Rfc 3420 internet media type message sipfrag 792
- Rfc 3428 session initiation protocol sip extension for instant messaging 792
- Rfc 3455 private header p header extensions to the sip for the 3gpp 792
- Rfc 3486 compressing the session initiation protocol sip 792
- Rfc 3489 stun simple traversal of user datagram protocol udp through 792
- Rfc 3515 the session initiation protocol sip refer method 792
- Rfc 3550 rtp transport protocol for real time applications 792
- Rfc 3555 mime type registration of rtp payload formats 792
- Rfc 3581 an extension to the sip for symmetric response routing 792
- Rfc 3608 sip extension header field for service route discovery during 792
- Appendix 793
- For the session initiation protocol sip 793
- Initiation protocol sip 793
- Protocol sip 793
- Response ivr 793
- Rfc 3611 rtp control protocol extended reports rtcp xr 793
- Rfc 3665 session initiation protocol sip basic call flow examples 793
- Rfc 3666 sip public switched telephone network pstn call flows 793
- Rfc 3680 sip event package for registrations 793
- Rfc 3702 authentication authorization and accounting requirements for the sip 793
- Rfc 3711 the secure real time transport protocol srtp 793
- Rfc 3725 best current practices for third party call control 3pcc in the session 793
- Rfc 3842 a message summary and message waiting indication event package 793
- Rfc 3856 a presence event package for session initiation protocol sip 793
- Rfc 3863 presence information data format 793
- Rfc 3890 a transport independent bandwidth modifier for the sdp 793
- Rfc 3891 the session initiation protocol sip replaces header 793
- Rfc 3892 the session initiation protocol sip referred by mechanism 793
- Rfc 3959 the early session disposition type for sip 793
- Rfc 3960 early media and ringing tone generation in sip 793
- Rfc 3966 the tel uri for telephone number 793
- Rfc 3968 iana registry for sip header field 793
- Rfc 3969 iana registry for sip uri 793
- Rfc 4028 session timers in the session initiation protocol sip 793
- Rfc 4083 3gpp release 5 requirements on sip 793
- Rfc 4235 an invite initiated dialog event package for the session initiation 793
- Rfc 4244 an extension to the sip for request history information 793
- Rfc 4317 session description protocol sdp offer answer examples 793
- Rfc 4353 a framework for conferencing with the sip 793
- Rfc 4458 sip uris for applications such as voicemail and interactive voice 793
- Rfc 4475 session initiation protocol sip torture 793
- Rfc 4485 guidelines for authors of extensions to the sip 793
- Rfc 4504 sip telephony device requirements and configuration 793
- Rfc 4566 sdp session description protocol 793
- Rfc 4568 session description protocol sdp security descriptions for media 793
- Rfc 4575 a sip event package for conference state 793
- Rfc 4579 sip call control conferencing for user agents 793
- Rfc 4583 session description protocol sdp format for binary floor control 793
- Streams 793
- Administrator s guide for sip t2 series t19 p e2 t4 series ip phones 794
- Agents 794
- And privacy within trusted networks 794
- Draft anil sipping bla 02 txt implementing bridged line appearances bla using 794
- Draft anil sipping bla 03 txt implementing bridged line appearances bla using 794
- Draft ietf bliss shared appearances 15 txt shared appearances of a session 794
- Draft ietf sip cc transfer 05 txt sip call control transfer 794
- Draft ietf sip connect reuse 06 txt connection reuse in the session initiation 794
- Draft ietf sip privacy 00 txt sip extensions for caller identity and privacy 794
- Draft ietf sip privacy 04 txt sip extensions for network asserted caller identity 794
- Draft ietf sipping cc conferencing 03 txt sip call control conferencing for user 794
- Draft ietf sipping cc conferencing 05 txt connection reuse in the session initiation 794
- Draft ietf sipping rtcp summary 02 txt session initiation protocol package for 794
- Draft levy sip diversion 08 txt diversion indication in sip 794
- Http www ietf org rfc html and enter the rfc number 794
- Initiation protocol sip address of record aor 794
- November 794
- Protocol bfcp streams 794
- Protocol sip 794
- Rfc 4662 a sip event notification extension for resource lists 794
- Rfc 4730 event package for kpml 794
- Rfc 5009 p early media header 794
- Rfc 5079 rejecting anonymous requests in sip 794
- Rfc 5359 session initiation protocol service examples 794
- Rfc 5589 session initiation protocol sip call control transfer 794
- Rfc 5630 the use of the sips uri scheme in sip 794
- Rfc 5806 diversion indication in sip 794
- Rfc 5954 essential correction for ipv6 abnf and uri comparison in rfc 3261 794
- Rfc 6026 correct transaction handling for 2xx responses to sip invite requests 794
- Rfc 6141 re invite and target refresh request handling in sip 794
- Session initiation protocol sip 794
- The following sip request messages are supported 794
- To find the applicable request for comments rfc document go to 794
- Voice quality reporting event 794
- Xx response information responses 797
- Xx response redirection responses 797
- Xx response request failure responses 797
- Xx response successful responses 797
- Xx response global responses 799
- Xx response server failure responses 799
- F1 invite b 801
- F10 ack 801
- F11 bye 801
- F12 bye 801
- F13 200 ok 801
- F14 200 ok 801
- F2 invite b 801
- F3 100 trying 801
- F4 100 trying 801
- F5 180 ringing 801
- F6 180 ringing 801
- F7 200 ok 801
- F8 200 ok 801
- F9 ack 801
- User a proxy server user b 801
- Way rtp channel established 801
- F1 invite b 804
- F2 invite b 804
- F3 100 trying 804
- F4 100 trying 804
- F5 486 busy here 804
- F6 486 busy here 804
- F7 ack 804
- F8 ack 804
- User a proxy server user b 804
- F1 invite b 806
- F2 invite b 806
- F3 180 ringing 806
- F4 180 ringing 806
- F5 cancel 806
- F6 cancel 806
- F7 200 ok 806
- F8 200 ok 806
- User a proxy server user b 806
- Administrator s guide for sip t2 series t19 p e2 t4 series ip phones 816
- Call is established between user a and user c 816
- Administrator s guide for sip t2 series t19 p e2 t4 series ip phones 820
- Call is established between user b and user c 820
- User a transfers the call to user c 820
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