Yealink SIP-T48G — настройка параметров безопасности для IP-телефонов [277/465]

Содержание

• Your opinions and comments to docsfeedback yealink com p.3
• We are striving to improve our documentation quality and we appreciate your feedback email p.3
• About this guide p.5
• In this guide p.5
• Documentations p.5
• Summary of changes p.6
• Changes for release 72 guide version 72 p.6
• Changes for release 71 guide version 71 81 p.7
• Changes for release 71 guide version 71 80 p.7
• Changes for release 71 guide version 71 71 p.7
• Changes for release 71 guide version 71 70 p.7
• Changes for release 71 guide version 71 50 p.7
• Changes for release 71 guide version 71 0 p.8
• Table of contents ix p.9
• Table of contents p.9
• Product overview 1 p.9
• Getting started 9 p.9
• About this guide v p.9
• Configuring basic features 35 p.10
• Configuring audio features 91 p.11
• Configuring advanced features 25 p.11
• Resource files 19 p.12
• Troubleshooting 31 p.12
• Configuring security features 03 p.12
• Upgrading firmware 15 p.12
• Index 49 p.13
• Appendix 43 p.13
• Voip principle p.15
• Product overview p.15
• User agent client uac p.16
• Sip components p.16
• User agent server uas p.17
• Sip ip phone models p.17
• Sip t46g p.18
• Physical features of sip t4x ip phones p.18
• Physical features p.18
• Sip t42g p.19
• Physical features p.19
• Key features of sip t4x ip phones p.20
• Sip t41p p.20
• Physical features p.20
• Phone features p.20
• Network features p.21
• Security p.21
• Management p.21
• Codecs and voice features p.21
• Getting started p.23
• Connecting the ip phone p.23
• Initialization process overview p.26
• Web user interface p.28
• Verifying startup p.28
• Phone user interface p.28
• Configuration methods p.28
• Configuration files p.29
• Reading icons p.30
• Dhcp option p.32
• Configuring basic network parameters p.32
• Procedure p.33
• Configuring network parameters manually p.35
• Procedure p.36
• Procedure p.38
• Configuring transmission methods of the internet port and pc port p.39
• Half duplex p.40
• Full duplex p.40
• Auto negotiation p.40
• Procedure p.41
• Creating dial plan p.42
• Replace rule p.43
• Procedure p.43
• Dial now p.44
• Delay time for dial now rule p.44
• Procedure p.44
• Procedure p.46
• Area code p.46
• Procedure p.47
• Block out p.47
• Auto redial p.49
• Administrator password p.49
• Early media p.49
• Sip session timer p.49
• Call waiting p.49
• Ring workaround p.49
• Call log p.49
• Return code when refuse p.49
• Call completion p.49
• Power indicator led p.49
• Busy tone delay p.49
• Phone lock p.49
• Basic features p.49
• Missed call log p.49
• Backlight p.49
• Logo customization p.49
• Local directory p.49
• Auto answer p.49
• Live dialpad p.49
• Anonymous call rejection p.49
• Language p.49
• Anonymous call p.49
• Key as send p.49
• User password p.49
• Hotline p.49
• Use outbound proxy in dialog p.49
• Time and date p.49
• Do not disturb p.49
• This chapter provides information for making configuration changes for the following p.49
• Contrast p.49
• Softkey layout p.49
• Configuring basic features p.49
• Power indicator led p.50
• Procedure p.51
• Procedure p.52
• Contrast p.52
• Wallpaper p.53
• Procedure p.53
• Procedure p.55
• Backlight p.55
• User password p.56
• Procedure p.56
• Administrator password p.57
• Procedure p.57
• Phone lock p.58
• Procedure p.59
• Time zone p.61
• Time and date p.61
• Daylight saving time p.61
• Procedure p.62
• Language p.66
• Procedure p.67
• Loading language packs p.67
• Specifying the language to use p.68
• Procedure p.68
• Procedure p.69
• Logo customization p.69
• Softkey layout p.70
• Procedure p.72
• Procedure p.73
• Key as send p.73
• Procedure p.75
• Hotline p.75
• Procedure p.77
• Call log p.77
• Procedure p.78
• Missed call log p.78
• Procedure p.79
• Local directory p.79
• Procedure p.82
• Live dialpad p.82
• Call waiting p.82
• Procedure p.83
• Auto redial p.84
• Procedure p.85
• Procedure p.86
• Auto answer p.86
• Procedure p.88
• Call completion p.88
• Anonymous call p.89
• Procedure p.90
• Anonymous call rejection p.91
• Procedure p.92
• Return message when dnd p.93
• Procedure p.93
• Do not disturb p.93
• Procedure p.97
• Busy tone delay p.97
• Return code when refuse p.98
• Procedure p.98
• Early media p.99
• Ring workaround p.100
• Procedure p.100
• Use outbound proxy in dialog p.101
• Procedure p.101
• Sip session timer p.102
• Procedure p.102
• Session timer p.103
• Procedure p.103
• Call hold p.104
• Procedure p.105
• Call forward p.106
• Procedure p.107
• Forward international p.107
• Call transfer p.112
• Procedure p.113
• Network conference p.114
• Procedure p.114
• Transfer on conference hang up p.115
• Procedure p.115
• Procedure p.116
• Directed call pickup p.116
• Group call pickup p.119
• Procedure p.120
• Dialog info call pickup p.122
• Procedure p.123
• Procedure p.124
• Call return p.124
• Procedure p.125
• Call park p.125
• Web server type p.126
• Procedure p.127
• Calling line identification presentation p.128
• Procedure p.128
• Procedure p.129
• Connected line identification presentation p.129
• Rfc 2833 p.130
• Inband p.130
• Sip info p.131
• Procedure p.131
• Suppress dtmf display p.133
• Procedure p.133
• Transfer via dtmf p.134
• Procedure p.134
• Procedure p.135
• Outgoing intercom calls p.135
• Intercom p.135
• Incoming intercom calls p.136
• Procedure p.137
• Network address translation p.139
• Music on hold p.139
• Multicast paging p.139
• Message waiting indicator p.139
• Ipv6 support p.139
• Hot desking p.139
• Distinctive ring tones the ip phone inspects the invite request for an alert info header p.139
• Distinctive ring tones allows particular incoming calls to trigger ip phones to play p.139
• X authentication p.139
• Distinctive ring tones p.139
• When receiving an incoming call if the invite request contains an alert info header p.139
• Configuring advanced features p.139
• Tr 069 device management p.139
• This chapter provides information for making configuration changes for the following p.139
• Call recording p.139
• The ip phone strips out the url and keyword parameter and maps it to the appropriate p.139
• Busy lamp field p.139
• Server redundancy p.139
• Automatic call distribution p.139
• Ring tone p.139
• Advanced features p.139
• Remote phone book p.139
• Action url p.139
• Quality of service p.139
• Action uri p.139
• Procedure p.141
• Russia p.143
• Czech etsi p.143
• Sweden p.143
• Configuring advanced features p.143
• Brazil p.143
• Portugal p.143
• Belgium p.143
• Norway p.143
• New zealand p.143
• Austria p.143
• Netherlands p.143
• Australia p.143
• Mexico p.143
• Lithuania p.143
• Indicate different conditions of the ip phone the default tones used on ip phones are p.143
• Hungary p.143
• Greece p.143
• You can customize tones or select specialized tone sets vary from country to country to p.143
• Great britain p.143
• When receiving a message or recording a call the ip phone will play a warning tone p.143
• Germany p.143
• United states p.143
• France p.143
• The us tone sets available tone sets for ip phones p.143
• Finland p.143
• Denmark p.143
• Switzerland p.143
• Procedure p.144
• Remote phone book p.145
• Procedure p.145
• Procedure p.148
• Ldap attributes p.148
• Visual alert and audio alert for blf pickup p.150
• Busy lamp field p.150
• Blf led mode p.151
• Procedure p.152
• Procedure p.155
• Music on hold p.155
• Automatic call distribution p.156
• Procedure p.157
• Message waiting indicator p.158
• Procedure p.159
• Sending rtp stream p.161
• Procedure p.161
• Multicast paging p.161
• Receiving rtp stream p.163
• Procedure p.163
• Record p.165
• Call recording p.165
• Example of an http get message p.166
• Example of a sip info message p.166
• Example of a 200 ok message p.166
• An http get message to the server p.166
• Administrator s guide for sip t4x ip phones p.166
• When the user presses the record key for the second time the ip phone sends a sip p.166
• When a user presses a url record key for the first time during a call the ip phone sends p.166
• Url record p.166
• Recording stops p.166
• Info message to the server with the specific header record off and then the p.166
• If the recording is successfully started the server will respond with a 200 ok message p.166
• Procedure p.167
• Procedure p.169
• Hot desking p.169
• Action url p.170
• Procedure p.173
• Action uri p.173
• Procedure p.175
• Server redundancy p.176
• Phone configuration for redundancy implementation p.176
• Phone registration p.177
• Sip server domain name resolution p.178
• Procedure p.178
• Procedure p.180
• Outgoing call when the working server connection fails p.180
• Lldp med media endpoint discovery p.182
• Procedure p.183
• Vlan discovery via dhcp p.185
• Procedure p.185
• Procedure p.188
• Quality of service p.190
• Voice qos p.191
• Sip qos p.191
• Procedure p.191
• Stun simple traversal of udp over nats p.192
• Network address translation p.192
• Nat traversal p.192
• Procedure p.193
• X authentication p.194
• Procedure p.194
• Tr 069 device management p.199
• Procedure p.200
• Ipv6 support p.201
• Ipv6 address assignment method p.201
• Procedure p.202
• Procedure p.205
• Headset prior p.205
• Configuring audio features p.205
• Procedure p.206
• Dual headset p.206
• Audio codecs p.207
• Packetization time p.208
• Procedure p.209
• Procedure p.211
• Acoustic echo cancellation p.211
• Acoustic clarity technology p.211
• Voice activity detection p.212
• Procedure p.212
• Procedure p.213
• Comfort noise generation p.213
• Procedure p.214
• Jitter buffer p.214
• Transport layer security p.217
• Configuring security features p.217
• Exp1024 rc4 sha p.218
• Des cbc3 sha p.218
• Exp1024 rc4 md5 p.218
• Des cbc sha p.218
• Exp1024 dhe dss rc4 sha p.218
• Aes256 sha p.218
• Exp1024 dhe dss des cbc sha p.218
• Aes128 sha p.218
• Administrator s guide for sip t4x ip phones p.218
• Exp1024 des cbc sha p.218
• Exp rc4 md5 p.218
• Exp edh rsa des cbc sha p.218
• Exp edh dss des cbc sha p.218
• Tls server to establish an encrypted communication channel p.218
• Exp des cbc sha p.218
• The following figure illustrates the tls messages exchanged between the ip phone and p.218
• Edh rsa des cbc3 sha p.218
• Step2 server responds with server hello message selecting the ssl options sends its p.218
• Edh rsa des cbc sha p.218
• Step1 ip phone sends client hello message proposing ssl options p.218
• Edh dss des cbc3 sha p.218
• Rc4 sha p.218
• Edh dss des cbc sha p.218
• Rc4 md5 p.218
• Dhe rsa aes128 sha p.218
• Public key information in server key exchange message and concludes its part of the p.218
• Dhe dss rc4 sha p.218
• Idea cbc sha p.218
• Dhe dss aes128 sha p.218
• Certificates p.219
• Procedure p.220
• Secure real time transport protocol p.223
• Procedure p.224
• Encrypting configuration files p.225
• Procedure to encrypt configuration files p.226
• Procedure p.227
• Upgrade via web user interface p.229
• Upgrading firmware p.229
• Upgrade firmware from the provisioning server p.230
• Procedure p.230
• Resource files p.233
• Replace rule template p.233
• Procedure p.234
• Dial now template p.234
• Softkey layout template p.235
• Procedure p.235
• Procedure p.236
• Procedure p.237
• Local contact file p.237
• Remote xml phone book p.238
• Procedure p.239
• Procedure p.240
• Directory template p.240
• Super search template p.241
• Procedure p.241
• Specifying the access url of resource files p.242
• Viewing log files p.245
• Troubleshooting methods p.245
• Troubleshooting p.245
• Enabling the watch dog feature p.248
• Capturing packets p.248
• Getting information from status indicators p.249
• Analyzing configuration files p.249
• Why is the lcd screen blank p.250
• Why doesn t the ip phone get an ip address p.250
• Troubleshooting solutions p.250
• Why doesn t the ip phone display time and date correctly p.251
• Why do i get poor sound quality during a call p.251
• How do i find the basic information of the ip phone p.251
• Why doesn t the ip phone upgrade firmware successfully p.251
• What is the difference between user name register name and display name p.252
• What is the difference between a remote phone book and a local phonebook p.252
• How to reboot ip phone remotely p.252
• How to increase or decrease the volume p.252
• Why doesn t the ip phone update the configuration p.253
• What will happen if i connect both poe cable and power adapter which has the higher priority p.253
• What is pnp p.253
• What is auto provisioning p.253
• What do on code and off code mean p.253
• How to solve the ip conflict problem p.254
• How to reset your phone to factory configurations p.254
• How to restore the administrator password p.255
• Appendix a glossary p.257
• Appendix p.257
• Appendix b time zones p.259
• Setting parameters in configuration files p.262
• Basic and advanced feature parameters p.262
• Appendix c configuration parameters p.262
• Static network settings p.263
• Pc port transmission method p.267
• Internet por p.267
• Internet and pc ports transmission methods p.267
• Replace rule p.268
• Dial plan p.268
• Dial now p.269
• Area code p.270
• Block out p.271
• Power indicator led p.272
• Contrast p.275
• Backlight p.276
• Administrator password p.277
• User password p.277
• Phone lock p.278
• Time and date p.280
• Language p.286
• Logo customization p.287
• Key as send p.288
• Hotline p.290
• Missed call log p.291
• Call log p.291
• Live dialpad p.292
• Call waiting p.292
• Auto redial p.294
• Auto answer p.295
• Call completion p.296
• Anonymous call p.296
• Anonymous call rejection p.298
• Return message when dnd p.300
• Do not disturb p.300
• Dnd mode p.300
• Dnd in phone mode p.301
• Dnd in custom mode p.302
• Return code when refuse p.303
• Busy tone delay p.303
• Use outbound proxy in dialog p.304
• Ring workaround p.304
• Sip session timer p.305
• Session timer p.306
• Call hold p.307
• Call forward mode p.308
• Call forward p.308
• Call forward in phone mode p.309
• Always forward p.309
• Busy forward p.310
• No answer forward p.311
• Call forward in custom mode p.313
• Always forward p.313
• Busy forward p.315
• No answer forward p.316
• Fwd international p.318
• Call transfer p.318
• Network conference p.319
• Transfer on conference hang up p.320
• Phone basis p.321
• Directed call pickup p.321
• Phone basis p.322
• Per line basis p.322
• Group call pickup p.322
• Dialog info call pickup p.323
• Per line basis p.323
• Web server type p.324
• Calling line identification presentation p.325
• Connected line identification presentation p.326
• Transfer via dtmf p.329
• Suppress dtmf display p.329
• Incoming intercom calls p.330
• Distinctive ring tones p.332
• Switzerland p.335
• Example voice tone country austria p.335
• Sweden p.335
• Description p.335
• Russia p.335
• Denmark p.335
• Voice tone stutter p.335
• Portugal p.335
• Czech etsi p.335
• Voice tone ring p.335
• Parameter p.335
• Customizes the tone for each condition p.335
• Voice tone record p.335
• Norway p.335
• Configuration file p.335
• Voice tone message p.335
• New zealand p.335
• Belgium p.335
• Voice tone info p.335
• Netherlands p.335
• Appendix p.335
• Mexico p.335
• Voice tone dialrecall p.335
• Lithuania p.335
• Voice tone dial p.335
• Hungary p.335
• Voice tone congestion p.335
• Greece p.335
• Voice tone callwaiting p.335
• Great britain p.335
• Voice tone busy p.335
• Voice tone autoanswer p.335
• Germany p.335
• United states p.335
• France p.335
• The parameter voice tone message is not p.335
• Finland p.335
• Remote phone book p.336
• Visual and audio alert for blf pickup p.343
• Blf led mode p.344
• Music on hold p.344
• Message waiting indicator p.346
• Sending rtp stream p.348
• Receiving rtp stream p.348
• Action url p.350
• Action uri p.351
• Server redundancy p.352
• Fallback mode p.354
• Failover mode p.355
• Sip server domain name resolution p.357
• Internet port p.358
• Pc port p.360
• Dhcp vlan discovery p.361
• Network address translation p.363
• Tr 069 p.366
• Audio feature parameters p.373
• Headset prior p.373
• Dual headset p.374
• Audio codecs p.374
• Acoustic echo cancellation p.377
• Voice activity detection p.378
• Jitter buffer p.378
• Comfort noise generation p.378
• Security feature parameters p.380
• Uploading certificates p.382
• Configuring decryption method p.383
• Upgrading firmware p.385
• Resource files p.388
• Access url of replace rule template p.388
• Access url of dial now template p.388
• Access url of softkey layout template p.389
• Access url of local contact file p.391
• Access url of super search template p.392
• Access url of remote xml phone book p.392
• Access url of directory template p.392
• Troubleshooting p.393
• Log settings p.393
• Access url of wallpaper image p.393
• Watch dog p.394
• Parameter p.395
• Detailed in the following p.395
• Or line key 1 3 of sip t42g t41p p.395
• Description p.395
• N a default to line key 7 27 for p.395
• Configuring dss key p.395
• Multicast paging p.395
• Configures the key feature for the line key p.395
• Linekey x type p.395
• Configuration file p.395
• Line default for line key 1 6 of sip t46g p.395
• Conference p.395
• Xml group p.395
• Intercom p.395
• Call return p.395
• X ranges from 1 to 27 for sip t46g p.395
• Hot desking p.395
• Call park p.395
• X ranges from 1 to 15 for sip t42g t41p p.395
• Appendix p.395
• Voice mail p.395
• Group pickup p.395
• Valid types are p.395
• Group listening p.395
• Transfer p.395
• Forward p.395
• This section provides dss key parameters you can configure on the ip phone p.395
• Example watch_dog enable 1 p.395
• Speed dial p.395
• Enabled p.395
• Sms not applicable to sip t42g t41p p.395
• Dss key can be assigned with various key features the parameters of the dss key are p.395
• Sip t46g or line key 4 15 for p.395
• Disabled p.395
• Sip t42g t41p p.395
• Directed pickup p.395
• Keypad lock key p.400
• Dnd key p.400
• Directed call pickup key p.401
• Group call pickup key p.402
• Call park key p.403
• Call return key p.403
• Intercom key p.404
• Ldap key p.405
• Blf key p.406
• Acd key p.407
• Record key p.408
• Multicast paging key p.408
• Url record key p.409
• Hot desking key p.409
• Rfc and internet draft support p.410
• Appendix d sip session initiation protocol p.410
• Rfc 3428 session initiation protocol sip extension for instant messaging p.411
• Rfc 3262 reliability of provisional responses in the session initiation protocol sip p.411
• Rfc 3420 internet media type message sipfrag p.411
• Registration p.411
• Rfc 3725 best current practices for third party call control 3pcc in the session p.411
• Rfc 3372 sip for telephones sip t context and architectures p.411
• Network address translators nats p.411
• Rfc 3711 the secure real time transport protocol srtp p.411
• Rfc 3361 dhcp for ipv4 option for sip servers p.411
• Bandwidth p.411
• Rfc 3702 authentication authorization and accounting requirements for the sip p.411
• Rfc 3326 the reason header field for the session initiation protocol sip p.411
• Appendix p.411
• Rfc 3680 sip event package for registrations p.411
• Rfc 3325 sip asserted identity p.411
• Rfc 3666 sip public switched telephone network pstn call flows p.411
• Rfc 3324 requirements for network asserted identity p.411
• Rfc 3323 a privacy mechanism for the session initiation protocol sip p.411
• Rfc 3665 session initiation protocol sip basic call flow examples p.411
• Rfc 3313 private sip extensions for media authorization p.411
• Rfc 3608 sip extension header field for service route discovery during p.411
• Rfc 3312 integration of resource management and sip p.411
• Rfc 3581 an extension to the sip for symmetric response routing p.411
• Rfc 3311 the session initiation protocol sip update method p.411
• Rfc 3556 session description protocol sdp bandwidth modifiers for rtcp p.411
• Rfc 3310 http digest authentication using authentication and key agreement p.411
• Rfc 3550 rtp rtcp ietf rfc 3550 p.411
• Rfc 3266 support for ipv6 in session description protocol sdp p.411
• Rfc 3515 the session initiation protocol sip refer method p.411
• Rfc 3489 stun simple traversal of user datagram protocol udp through p.411
• Rfc 3265 session initiation protocol sip specific event notification p.411
• Rfc 3486 compressing the session initiation protocol sip p.411
• Rfc 3264 an offer answer model with the session description protocol sdp p.411
• Rfc 3455 private header p header extensions to the sip for the 3gpp p.411
• Rfc 3263 session initiation protocol sip locating sip servers p.411
• Rfc 4028 session timers in the session initiation protocol sip p.412
• Draft ietf sip cc transfer 05 txt sip call control transfer p.412
• Rfc 5589 session initiation protocol sip call control transfer p.412
• Rfc 3969 the internet assigned number authority iana uniform resource p.412
• Administrator s guide for sip t4x ip phones p.412
• Rfc 5359 session initiation protocol service examples p.412
• Rfc 5079 rejecting anonymous requests in sip p.412
• Rfc 3968 the internet assigned number authority iana header field p.412
• Rfc 5009 p early media header p.412
• Rfc 3960 early media and ringing tone generation in sip p.412
• Rfc 4662 a sip event notification extension for resource lists p.412
• Rfc 3959 the early session disposition type for sip p.412
• Rfc 4579 sip call control conferencing for user agents p.412
• Rfc 3892 the session initiation protocol sip referred by mechanism p.412
• Rfc 4575 a sip event package for conference state p.412
• Rfc 3891 the session initiation protocol sip replaces header p.412
• Rfc 4568 session description protocol sdp security descriptions for media p.412
• Rfc 3890 a transport independent bandwidth modifier for the sdp p.412
• Rfc 4566 sdp session description protocol p.412
• Rfc 3856 a presence event package for session initiation protocol sip p.412
• Rfc 4504 sip telephony device requirements and configuration p.412
• Rfc 3842 a message summary and message waiting indication event package p.412
• Rfc 4485 guidelines for authors of extensions to the sip p.412
• Protocol sip p.412
• Rfc 4475 session initiation protocol sip torture p.412
• Parameter registry for the session initiation protocol sip p.412
• Rfc 4353 a framework for conferencing with the sip p.412
• Initiation protocol sip p.412
• Rfc 4317 session description protocol sdp offer answer examples p.412
• Identifier uri parameter registry for the session initiation protocol sip p.412
• Rfc 4244 an extension to the sip for request history information p.412
• For the session initiation protocol sip p.412
• Streams p.412
• Rfc 4235 an invite initiated dialog event package for the session initiation p.412
• Draft levy sip diversion 04 txt diversion indication in sip p.412
• Rfc3966 the tel uri for telephone number p.412
• Sip request p.413
• Sip header p.414
• Xx response successful responses p.415
• Xx response redirection responses p.415
• Xx response information responses p.415
• Sip responses p.415
• Xx response request failure responses p.416
• Xx response server failure responses p.417
• Xx response global responses p.417
• Sip session description protocol sdp usage p.417
• Appendix e sip call flows p.418
• Successful call setup and disconnect p.419
• Unsuccessful call setup called user is busy p.421
• F1 invite b p.422
• User a proxy server user b p.422
• F8 ack p.422
• F7 ack p.422
• F6 486 busy here p.422
• F5 486 busy here p.422
• F4 100 trying p.422
• F3 100 trying p.422
• F2 invite b p.422
• F8 200 ok p.424
• F7 200 ok p.424
• F6 cancel p.424
• F5 cancel p.424
• F4 180 ringing p.424
• F3 180 ringing p.424
• F2 invite b p.424
• F1 invite b p.424
• User a proxy server user b p.424
• Unsuccessful call setup called user does not answer p.424
• Successful call setup and call hold p.426
• Successful call setup and call waiting p.428
• Call transfer without consultation p.433
• User c answers the call p.434
• Call is established between user a and user c p.434
• Administrator s guide for sip t4x ip phones p.434
• Call transfer with consultation p.437
• User a transfers the call to user c p.438
• Call is established between user b and user c p.438
• Administrator s guide for sip t4x ip phones p.438
• Always call forward p.442
• User c answers the call p.443
• Call is established between user a and user c p.443
• Appendix p.443
• Busy call forward p.446
• No answer call forward p.449
• Call conference p.452
• T4x sample configuration file p.457
• Network settings p.457
• Dial plan settings p.457
• Appendix f sample configuration file p.457
• Time settings p.458
• Phone lock p.458
• Language p.458
• Call waiting p.458
• Call hold p.458
• Auto redial p.458
• Auto dst settings p.458
• Hotline p.459
• Dtmf suppression p.459
• Call forward p.459
• Web server type p.459
• In phone mode p.459
• In custom mode p.459
• Remote phone book p.460
• Distinctive ring tones p.460
• Call transfer p.460
• Call conference p.460
• Action url p.461
• Access url of resource files p.462