User's Manual

Chapter 17: Session Timer Service...................................................................................
193
Session-Expires header............................................................................................................................
193
Min-SE header..........................................................................................................................................
193
Provisioning...............................................................................................................................................
194
Chapter 18: Emergency Services......................................................................................
197
Overview...................................................................................................................................................
197
Location information..................................................................................................................................
198
Dialing plan configuration..........................................................................................................................
198
Feature impact on configuration tasks......................................................................................................
200
Network Element.......................................................................................................................................
201
Characteristics of emergency calls...........................................................................................................
201
Shut down and restart...............................................................................................................................
202
Chapter 19: IP Deskphone restrictions.............................................................................
203
Service package restrictions.....................................................................................................................
203
Distinctive Ringing feature........................................................................................................................
203
Chapter 20: NAT firewall traversal.....................................................................................
205
Chapter 21: Three-port switch and VLAN functionality...................................................
207
System overview.......................................................................................................................................
207
Chapter 22: SIP messages supported by the IP Deskphone..........................................
211
SIP methods..............................................................................................................................................
211
SIP responses...........................................................................................................................................
212
1xx Response—Information Responses...................................................................................................
212
2xx Response—Successful responses.....................................................................................................
213
3xx Response—Redirection responses....................................................................................................
213
4xx Response—Request failure responses..............................................................................................
214
5xx Response—Server failure responses.................................................................................................
216
6xx Response—Global responses............................................................................................................
217
Default error handling................................................................................................................................
217
SIP header fields.......................................................................................................................................
218
Session description protocol usage..........................................................................................................
220
SDP and Call Hold....................................................................................................................................
220
Transport layer protocols..........................................................................................................................
220
SIP security authentication........................................................................................................................
221
SIP DTMF Digit transport..........................................................................................................................
221
Supported subscriptions............................................................................................................................
221
Supported instant messaging...................................................................................................................
222
Chapter 23: Audio codecs..................................................................................................
223
Overview...................................................................................................................................................
223
VQMON Codec configuration....................................................................................................................
224
Network layer for the SDP negotiations....................................................................................................
224
Codec preference through Device Configuration......................................................................................
224
Codec preference selection on the IP Deskphone....................................................................................
226
Codecs preferences on the IP Deskphone...............................................................................................
227
Chapter 24: Certificate-based authentication...................................................................
229
Certificate-based authentication overview................................................................................................
229
Certificates overview.................................................................................................................................
230
Root certificate installation........................................................................................................................
231
SIP Software for Avaya 1200 Series IP Deskphones-Administration September 2013 9