Yealink T46G

Table of Contents
xiii
Capturing Packets ................................................................................................................... 348
Enabling Watch Dog Feature .................................................................................................. 351
Getting Information from Status Indicators ............................................................................. 352
Analyzing Configuration File ................................................................................................... 352
Troubleshooting Solutions ............................................................................................................. 354
IP Address Issues ..................................................................................................................... 354
Audio Issues ............................................................................................................................ 355
Upgrading Issues .................................................................................................................... 356
Provisioning Issues .................................................................................................................. 358
Resetting Issues ...................................................................................................................... 358
Rebooting Issues ..................................................................................................................... 359
Protocols and Ports Issues ...................................................................................................... 360
Display Issues .......................................................................................................................... 362
Directory Issues ....................................................................................................................... 362
Time and Date Issues .............................................................................................................. 362
System Log Issues ................................................................................................................... 362
Password Issues ...................................................................................................................... 363
Other Issues ............................................................................................................................ 363
Appendix ................................................................................365
Appendix A: Glossary ..................................................................................................................... 365
Appendix B: Time Zones ................................................................................................................. 366
Appendix C: Trusted Certificates .................................................................................................... 368
Appendix D: SIP (Session Initiation Protocol) .................................................................................. 369
RFC and Internet Draft Support ............................................................................................... 370
SIP Request ............................................................................................................................. 373
SIP Header .............................................................................................................................. 374
SIP Responses ......................................................................................................................... 375
SIP Session Description Protocol (SDP) Usage......................................................................... 378
Appendix E: SIP Call Flows .............................................................................................................. 378
Successful Call Setup and Disconnect ..................................................................................... 378
Unsuccessful Call Setup—Called User is Busy ........................................................................... 381
Unsuccessful Call Setup—Called User Does Not Answer .......................................................... 383
Successful Call Setup and Call Hold ........................................................................................ 385
Successful Call Setup and Call Waiting .................................................................................... 388
Call Transfer without Consultation .......................................................................................... 392
Call Transfer with Consultation................................................................................................ 395
Call Conference ....................................................................................................................... 400
Index ......................................................................................405