Yealink SIP-T2XP, Administration Manual

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Table of Contents
3
Transport Layer Security ................................................................................................................ 75
Encrypting Configuration Files ..................................................................................................... 78
Changing the AES Keys on the IP Phone .............................................................................. 79
Upgrading the Firmware ........................................................ 81
Resource Files ......................................................................... 83
Replace Rule Template ................................................................................................................. 83
Dial-now Template ......................................................................................................................... 84
Local Contact File .......................................................................................................................... 85
Remote XML Phonebook ............................................................................................................... 87
Specifying the Access URL of Resource Files .............................................................................. 88
Troubleshooting ...................................................................... 91
Troubleshooting Methods ............................................................................................................. 91
Viewing Log Files .................................................................................................................... 91
Capturing Packets .................................................................................................................. 92
Enabling the Watch Dog Feature .......................................................................................... 93
Getting Information from Status Indicators .......................................................................... 93
Analyzing Configuration Files ............................................................................................... 94
Troubleshooting Solutions ............................................................................................................. 94
Why is the phone LCD screen blank? ................................................................................... 94
Why can’t the phone obtain the IP address? ....................................................................... 94
Why does the phone display ―No Service‖? ....................................................................... 95
Why can’t the phone upgrade successfully? ....................................................................... 95
Why doesn’t the phone display time and date correctly? ................................................. 95
Why do I get poor audio during a call? ............................................................................... 95
Why doesn’t the phone apply the configuration? ............................................................... 96
How to solve the IP conflict problem? .................................................................................. 96
How to upgrade the phone firmware in the recovery mode? ........................................... 96
How to reset your phone to factory configurations? ........................................................... 96
Appendix ................................................................................ 99
Appendix A: Glossary ................................................................................................................... 99
Appendix B: Configuration Parameters .................................................................................... 101
Setting Parameters in Configuration Files .......................................................................... 101
Basic and Advanced Parameters ....................................................................................... 101
Security Feature Parameters ............................................................................................... 159
Upgrading the Firmware ..................................................................................................... 161
Resource Files ....................................................................................................................... 163
Troubleshooting .................................................................................................................... 165
Configuring DSS Key ............................................................................................................ 166