Yealink SIP-T2 Series - Page 23

Table of Contents
xxiii
Secure Real-Time Transport Protocol (SRTP) ............................................................................................................ 885
Encrypting and Decrypting Files ..................................................................................................................................... 888
Configuration Parameters ........................................................................................................................................ 888
Encrypting and Decrypting Configuration Files .............................................................................................. 893
Encrypting and Decrypting Contact Files .......................................................................................................... 896
Incoming Signaling Validation ........................................................................................................................................ 896
Troubleshooting ......................................................................... 899
Troubleshooting Methods ................................................................................................................................................ 899
Viewing Log Files ......................................................................................................................................................... 899
Capturing Packets ........................................................................................................................................................ 914
Enabling Watch Dog Feature .................................................................................................................................. 916
Getting Information from Status Indicators ..................................................................................................... 917
Analyzing Configuration Files ................................................................................................................................. 918
Exporting All the Diagnostic Files ......................................................................................................................... 921
Ping and Traceroute ................................................................................................................................................... 922
Troubleshooting Solutions ................................................................................................................................................ 924
IP Address Issues.......................................................................................................................................................... 924
Time and Date Issues ................................................................................................................................................. 925
Display Issues ................................................................................................................................................................ 926
Phone Book Issues ...................................................................................................................................................... 926
Audio Issues ................................................................................................................................................................... 926
Wi-Fi and Bluetooth Issues ...................................................................................................................................... 927
Firmware and Upgrading Issues ............................................................................................................................ 928
Provisioning Issues ...................................................................................................................................................... 929
System Log Issues ....................................................................................................................................................... 930
Resetting Issues ............................................................................................................................................................ 930
Rebooting Issues .......................................................................................................................................................... 934
Protocols and Ports Issues ....................................................................................................................................... 936
Password Issues ............................................................................................................................................................ 939
Logo Issues ..................................................................................................................................................................... 939
Power and Startup Issues ......................................................................................................................................... 939
Other Issues ................................................................................................................................................................... 940
Appendix..................................................................................... 943
Appendix A: Glossary ........................................................................................................................................................... 943
Appendix B: Time Zones .................................................................................................................................................... 945
Appendix C: Trusted Certificates .................................................................................................................................... 946
Appendix D: Configuring DSS Keys ............................................................................................................................... 948
Appendix E: Auto Provisioning Flowchart (Keep User Personalized Configuration Settings) .............. 968
Appendix F: Static Settings ............................................................................................................................................... 969
Appendix G: Reading Icons ............................................................................................................................................... 975
Appendix H: SIP (Session Initiation Protocol)............................................................................................................ 984