Yealink SIP-T2 SERIES Administrator's Manual page 925

Parameter
None
To capture packets via web user interface (take SIP-T23G IP phones for example):
1. Click on Settings->Configuration.
2. Click Start to start capturing signal traffic.
3. Reproduce the issue to get stack traces.
4. Click Stop to stop capturing.
5. Click Export to open the file download window, and then save the file to your local
system.
To capture packets via web user interface (take SIP VP-T49G IP phones for example):
1. Click on Settings->Configuration.
2. Enter the desired value in the Packet Capture Count field.
3. Enter the desired value in the Packet Capture Clip Bytes field.
4. Select the desired value from the pull-down list of Pcap Filter Type.
If Custom is selected, enter the desired packet filter string in the Packet Filter String
field.
5. Enter the desired value in the Packet Filter String field.
6. Click Start to start capturing signal traffic.
7. Reproduce the issue to get stack traces.
8. Click Stop to stop capturing.
Permitted Values
Troubleshooting
Default
903