Yealink SIP-T48G - Manual (Page 160)

User Guide for the SIP-T48G IP Phone
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Any reboot of the phone may take a few minutes.
How to export PCAP trace?
We may need you to provide a PCAP trace to help analyze your problem.
To export a PCAP trace via web user interface:
1. Click on Settings->Configuration.
2. Click Start to begin capturing signal traffic.
3. Recreate the error to be documented in the trace.
4. Click Stop to stop the capture.
5. Click Export to open file download window, and then save the file to your local
system.
How to export system log?
We may need you to provide a system log to help analyze your problem.
To export the system log to local PC via web user interface:
1. Click on Settings->Configuration.
2. Select 6 from the pull-down list of System Log Level.
3. Click Confirm to accept the change.
The web user interface prompts “Do you want to restart your machine?”. The
configuration will take effect after reboot.
4. Click OK to reboot the phone.
After the IP phone finishes reboot, the system log level is set as 6, the debug level.
5. Mark the Local radio box in the Export System Log field.
6. Reproduce the issue.