Yealink SIP-T4X Administration Manual page 248

5. Click OK to reboot the IP phone.
The system log will be exported to the desired syslog server after reboot.
To export a log file to the local system via web user interface:
1. Click on Settings->Configuration.
2. Mark the Local radio box In the Export System Log field.
3. Click Export to open file download window, and then save the file to your local
system.
4. Reproduce the issue.
The following figure shows a portion of a log file:
Troubleshooting
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