Yealink SIP-T48G - Manual (Page 161)

Troubleshooting
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7. Click Export to open file download window, and then save the file to your local
system.
You can also export the system log to a syslog server, contact your system administrator
for more information.
Note
How to export/import the phone configurations?
We may need you to provide the phone configurations to help analyze problem. In
some instance, you may need to import configurations to your phone.
To export the phone configurations via web user interface:
1. Click on Settings->Configuration.
2. Click Export to open file download window, and then save the file to your local
system.
It is recommended to reset the syslog level to 3 after exporting the system syslog.