Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones 
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2.  In the Import CFG Configuration File block, click Browse to locate a CFG configuration 
file from your local system. 
 
3.  Click Import to import the configuration file. 
Exporting All the Diagnostic Files 
Yealink IP phones support three types of diagnostic files (including Pcap trace, log files 
(boot.log and sys.log) and BIN configuration files) to help analyze your problem. You can 
export these files at a time and troubleshoot if necessary. The file format of exported diagnostic 
file is *.tar. 
To export all diagnostic files via web user interface: 
1.  Click on Settings->Configuration. 
2.  Click Start in the Export All Diagnostic Files field to begin capturing signal traffic. 
The system log level will be automatically set to 6. 
3.  Reproduce the issue. 
4.  Click Stop in the Export All Diagnostic Files field to stop the capture. 
The system log level will be reset to 3.