Yealink SIP-T20 User Manual

Troubleshooting
103
How to export system log?
We may need you to provide a system log to help analyze your problem.
To export a system log 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 rebooting the phone, the system log level is set as 6, the debug level.
5. Mark the Local radio box in the Export System Log field.
6. 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 phone configurations?
We may need you to provide the phone configurations to help analyze your problem. In
some instance, you may need to import configurations to the phone.
To export the phone configurations via web user interface:
1. Click on Settings->Configuration.
It is recommended you reset the system log level to 3 after you have the syslog file
provided.

Yealink SIP-T20 Specifications

General

Lines	2
Network	10/100 Mbps Ethernet
Wall Mountable	Yes
Operating Humidity	10% to 90% (non-condensing)
Display	132 x 64 pixel graphical LCD
Audio Codec	G.711, G.722, G.729A
Power Supply	Power over Ethernet (PoE)
Features	Call hold, mute, call forward, call waiting, call transfer, redial, volume control
Protocols Supported	SIP, HTTP, DHCP, TCP/IP/UDP, TFTP, DNS
Ethernet Ports	2 (10/100 Mbps)
Dimensions	200mm
Operating Temperature	0 ~ 40°C
Certifications	CE, FCC, RoHS