Yealink T48G, Administrator'S Manual

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Troubleshooting
582
Item Description

52: T21(P) E2

53: T19(P) E2
2
82
Firmware generation.
Note: The larger it is, the newer the firmware
generation is.
3
0 A fixed number.
4
20
Firmware version.
Note: With the same firmware generation, the
larger it is, the newer the firmware version is.
The IP phone does not update the configurations
Do one of the following:

Ensure that the configuration is set correctly.

Reboot the phone. Some configurations require a reboot to take effect.

Ensure that the configuration is applicable to the IP phone model.

The configuration may depend on support from a server.
System Log Issues
Fail to export the system log to a provisioning server (FTP/TFTP server)
Do one of the following:

Ensure that the FTP/TFTP server is downloaded and installed on your local system.

Ensure that you have configured the FTP/TFTP server address correctly via web user interface on
your IP phone.

Reboot the phone. The configurations require a reboot to take effect.
Fail to export the system log to a syslog server
Do one of the following:

Ensure that the syslog server can save the syslog files exported from IP phone.

Ensure that you have configured the syslog server address correctly via web user interface on your
IP phone.

Reboot the phone. The configurations require a reboot to take effect.