Troubleshooting
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This chapter provides an administrator with general information for troubleshooting
some most common problems that may encounter while using the SIP-T2xP IP phones.
The IP phone can provide feedback in a variety of forms such as log files, packets, status
indicators and so on, which helps an administrator quickly find out the cause of failure
and do the troubleshooting more easily.
If you encounter a problem which is not listed in this chapter, contact your Yealink
reseller for further support.
The following are some methods for you to learn more about the working status of you IP
phone and quickly find out the cause of failure.
Viewing Log Files
Capturing Packets
Enabling the Watch Dog Feature
Getting Information from Status Indicators
Analyzing Configuration Files
The IP phone can log various events to log files. So if your IP phone encounters some
problems, commonly the log files are used. You can export the log files to a syslog
server or the local system. You can specify the location for which to save log files for
troubleshooting purposes using the configuration files or the web user interface. You can
also set the system log level to specify the severity level of the logs to be reported to a
log file. The system log level is 3 by default (Changes to this parameter via web user
interface require a reboot).
In the configuration files, you can use the following parameters to configure log settings:
syslog.server--Specify the IP address of the syslog server where to export the log
files.
syslog.log_level--Specify the severity level of the logs to be reported to a log file.
For more information about the log setting configuration parameters, refer to Log
Settings on page 165.
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