Troubleshooting721TroubleshootingThis chapter provides an administrator with general information for troubleshooting somecommon problems that he (or she) may encounter while using IP phones.Troubleshooting MethodsIP phones can provide feedback in a variety of forms such as log files, packets, status indicatorsand so on, which can help an administrator more easily find the system problem and fix it.The following are helpful for better understanding and resolving the working status of the IPphone. Viewing Log Files Capturing Packets Enabling Watch Dog Feature Getting Information from Status Indicators Getting Information from Talk Statistics Analyzing Configuration FileViewing Log FilesIf your IP phone encounters some problems, commonly the log files are needed. You canconfigure the phone to periodically upload the log files to the provisioning server (only supportan FTP/TFTP as the provisioning server). There are two types of log files on the provisioningserver: -boot.log (e.g., 0015659188f2-boot.log) and -sys.log(0015659188f2-sys.log). The -boot.log file is uploaded to the provisioning server afterevery boot. The -sys.log file is uploaded periodically to the provisioning server. You canexport the log files to a syslog server or the local system. You can also specify the severity levelof the log to be reported to a log file. The default system log level is 3.In the configuration files, you can use the following parameters to configure system log settings: static.syslog.log_level -- Specify the system log level. The following lists the log level ofevents you can log:0: system is unusable1: action must be taken immediately2: critical condition3: error conditions4: warning conditions5: normal but significant condition