Troubleshooting257TroubleshootingThis chapter provides an administrator with general information for troubleshooting somecommon problems that he (or she) may encounter while using the VC400/VC120 videoconferencing system.Troubleshooting MethodsThe system can provide feedback in a variety of forms, such as log files, packets, statusindicators and so on, which can help an administrator to find the system problem more easilyand resolve it.The following sections will help you to better understand and resolve the working status of thesystem. Viewing Log Files Capturing Packets Getting Information from Status Indicators Analyzing Configuration Files Viewing Call Statistics Using Diagnostic MethodsViewing Log FilesThe log files are Yealink specific debug files which may be requested by the Yealink supportorganization if you need technical support. The current log files are time stamped event log files.You can export the log files to a syslog server or the local system. The administrator can specifythe location where the log will be exported to and the severity level of the log.System Log Level specifies the log level to be recorded. The default system log level is 6.System log level parameters are described below:Parameter Description Configuration MethodExport System LogSpecify where the system log will beexported.Valid values: Local-export the system log tothe local computer. Server-export the system logWeb User Interface