Troubleshooting157Wrong configurations may have an impact on your system use. You can exportconfiguration file to check the current configuration of the system and troubleshoot ifnecessary. For more information about how to export system configuration, refer toImporting/Exporting Configuration on page 148.You can enter the view call statistics screen during an active call. Information includes: Tocal Bandwidth: Uplink Bandwidth and Downlink Bandwidth. Video: Resolution, Codec, Bandwidth, Frame Rate, Jitter, Total Packet Lost, PacketLost(%) Protocol used during a call. Device information of the far site. Audio: Codec, Bandwidth, Sample Rate, Jitter, Total Packet Lost, Packet Lost(%) Share: Resolution, Codec, Bandwidth, Frame Rate.Use the remote control to select More->Call Statistics during an active call to view callstatistics.The system supports the following diagnostic methods: Audio Diagnose: Check whether the audio input device and audio output deviceare working properly. Camera Diagnose: Check whether the camera can pan and change focusnormally. Ping: Check whether the network between the near and far sites is connected. Trace Route: Check every network node between the near and far sites, and thetime cost for each node.To diagnose audio via the remote control:1. Select Menu->Diagnose menu.2. Select Audio Diagnose, and then press .3. Speak into the microphone.4. Check whether the microphone can pick up audio and play back the audioproperly.If the system plays back the audio normally, it means that audio works well.