User Guide for the VC400 Video Conferencing System104 Ensure that the ring volume is not set to 0, if it is, the icon will appear on thestatus bar of display device, and the icon will appear on the LCD screen ofthe VCP40 phone. Adjust the ring volume when the system is idle via the remote control or VCP40phone. For more information, refer to Audio Settings on page 50. Ensure that microphone of the remote system is not muted.System MaintenanceHow to reboot the phone?1. Press (Menu soft key) to enter main menu.2. Press or to scroll to the Advanced menu.3. Enter admin password (default password: 0000) in the Admin Password field.4. Press or press (Enter soft key).5. Press or to scroll to Reboot & Reset, and then press .6. Press or to scroll to Reboot, and then press .The display device prompts” Reboot the system? ”7. Select OK, and then press .You can reboot the system via web user interface at the path Setting->Upgrade.How to export PCAP trace?We may need you to provide a PCAP trace to help analyze your problem. ExportingPCAP trace is configurable via web user interface only.