Yealink VC 400 User Manual

Also see for VC400: Getting started Recovery guide Administrator's guide Administrator's guide Administrator's guide

Contents

User Guide for the VC400 Video Conferencing System122well.6. Press (Back soft key) to stop camera diagnostics.Network diagnosis:1. Press (Menu soft key) to enter main menu.2. Press or to select the Diagnose menu.3. Press or to scroll to Ping, and then press .4. Enter IP address (for example, the IP address of the remote system)5. Press or to select Start, and then press .6. Press (Back soft key) to return to Diagnose menu.It measures the round-trip time from transmission to reception and reports errorsand packet loss. The results of the test include a statistical summary of the responsepackets received, including the minimum, maximum, and the mean round-triptimes.Trace Route:1. Press (Menu soft key) to enter main menu.2. Press or to select the Diagnose menu.3. Press or to scroll to Trace Route, and then press .4. Enter IP address (for example, the IP address of the remote system)5. Press or to select Start, and then press .6. Press (Back soft key) to return to Diagnose menu.If the test is successful, the VC400 system lists the hops between the system and theIP address you entered. You can check whether congestion happens via the timecost between hops.Why can‟t the system place a call? Check the network is available. When making a call using an account, check that the account is registered. Ensure the remote system supports the same call protocol as the local system. If youwant to place a call using another protocol, refer to Call Protocol on page 74.Why can‟t the system receive calls? Check the network is available. When receiving a call using an account, check that the account is registered. Check that DND (Do Not Disturb) mode is deactivated on your system. Refer to DoNot Disturb (DND) on page 97.