Yealink VC400 User Manual

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User Guide for the VC400 Video Conferencing System74You can enable mute mode, record video, control the video and change video layoutduring an active call.You can enable mute mode to mute the microphone of the active audio device duringan active call, and then the other party cannot hear you.To mute a call:Do one of the following:- Press on the remote control.The icon will appear on the local video.- Press on the VCP40 phone.The LED indicators on the VCP40 phone will illuminate solid red, the LCD screen isshown as below:- Login to the web user interface, check the Mute checkbox.The icon will appear on the local video of the web user interface.If voice quality is poor during a call, you can enter the Call Statistics screen to view thecurrent status of the call to find out why.Codec, bandwidth, total packet lost and other parameters about presentation areincluded in the call statistics. For example, when a delay occurs or the video has a„mosaic‟ look, you can view the total packet loss to check whether the packet has beenlost.Call statistics can be configured via the remote control or web user interface.To view call statistics via the remote control:1. Press (More soft key) during an active call.