AVer CM5000 - Manual (Page 21)

14
3.4.6 Use 2-way Audio Function
[Note] This function can be operated in preview mode only.
The 2-way audio function allows user to talk to the remote NVR/DVR site through the speaker
and microphone.
Right-click on name of NVR/DVR server in Camera list section and select 2-way audio.
When connection is successful, user should see the communication successful message
dialog is appeared on screen. Click Close button can disconnect the connection.
[Note] 1. If the connection is failed, please check the speaker and microphone is stalled
properly on the PC that runs CM5000.
2. If the remote NVR/DVR server has connected with other device on 2-way audio, then,
the connection will fail, too.