Da Voismart Knowledge Base.
[Synopsis] Listen to a channel, and optionally whisper into it [Description] ChanSpyChan(uniqueid[|options]): This application is used to listen to the audio from an Asterisk channel. This includes the audio coming in and out of the channel being spied on. The 'uniqueid' parameter has to be specified, While spying, the following actions may be performed: - Dialing # cycles the volume level. Options: q - Don't play a beep when beginning to spy on a channel, or speak the selected channel name. r[(basename)] - Record the session to the monitor spool directory. An optional base for the filename may be specified. The default is 'chanspy'. v([value]) - Adjust the initial volume in the range from -4 to 4. A negative value refers to a quieter setting. w - Enable 'whisper' mode, so the spying channel can talk to the spied-on channel. W - Enable 'private whisper' mode, so the spying channel can talk to the spied-on channel but cannot listen to that channel.