Da Voismart Knowledge Base.
[Synopsis] Monitor a channel [Description] Monitor([file_format[:urlbase]|[fname_base]|[options]]): Used to start monitoring a channel. The channel's input and output voice packets are logged to files until the channel hangs up or monitoring is stopped by the StopMonitor application. file_format optional, if not set, defaults to "wav" fname_base if set, changes the filename used to the one specified. options: m - when the recording ends mix the two leg files into one and delete the two leg files. If the variable MONITOR_EXEC is set, the application referenced in it will be executed instead of sox and the raw leg files will NOT be deleted automatically. sox or MONITOR_EXEC is handed 3 arguments, the two leg files and a target mixed file name which is the same as the leg file names only without the in/out designator. If MONITOR_EXEC_ARGS is set, the contents will be passed on as additional arguements to MONITOR_EXEC Both MONITOR_EXEC and the Mix flag can be set from the administrator interface b - Don't begin recording unless a call is bridged to another channel Returns -1 if monitor files can't be opened or if the channel is already monitored, otherwise 0.