It looks like you can do it via api command: http://wiki.freeswitch.org/wiki/Mod_commands#uuid_fileman

It seems the conference has stop-talking and start-talking events, so you can start the file and then have an ESL app that listens for the events and stops/starts the playback.

Let us know how that goes.

-Avi

On Thu, Jan 10, 2013 at 3:39 AM, 王迪 <wangd@alongtechnology.com.cn> wrote:
How to pause and resume play an audio file in conference?  For example: I create a conference room with some members, and play an audio file to them. When someone start-talking, I pause the playing. When nobody talking, I resume play the audio file.
 
BTW, In freeswitch-1.2rc, I tryed play,pause,resume commands, but pause and resume is for recording, not for my needs.
 

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