OK, I set conference-flags and member-flags to video-bridge, I can see the video each other. now we can research how to decide to see which party in the bridge. wilddragon@163.com From: wilddragon@163.com Date: 2014-11-07 09:01 To: FreeSWITCH Users Help Subject: Re: [Freeswitch-users] how to use mod_conference conference-flags and member-flags: video-bridge In this case, I can not see any video beside black picture, I'd like to know how to see the video coming from other parties,and how to control to see which party. wilddragon@163.com From: Michael Jerris Date: 2014-11-06 21:49 To: FreeSWITCH Users Help Subject: Re: [Freeswitch-users] how to use mod_conference conference-flags and member-flags: video-bridge What specifically are you looking to control? On Nov 6, 2014, at 2:12 AM, Daniel Kou <wilddragon@163.com> wrote: I can set conference-flags to audio-always|video-bridge , but I don't know how to join and control the video conference in this case. who can help me? thanks.