Hi, It is difficult to say without a network trace, but try to send an INVITE with video after resuming the call. Regards, Fabian On Thu, Nov 29, 2012 at 7:04 AM, ????? <fantasyvideo at 126.com> wrote: > Hi,**** > > I have application which using pjsip to call and setup media > connection.**** > > First, I call another phone, then use vlc to deliver the video > and audio to it. The phone can display video and audio. Then this phone > hold on this call, after a while, resume it again. In this time, the phone > only can play the sound, but the video disappear.**** > > How should I fix it?**** > > Thank you in advance!**** > > ** ** > > ** ** > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20121129/3d7cce07/attachment-0001.html>