>Should I look for specific packets in RTP-over-TCP that are some >sort of keep-alive?
Yes, the client (should) send periodic RTCP "RR" packets - for both RTP/UDP and RTP/TCP. VLC and QuickTime Player should send these; for RealPlayer, I can't say for sure. -- Ross Finlayson Live Networks, Inc. http://www.live555.com/ _______________________________________________ live-devel mailing list live-devel@lists.live555.com http://lists.live555.com/mailman/listinfo/live-devel