On Thu, 8 May 2003, suxen_drol wrote: > 2) decoder->encoder messaging format is not defined within mpeg4 visual > iso. however i believe its describe in the rtp handling specification. That one? http://www.cmlab.csie.ntu.edu.tw/~pkhsiao/RFC/rfc1889.txt "RTP: A Transport Protocol for Real-Time Applications" gruel