The rtptools distribution consists of a number of small applications that can be used for processing RTP data. rtpplay play back RTP sessions recorded by rtpdump rtpsend generate RTP packets from textual description, generated by hand or rtpdump rtpdump parse and print RTP packets, generating output files suitable for rtpplay and rtpsend rtptrans RTP translator between unicast and multicast networks WWW: http://www.cs.columbia.edu/irt/software/rtptools/