Capturing and Replaying RTP Traffic

Required software

Capturing and extracting RTP stream

Using Ethereal, capture traffic between endpoints:

Statistics – RTP – Show All Streams:

Select a stream and save as c:\captures\stream.rtp

Replaying the capture

Start Java Media Studio:

File – Open RTP Session

From the command line, use RTP Tools’ rtppplay to send the capture to the RTP listener:

rtpplay –f c:\captures\stream.rtp

Enjoy the show:

Tested with H.263 video and G.711 audio streams.

Author: Svyatoslav Pidgorny (sl at mvps dot org)
Version: 1.0 - March 2006. Published 18 June 2006.