Dear All,
I am developing the Streaming packet sniffing application; right now I implemented RTSP protocol packet sniffing. >From some documents and tutorials I came to know that the RTP and RTCP Packets starts after the getting the Play Response from the Server. But I observed in Ethereal trace some RTP packets are captured after getting the SETUP (RTSP)response packet. From client to server. The Testing scenario I have taken is At 10.0.1.253(local Server IP) I have the rtsp stream(contains both Audio and video), I played this rtsp Stream from 10.0.2.195(desktop sys) in Real Player and captured the packets using ethereal trace. After setup response from 10.0.1.253 to 10.0.2.195, I got the RTP packets from 10.0.2.195(Desktop) to 10.0.1.253 without any payload (malformed RTP Packet). After Play Response from 10.0.1.253 I got RTP packets all are from 10.0.1.253 to 10.0.2.195. My doubt is what the RTP packets from client to server represents. Because in combo RTCP packet the SSRC of receiver report(RR Packet type) is the SSRC of these Packets. Thanks and Regds, Prasanna Kumar.N, Software Engineer, R&D Networks, Mob:9000016358 ============================================= This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error, please notify the sender immediately by e-mail and delete this e-mail from your system. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the company. Finally, the recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any attachment with this email. IMImobile, Plot No:770, Road No : 44, Jubilee Hills, Hyderabad, India, 500033. www.imimobile.com <http://www.imimobile.com/> ============================================================================ ============================================================================ == This e-mail message has been scanned for Viruses and Content and cleared by Symantec Mail Security
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