[SIPForum-discussion] How to find packet is SIP or RTP

[Gopalakrishnan A.N]

SDP - Session Description Protocol is the information used while RTP is
transferred. The messages are Time description, media description and
session description. Check this RFC http://tools.ietf.org/pdf/rfc3550.pdf

On Tue, Apr 5, 2011 at 5:25 PM, mohit <mohitm at cdac.in> wrote:

> Hi,
>
> I have a doubt that by looking at the UDP packet, how to find out if the
> packet is SIP or RTP. We cannot use destination port info as some
> servers may use port other than 5060 (Default port for SIP).
> What field should be used while parsing the packet to identify if packet
> is SIP or RTP?
>
> Regards
> Mohit.
>
>
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-- 
Thank you  with regards,
Gopalakrishnan A.N.
VoIP call - sip:saigop at gtalk2voip.com
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