Re: [Sip] TCP to UDP rtcp media attributes in SDP not passing through nextone

aayush bhatnagar <abhatnagar192006@gmail.com> Fri, 12 February 2010 13:11 UTC

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Date: Fri, 12 Feb 2010 13:42:47 +0030
Message-ID: <abcc59881002120512l41572f59pd8f3570ebe774c69@mail.gmail.com>
From: aayush bhatnagar <abhatnagar192006@gmail.com>
To: Nitin Kapoor <nitinkapoorr@gmail.com>
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Cc: sip@ietf.org
Subject: Re: [Sip] TCP to UDP rtcp media attributes in SDP not passing through nextone
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Can you paste wireshark logs for both ends of the SBC?

On 12/02/2010, Nitin Kapoor <nitinkapoorr@gmail.com> wrote:
> Dear Friend,
>
> I have some query about UDP & TCP for signaling.
>
> Basically I am using TCP protocol for signaling from my customer to SBC and
> then SBC to Vendor using UDP for signaling. I mean CS user TCP to SBC, UDP
> to carrier.  And OCS sends initial 183 with sdp that contains rtcp media
> attribute information and SBC does not forward formation to carrier via UDP.
>
>
> Call Flow is like this.
>
> UAC (Private)                    SBC
> UAS(Public)
>
> |-----------Invite(TCP)---------->
> |                                                       |
> |
> |                                                       |
> |<-------- 100 Trying ------------ |
>                                           |
> |                                        | ----------- Invite
> (UDP)----------------------->|
> |
> |                                                       |
> |                                        |<--------- 100 Trying
> ---------------------------|
> |
> |                                                       |
>                                          | <---- 183 SDP Session
> Progress-------|
> |                                        |(183 SDP with RTCP Media
>     |
> |                                        |Attribute).
>                                        |
> |<--------- 183 SDP -------------
> |
> |
> | 183 SDP Session
> progress|                                                       |
> | Without RTCP Media         |
>                                                |
> |Attribute
> |                                                       |
> |
> |                                                       |
> |
> |                                                       |
> |
> |                                                       |
>
> Could anyone please help me out on this scenario. Why it’s not sending the
> RTCP attribute to my UAC? Is there anything related to standard.
>
> I can share the Traces, if its required.
>
> Thanks,
> Nitin Kapoor
>


-- 
aayush
http://in.linkedin.com/in/abhatnagar19
======

[Sip] TCP to UDP rtcp media attributes in SDP not… Nitin Kapoor
[Sip] TCP to UDP rtcp media attributes in SDP not… Nitin Kapoor
Re: [Sip] TCP to UDP rtcp media attributes in SDP… aayush bhatnagar
Re: [Sip] TCP to UDP rtcp media attributes in SDP… Nitin Kapoor
Re: [Sip] TCP to UDP rtcp media attributes in SDP… DRAGE, Keith (Keith)
Re: [Sip] TCP to UDP rtcp media attributes in SDP… Nitin Kapoor
Re: [Sip] TCP to UDP rtcp media attributes in SDP… Adam Roach