Re: [OpenSIPStack] OpenSBC SIP multipart behaviour

[Craig G. <cra...@gm...>]

Hmmm,

I did definitely include them - and they are attached to the email in my
sent items, must have been stripped by Gmail or something.

You can download them from http://manky.ath.cx/lanside.cap and
http://manky.ath.cx/wanside.cap

Craig


-----Original Message-----
From: ope...@li...
[mailto:ope...@li...] On Behalf Of
Joegen E. Baclor
Sent: Thursday, 20 September 2007 10:35 PM
To: ope...@li...
Subject: Re: [OpenSIPStack] OpenSBC SIP multipart behaviour

Craig,

You forgot to attach the pcap files.

Joegen

Craig Guy wrote:
> Hi,
>
>  
>
> I am currently doing interop testing with Level3 who are a tier 1 VoIP
> provider in the USA.  The architecture I am using has a single box running
> OpenSBC listening on port 5060 and a copy of Callweaver running on port
> 10060 behind OpenSBC.  OpenSBC is running in B2BUA mode with upper
> registration and is handling both SIP and RTP.
>
>  
>
> I have found during interop testing that OpenSBC is not preserving the SDP
> when initiating the second leg of the call to Callweaver, causing
Callweaver
> to reject the call with '488 - Not Acceptable Here'.
>
>  
>
> The difference between the Level3 SIP and other SIP that I've seen is that
> Level3 are including multiple parts in the message body.  If I take
OpenSBC
> out of the equation and have Level3 talk directly to my Callweaver then
> there is no problem.
>
>  
>
> I have included two tcpdumps of a session.  The first dump, wanside.cap is
> the session from Level3 to OpenSBC and the second dump (lanside.cap) is
the
> session between OpenSBC and Callweaver.  I am happy to capture and provide
> OpenSBC log and debug if required.
>
>  
>
> I'd be interested to know if this is a bug, or otherwise.
>
>  
>
> Craig
>
>  
>
>  
>
>  
>
>  
>
>   
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