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List:       sr-users
Subject:    [Serusers] Processing of OPTIONS Request
From:       andy.blen () iptel ! org (Andy Blen)
Date:       2003-06-19 18:49:41
Message-ID: 5.2.0.9.0.20030619204425.03314db0 () iptel ! org
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sorry -- that was a reply meant to be sent to other question. As for your OPTIONS
question -- if you mean a proxy server by "the server", than correct behavior is
as it is, which is OPTIONS is processed and forwarded. 100 is ok in stateful mode.
The final reply is generated by UAS (unless there is an obvious reason to reply
localy, like if max-forwards is zero).

In general, questions about the SIP standard are best placed to sip-implementors 
mailing list.

Regards,

andy


At 08:38 PM 6/19/2003, Andy Blen wrote:
> Reading documentation may be very helpful to you, in particular
> http://www.iptel.org/ser/doc/seruser-html/x878.html#AEN883
> 
> -andy
> 
> At 07:48 PM 6/19/2003, Chintan Thakker wrote:
> > Hi,
> > Should the server produce a 100 - TRYING (Stateful)/200 - OK (Stateless) to the \
> > calling party when an OPTIONS message is sent to it. [11.2 processing of OPTIONS \
> > request @ rfc3261 - "The response code chosen MUST be the same that would have \
> > been chosen had the request been an INVITE"]

That refers to a UAS (not a proxy).

> > Currently the server just forwards the OPTIONS message (to the called party) \
> > without sending a (200/100) back to the calling party.

which is correct


> > Thanks,
> > 
> > Platform: GNU/Linux 2.4.18-14 i686
> > Server: Sip EXpress router (0.8.11pre29 (i386/linux))
> > 
> > 
> > -- Start OPTIONS message --
> > 2003/06/19 12:40:05.819450 192.1.2.88:5060 -> 192.1.2.17:5060
> > OPTIONS sip:9727610001 at 192.1.2.17 SIP/2.0.Via: SIP/2.0/UDP 192.1.2.88:5060;
> > branch=z9hG4bKkdjuw.Max-Forwards: 70.From: "9727619271"    
> > <sip:9727619271@
> > 192.1.2.88>;tag=323.To: sip:9727610001 at 192.1.2.17.Call-ID: 517928895 at 192.1.
> > 2.88.CSeq: 1 OPTIONS..
> > -- End OPTIONS message --
> > 
> > _______________________________________________
> > Serusers mailing list
> > serusers at lists.iptel.org
> > http://lists.iptel.org/mailman/listinfo/serusers
> 
> --
> Andy Blen
> iptel.org Services 

--
Andy Blen
iptel.org Services 


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