Re: [Sofia-sip-devel] Missing contact from invite

2007-02-11 Thread Pekka Pessi 
On 2/11/07, Michael Jerris [EMAIL PROTECTED] wrote:
 Nua does not autorespond to the condition of missing contact header in
 an invite.  It's fine for us to do in the application, but would be nice
 for nua to do for us.  There is no completely clear guideline for what
 we should respond, but we are now using 400 Missing Contact Header as
 suggested in:
 https://lists.cs.columbia.edu/pipermail/sip-implementors/2006-March/012373.html
 which seems correct.

RFC 2543 lists Contact as optional so we should perhaps be more
tolerant here. However, other methods that have Contact as mandatory
header in their RFC, like UPDATE, SUBSCRIBE, NOTIFY and REFER, we
could reject those.

I think we could gather all 2543/3261 stuff under one option in order
to allow backwards-compatibility with 2543 or bis04 implementations.
Something like nutag_3261_me_gently_with_a_chainsaw? On the other
hand, nutag_2543_compat/ntatag_2543_compat would probably get less
publicity in entries like Fscked up coz of coding.

-- 
Pekka.Pessi mail at nokia.com

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[Sofia-sip-devel] Missing contact from invite

2007-02-10 Thread Michael Jerris 
8.1.1.8 Contact

   The Contact header field provides a SIP or SIPS URI that can be used
   to contact that specific instance of the UA for subsequent requests.
   The Contact header field MUST be present and contain exactly one SIP
   or SIPS URI in any request that can result in the establishment of a
   dialog.  For the methods defined in this specification, that includes
   only the INVITE request.


Nua does not autorespond to the condition of missing contact header in
an invite.  It's fine for us to do in the application, but would be nice
for nua to do for us.  There is no completely clear guideline for what
we should respond, but we are now using 400 Missing Contact Header as
suggested in:
https://lists.cs.columbia.edu/pipermail/sip-implementors/2006-March/0123
73.html  which seems correct.

Mike


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Get stuff done quickly with pre-integrated technology to make your job easier.
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