On 5/8/13 10:23 AM, Uttam Sarkar (usarkar) wrote:
> It's a deregister request. So you need to remove all the bindings for that
> AoR.
As Brett said, this comment is *wrong*!
The expires is applied to the specific contacts supplied in the
REGISTER, in this case none.
If you want to deregister all, then you can supply 'Contact:*' with a
zero expires.
It is all there in 3261.
Thanks,
Paul
> -----Original Message-----
> From: brezden [mailto:brez...@gmail.com]
> Sent: Wednesday, May 08, 2013 10:22 AM
> To: Keerthi Srinivasan
> Cc: sip-implementors@lists.cs.columbia.edu
> Subject: Re: [Sip-implementors] REGISTER message without Contact Header and
> Expires 0
>
> On 08/05/13 15:13, Keerthi Srinivasan wrote:
>> Registrar receives the REGISTER request with no contact header and
>> expires header with 0. what registrar has to do? it has to fetch all
>> the binding for the AOR or deregister binding? can any help me?
>
> From "RFC3261, Section 10.2 Constructing the REGISTER Request"
>
> The following header fields, except Contact, MUST be included in a
> REGISTER request. A Contact header field MAY be included...
>
>
> Regards,
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