[Serusers] Registration Timeout
Jan Janak
jan at iptel.org
Tue Nov 16 13:42:14 CET 2004
One small note to the topic. Registrar can shorten the expires value but
must not extend it. I made a mistake while implementing min_expires
parameter, the parameter would extend the expiration interval, but the
registrar should reject such a registration instead. This is what
RFC3261 says and I will change the registrar to reject such
registrations later.
Jan.
On 15-11 09:34, Girish wrote:
> Hello,
>
> --- Marian Dumitru <marian.dumitru at voice-sistem.ro> wrote:
>
> > If you try your approach, it will be a discrepancy between what SER and
> > the phones think the expire value is. SER will consider the one received
> > in the original req. (it will ignore the new value forced from script
> > via append_hf() ) and the client will consider the value received in
> > reply ( the one forced from script via append_to_reply() ).
>
> Thanks!
>
> Yes. You are correct. RFC says that the registrar should honour the expires parameter/header in
> the REGISTER request. It can add an expires header if it is not present in the request. Our
> softphones dont send expires parameter in the requests, may be the reason why there are no issues.
>
> > Best regards,
> > Marian
>
> Best Regards,
>
> =====
> Girish Gopinath <gr_sh2003 at yahoo.com>
>
>
>
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