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List:       sip-implementors
Subject:    RE: [Sip-implementors] Registrary server question
From:       "Chris Boulton" <cboulton () ubiquity ! net>
Date:       2003-06-18 8:32:33
Message-ID: 45730E094814E44488F789C1CDED27AE0219AFF5 () gbnewp0758m ! eu ! ubiquity ! net
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>-----Original Message-----
>From: Sergiy Tokarev [mailto:toksoft@usa.net]
>Sent: 17 June 2003 19:47
>To: Sip-implementors@cs.columbia.edu; Sip@vovida.org
>Subject: [Sip-implementors] Registrary server question
>
>Hello,
>
>Let's suppose we have SIP Server acting as a Registrary Server:
>
>Arrived 'REGISTER' from SIP Client message may have multiple 'Contact'
>header values.
>Could they have a different 'expires' subfields and what kind of action
>is required by Registrary Server in case of only one of Contacts
expires ?
>

[Chris Boulton] If an expires parameter exists on a contact, then it
should be used.

>Should that contact be dropped ?
>Should that entire URI entry should be dropped out of the registrants
pool
>?
>


[Chris Boulton] Definitely not.  If an expires parameter exists, then
use it for that contact.  If it does not exists, then look to see if
there is an expires general header and use it.  If still no joy, then
use a system default, usually 3600 seconds.
Chris. 

>--
>Best regards,
> Sergiy                          mailto:toksoft@usa.net
>
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