[Simple] Subscription refresment
Martin.Hynar@tietoenator.com Fri, 12 August 2005 07:23 UTC
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From: Martin.Hynar@tietoenator.com
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Date: Fri, 12 Aug 2005 09:22:50 +0200
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Subject: [Simple] Subscription refresment
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Hello, (sorry for the previous mail, I focused on content and forgot to fill the subject) I am currently testing some SIP SUBSCRIBE functionality, and there is one thing i am not 100% sure of - mechanism of refreshing a subscription. Our software implements functionality described in draft-ietf-sipping-config-framework (Framework for Session Initiation Protocol User Agent Profile Delivery) but there is nothing about refreshes - it references RFC 3265. RFC 3265: 3.1.4.2. Refreshing of Subscriptions At any time before a subscription expires, the subscriber may refresh the timer on such a subscription by sending another SUBSCRIBE request on the same dialog as the existing subscription, and with the same "Event" header "id" parameter (if one was present in the initial subscription). The handling for such a request is the same as for the initial creation of a subscription except as described below. So lets say, i'll send these messages: SUBSCRIBE sip:user@example.com SIP/2.0 // initial subscribe which creates a subscription to document 'index' which belongs to 'user' To: sip:user@example.com From: sip:user@example.com;tag=a2b3c1 Event:sip-profile;profile-type=application;app-id=resource-lists;document=index Call-ID: 55a4f4f62e607b58176548396prasePD11 CSeq: 1 SUBSCRIBE ... SIP/2.0 200 OK To: sip:user1@example.com;tag=12345 ... SUBSCRIBE sip:anotheruser@example.com SIP/2.0 // subscribe to another user - but it is sent on the same dialog, with the same Event header To: sip:anotheruser@example.com;tag=12345 From: sip:user@example.com;tag=a2b3c1 Event:sip-profile;profile-type=application;app-id=resource-lists;document=index Call-ID: 55a4f4f62e607b58176548396prasePD11 CSeq: 2 SUBSCRIBE ... Will the second subscribe just refresh the initial one, even if it has different sip uri in To header ? Thank you for your time, Martin Hynar Senior Developer TietoEnator Czech Software Centre Direct +420 599 096 022 E-mail martin.hynar@tietoenator.com Technologicka 372/2 CZ-708 00 Ostrava www.tietoenator.com _______________________________________________ Simple mailing list Simple@ietf.org https://www1.ietf.org/mailman/listinfo/simple
- [Simple] Subscription refresment Martin.Hynar