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Re: [Simple] SIP multisubscription (some more details)



Martin,

OK, that is different than I thought. Your question is then specifically about the sip-profile event type, not about the subscription mechanism in general.

	Paul

Martin.Hynar at tietoenator.com wrote:
Hi all again,

I'd like to add some more detailed view on the problem I'm trying to solve.

I'm using specification draft-ietf-sipping-config-framework-06 that in section 4.6 allows to subscribe arbitrary AUID. This means, I'm sending to server a request in form (only significant headers listed)

SUBSCRIBE sip:user at domain.com SIP/2.0
To: "Example" sip:user at domain.com
From: "Example" sip:user at domain.com;tag=12345
Call-ID: 1 at localhost
CSeq: 1000 SUBSCRIBE
Event: sip-profile;profile-type=application;app-id=resource-lists
Accept: message/external-body, application/sdp

This means, I'm not specifying particular document, so the server retrieves all documents owned by user in request and subscribes them. The server sends exatly one response (200 OK) if all documents were subscribed correctly. Then, the server sends multiple NOTIFY requests, one for each of subscribed documents. The established dialogue then lasts until some of the created subscriptions is in different state than "terminated". The problems with this solution were stated in my previous email.

Martin Hynar

Senior Developer

TietoEnator
Czech Software Centre

Direct +420 599 096 022
E-mail martin.hynar at tietoenator.com

Technologicka 372/2
CZ-708 00 Ostrava

www.tietoenator.com

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