A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : SIP Combined Registration and Subscription
Author(s) : A. Idnani, T. Hallin, S. Upp
Filename : draft-idnani-sip-comb-reg-subscr-00.txt
Pages : 10
Date : 2002-10-2
This memo proposes that the headers of REGISTER and SUBSCRIBE be
combined, so that a REGISTER message can also be treated as an
implicit subscription for events. This memo identifies the need for
doing this, and then explains how combining the Registration and
Subscription solves the problem. It also presents an example flow
demonstrating the use of this combined registration and subscription.
The headers being combined will be made optional in the REGISTER and
SUBSCRIBE messages - depending on where they do not appear as of
today - so that backward compatibility is maintained.
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