A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Subscription Mobility for the Session Initiation Protocol (SIP) using SUBSCRIBE with Replaces
Author(s) : B. Jentz, et al.
Filename : draft-jentz-subscribe-with-replaces-01.txt
Pages : 20
Date : 2006-6-22
A device using the Session Initiation Protocol (SIP) may need to
perform a handover between networks that results in a corresponding
change to the mobile's SIP edge proxy. Alternatively, there may be
the need to transfer a SIP dialog from one device to another. In
both of these scenarios, the device needs a procedure to allow it to
take an existing SIP dialog and logically replace it with a new SIP
dialog. An important subset of these dialogs consists of the
device's subscription dialogs. This document proposes to extend the
SIP SUBSCRIBE method to include the Replaces header field for the
purpose of enabling a more robust solution to SIP subscription
mobility.
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