A new Request for Comments is now available in online RFC libraries.
RFC 4488
Title: Suppression of Session Initiation Protocol
(SIP) REFER Method Implicit Subscription
Author: O. Levin
Status: Standards Track
Date: May 2006
Mailbox: oritl@microsoft.com
Pages: 8
Characters: 17264
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-sip-refer-with-norefersub-04.txt
URL: http://www.rfc-editor.org/rfc/rfc4488.txt
The Session Initiation Protocol (SIP) REFER extension as defined in
RFC 3515 automatically establishes a typically short-lived event
subscription used to notify the party sending a REFER request about
the receiver's status in executing the transaction requested by the
REFER. These notifications are not needed in all cases. This
specification provides a way to prevent the automatic establishment
of an event subscription and subsequent notifications using a new
SIP extension header field that may be included in a REFER request.
[STANDARDS TRACK]
This document is a product of the Session Initiation Protocol
Working Group of the IETF.
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and
suggestions for improvements.Please refer to the current edition of
the Internet Official Protocol Standards (STD 1) for the standardization
state and status of this protocol. Distribution of this memo is
unlimited.
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Authors, for further information.
Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute
...
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