Reliability of Provisional Responses in Session Initiation Protocol (SIP)
draft-ietf-sip-100rel-06

The information below is for an old version of the document that is already published as an RFC.
Document Type
This is an older version of an Internet-Draft that was ultimately published as RFC 3262.
Authors Henning Schulzrinne , Jonathan Rosenberg
Last updated 2020-01-21 (Latest revision 2002-02-28)
RFC stream Internet Engineering Task Force (IETF)
Intended RFC status Proposed Standard
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IESG IESG state Became RFC 3262 (Proposed Standard)
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Consensus boilerplate Unknown
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Responsible AD Allison J. Mankin
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draft-ietf-sip-100rel-06 
A new Request for Comments is now available in online RFC libraries.

        RFC 3262

        Title:      Reliability of Provisional Responses in Session
                    Initiation Protocol (SIP)
        Author(s):  jdrosen@dynamicsoft.com,
                    schulzrinne@cs.columbia.edu 
        Status:     Standards Track
        Date:       June 2002
        Mailbox:    jdrosen@dynamicsoft.com,
                    schulzrinne@cs.columbia.edu 
        Pages:      14
        Characters: 29643
        Obsoletes:  2543

        I-D Tag:    draft-ietf-sip-100rel-06.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3262.txt

This document specifies an extension to the Session Initiation
Protocol (SIP) providing reliable provisional response messages.  This
extension uses the option tag 100rel and defines the Provisional
Response ACKnowledgement (PRACK) method.

This document is a product of the Session Initiation Protocol Working
Group of the IETF.

This is now a Proposed Standard Protocol.

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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