I-D Action: draft-ietf-sipcore-rfc4028bis-06.txt
internet-drafts@ietf.org Thu, 27 January 2022 18:04 UTC
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Subject: I-D Action: draft-ietf-sipcore-rfc4028bis-06.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Session Initiation Protocol Core WG of the IETF. Title : Session Timers in the Session Initiation Protocol (SIP) Authors : Christer Holmberg Steve Donovan Jonathan Rosenberg Filename : draft-ietf-sipcore-rfc4028bis-06.txt Pages : 26 Date : 2022-01-27 Abstract: This document defines an extension to the Session Initiation Protocol (SIP). This extension allows for a periodic refresh of SIP sessions through a re-INVITE or UPDATE request. The refresh allows both user agents and proxies to determine whether the SIP session is still active. The extension defines two new header fields: Session- Expires, which conveys the lifetime of the session, and Min-SE, which conveys the minimum allowed value for the session timer. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-sipcore-rfc4028bis/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-sipcore-rfc4028bis-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-sipcore-rfc4028bis-06 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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