Session Initiation Protocol (SIP) Usage of the Offer/Answer Model
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From: The IESG <firstname.lastname@example.org> To: IETF-Announce <email@example.com> Cc: RFC Editor <firstname.lastname@example.org> Subject: Document Action: 'SIP (Session Initiation Protocol) Usage of the Offer/Answer Model' to Informational RFC (draft-ietf-sipping-sip-offeranswer-18.txt) The IESG has approved the following document: - 'SIP (Session Initiation Protocol) Usage of the Offer/Answer Model' (draft-ietf-sipping-sip-offeranswer-18.txt) as an Informational RFC This document has been reviewed in the IETF but is not the product of an IETF Working Group. The IESG contact person is Robert Sparks. A URL of this Internet Draft is: http://datatracker.ietf.org/doc/draft-ietf-sipping-sip-offeranswer/
Technical Summary The Session Initiation Protocol (SIP) utilizes the offer/answer model to establish and update multimedia sessions using the Session Description Protocol (SDP). The description of the offer/answer model in SIP is dispersed across multiple RFCs. This document summarizes all the current usages of the offer/answer model in SIP communication. Also, this document tries to incorporate the results of the discussions on the controversial issues to avoid repeating the same discussions later. This document does not make normative changes. Rather, it recommends how to use the existing standards to best effect. Working Group Summary This document began in the SIPPING working group, which reached consensus to request publication of an earlier version. After IETF Last Call, the community identified several significant changes and additions to the document. There has been discussion around whether the document should be PS or BCP instead of informational, with the consensus being that this document should be published as is to capture discussion to date and inform any future efforts to update the various proposed standards it references. Document Quality This document has received detailed revew from Christer Holmberg, Rajeev Seth, Nataraju A B, Byron Campen, Jonathan Rosenberg, Gonzalo Camarillo, Yang Gao, and Ben Campbell. Personnel Mary Barnes is the document's shepherd, Robert Sparks is the responsible AD.