From: The IESG To: IETF-Announce Message-Id: Date: Thu, 25 Jan 2007 10:06:19 -0500 X-Spam-Score: -2.8 (--) X-Scan-Signature: 8abaac9e10c826e8252866cbe6766464 Cc: Internet Architecture Board , sipping mailing list , sipping chair , RFC Editor Subject: [Sipping] Document Action: 'Framework for Transcoding with the Session Initiation Protocol (SIP)' to Informational RFC The IESG has approved the following document: - 'Framework for Transcoding with the Session Initiation Protocol (SIP) ' as an Informational RFC This document is the product of the Session Initiation Proposal Investigation Working Group. The IESG contact persons are Jon Peterson and Cullen Jennings. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-sipping-transc-framework-05.txt Technical Summary This document defines a framework for transcoding with SIP. This framework includes how to discover the need of transcoding services in a session and how to invoke those transcoding services. Two models for transcoding services invocation are discussed: the conference bridge model and the third party call control model. Both models meet the requirements for SIP regarding transcoding services invocation to support deaf, hard of hearing, and speech-impaired individuals. Working Group Summary The SIPPING WG supports the advancement of this document. Protocol Quality This document was reviewed for the IESG by Jon Peterson.