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RTP Payload Format for the iSAC Codec

Document Type Expired Internet-Draft (payload WG)
Expired & archived
Authors Tina le Grand , Paul Jones , Pascal Huart , Turaj Zakizadeh Shabestary, Harald T. Alvestrand
Last updated 2015-10-14 (Latest revision 2013-02-08)
Replaces draft-legrand-rtp-isac
RFC stream Internet Engineering Task Force (IETF)
Intended RFC status Proposed Standard
Additional resources Mailing list discussion
Stream WG state In WG Last Call
Document shepherd Roni Even
IESG IESG state Expired (IESG: Dead)
Action Holders
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD Richard Barnes
IESG note
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


iSAC is a proprietary wideband speech and audio codec developed by Global IP Solutions (now part of Google), suitable for use in Voice over IP applications. This document describes the payload format for iSAC generated bit streams within a Real-Time Protocol (RTP) packet. Also included here are the necessary details for the use of iSAC with the Session Description Protocol (SDP).


Tina le Grand
Paul Jones
Pascal Huart
Turaj Zakizadeh Shabestary
Harald T. Alvestrand

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)