RTP Payload Format for the iSAC Codec
Paul Jones, Turaj Zakizadeh Shabestary, Harald Tveit Alvestrand, Pascal Huart · 2013
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).