RFC-4749 RTP Payload Format for the G.729.1 Audio Codec (G.729)
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Network Working Group A. Sollaud
Request for Comments: 4749 France Telecom
Category: Standards Track October 2006
RTP Payload Format for the G.729.1 Audio Codec
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2006).
Abstract
This document specifies a Real-time Transport Protocol (RTP) payload
format to be used for the International Telecommunication Union
(ITU-T) G.729.1 audio codec. A media type registration is included
for this payload format.
Table of Contents
1. Introduction ....................................................2
2. Background ......................................................2
3. Embedded Bit Rates Considerations ...............................3
4. RTP Header Usage ................................................3
5. Payload Format ..................................................4
5.1. Payload Structure ..........................................4
5.2. Payload Header: MBS Field ..................................4
5.3. Payload Header: FT Field ...................................6
5.4. Audio Data .................................................6
6. Payload Format Parameters .......................................7
6.1. Media Type Registration ....................................7
6.2. Mapping to SDP Parameters ..................................8
6.2.1. Offer-Answer Model Considerations ...................9
6.2.2. Declarative SDP Considerations .....................11
7. Congestion Control .............................................11
8. Security Considerations ........................................11
9. IANA Considerations ............................................12
10. References ....................................................12
10.1. Normative References .....................................12
10.2. Informative References ...................................12
Sollaud Standards Track [Page 1]
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