Guidelines for the use of Variable Bit Rate Audio with Secure RTP

Document Type Replaced Internet-Draft (individual)
Authors Colin Perkins  , Jean-Marc Valin 
Last updated 2011-01-28 (latest revision 2010-12-12)
Replaced by RFC 6562
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Intended RFC status (None)
Expired & archived
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Stream Stream state (No stream defined)
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IESG IESG state Replaced by draft-ietf-avtcore-srtp-vbr-audio
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo discusses potential security issues that arise when using variable bit rate audio with the secure RTP profile. Guidelines to mitigate these issues are suggested.


Colin Perkins (
Jean-Marc Valin (

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