Conventions for the Use of the Session Description Protocol (SDP) for Circuit-Switched Bearer Connections in the Public Switched Telephone Network (PSTN)

Document Type Replaced Internet-Draft (individual)
Authors Miguel García  , Simo Veikkolainen 
Last updated 2010-04-08 (latest revision 2008-10-30)
Replaced by RFC 7195
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo describes use cases, requirements, and protocol extensions for using the Session Description Protocol (SDP) Offer/Answer model for establishing audio media streams over circuit-switched bearers in the Public Switched Telephone Network (PSTN).


Miguel García (
Simo Veikkolainen (

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