[asterisk-dev] SDP version

Kevin P. Fleming kpfleming at digium.com
Mon Jul 7 16:27:48 CDT 2008

Dmitry Andrianov wrote:

> The question is: does some SIP/SDP specification state that client MUST always change SDP version on T38 switchover? In this case it would be clearly a Kapanga bug which I will report to them. However I cannot find documentation which states that.

It has nothing to do with T.38 at all; the SDP version MUST be changed
if any of the media streams are changed. Changing codecs/formats is
clearly a media stream change.

Kevin P. Fleming
Director of Software Technologies
Digium, Inc. - "The Genuine Asterisk Experience" (TM)

More information about the asterisk-dev mailing list