[asterisk-users] T38 negotiations in RTP

[Kevin P. Fleming]

Ujjval Karihaloo wrote:
> Is there any t38 spec which details the T30 negotiations that occur in
> the Media/RTP PAth like the NSF, DSI etc frames that are exchanges
> between T38 gateways/endpoints.

The T.38 recommendation defines how T.30 negotiations are carried in IFP
(Internet Fax Protocol) packets; the definitions of the actual frames
are in the T.30 recommendation itself.

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Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
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