[asterisk-users] T38 negotiations in RTP

[Kevin P. Fleming]

Ujjval Karihaloo wrote:
> T38 rfc does not detail the sequence of t30 negotiations..
> Like v21 preamble, nsf, Dsi, what the correct sequence of t30  
> negotiation. Is.

T.38 is not an RFC, it's an ITU recommendation, as is T.30. The T.30 and
T.38 specifications (along with T.4 and a few others) fully specify the
FAX protocol, as they are the actual protocol specifications for FAX.

The recommendations can be found here:

http://www.itu.int/rec/T-REC-T/recommendation.asp?lang=en&parent=T-REC-T.4
http://www.itu.int/rec/T-REC-T/recommendation.asp?lang=en&parent=T-REC-T.30
http://www.itu.int/rec/T-REC-T/recommendation.asp?lang=en&parent=T-REC-T.38

-- 
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
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