[asterisk-biz] Solving DTMF issue

[Kevin P. Fleming]

Trixter aka Bret McDanel wrote:
> dtmf in asterisk (rfc2833) violates the rfc.  There are many switches
> that usually are only "big carrier types" that do not properly deal with
> what asterisk sends.  I gave oej specifics as he was doing something
> relating to a filed bug on this issue.  I even wrote a patch, but until
> asterisk is no longer released gpl I cant contribute it (personal thing
> just as some wont contribute unless its gpl I wont contribute if it is).

This was only true with Asterisk up to and including 1.2; 1.4 and beyond
send proper RFC2833 (now RFC4833) DTMF telephone-events and
interoperability has been dramatically improved.

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