[asterisk-users] Wouldn't Tri-tone detection in Dial() be cool?

[Bernardo Vieira]

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> I wonder if it has already been done somewhere?

http://www.voip-info.org/wiki/view/Asterisk+cmd+BackGroundDetect

It's not quite Tri-tone detection, and it's not done by the Dial()
commanda, but should yield the same result.
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