[asterisk-dev] DTMF end accepted without begin

[John Aughey]

I was having problems with consistent DTMF detection on a FXO Zap device, so
I turned on DTMF logging.  I noticed that it always reports "DTMF end
accepted without begin" for every digit pressed.  I've verified this on
1.4.15 and the latest svn release.  It indicates a duration of 0ms which is
consistent with not receiving a begin event.  The tones get "detected", but
it can't do any filtering based on duration this way.

This seems to be a core problem that the Zap layer isn't passing on
DTMF_BEGIN events.  Is this a known issue or is anyone working on this
problem?  Or could I have something messed up in my own configuration?

Thanks

John Aughey
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