How do I match a "D"? (Was: RE: [Asterisk-Users] In-band disconn ect problem (legacy PBX) - asterisk doesn't hear the touchtone?)

[David Brodbeck]

> -----Original Message-----
> From: David Brodbeck [mailto:DavidB at mail.interclean.com]

> Okay, the problem appears to be that I'm tone deaf. ;)
> 
> I finally thought to turn on debugging on the channel.  The 
> PBX is sending
> "D", not "*".  The programmer of the previous voice mail system (whose
> configuration I was cribbing from) seems to have made the 
> same mistake.

Is there some trick for matching the "letter" tones?  I added this
extension:
exten => D,1,Goto(bye,s,1)

But it doesn't trigger, even though I see this debugging output when I hang
up:
<< [ TYPE: DTMF (1) SUBCLASS: D (68) ] [Zap/1-1]