[Asterisk-Users] DTMF's indescipherable, but voice clean!

[Andrew Kohlsmith]

On Friday 27 January 2006 22:40, OK Computer wrote:
> After many hours today thinking that I had placed a bug into my dialplan, I
> realized that for some reason DTMF tones are simply not making it into
> asterisk! Calling into my pbx transmits crystal-clear audio in both
> directions. But dialing DTMF's from pstn->pbx is unsuccessful, while
> pbx->pstn works fine. The tones simply don't make it through. Tiny brief
> fragments are all.

How are you connected to the PSTN?

-A.