[Asterisk-Users] Weird DTMF issue

Tue Aug 12 15:41:23 MST 2003

they might be too lound

regards
Martin

On Tue, 12 Aug 2003, Lee Goodman wrote:

> Can anyone explain why this is happening?
>
> I have a server attached to a phone line that will play a .wav file, then play all the dtmf digits (after it answers the call). If I place a call from a SIP device (like a Cisco 7960 phone) through Asterisk and on to the test server, via PSTN, the .wav file sounds fine, but the DTMF digits are distorted
>
> ----->------------->--------------------audio in this direction ------>-------------------->-------------------->
> [test server that plays .wav file then DTMF digits] -----PSTN-------[Asterisk]-----SIP----[Cisco 7960]
> ----<------------------------------------call setup in this direction ---------<---------------< ---------------<
>
> The Asterisk is set for DTMF=inband , codec g711ulaw