[asterisk-users] Callback DTMF Problem

[Nitesh Divecha]

Hello All,

I don't understand where is the problem...
I have Callback setup and it works fine when tested within US. Works 
fine meaning the DTMF tones are passed when prompted to enter the phone 
number. But when I test with some international countries, callback 
works but DTMF tones are not passed...

Is it: -
    a) Asterisk problem?
    b) Callback problem?
    c) VoIP provider problem?


Under sip.conf I have "dtmfmode = auto".

Please help...

Cheers,
Nitesh