[asterisk-users] asterisk dahdi fax problem

[Peter Gelencser]

Hi,

I run into a problem and I'm not shure what do I misconfigure. I've a 
B410P ISDN card with bri_cpe signalling and two Openvox (A1200, A800) 
cards with fxo_ks signalling, all with dahdi drivers. I can receive fax 
from a public number, but I can't send fax. The CLI says it picks up the 
line but no dialing. I tried the extension with an analog phone, it 
works fine, I can dial out (the required fax answers), I can dial 
extensions.

The settings in the extensions.conf are:

FAX=DAHDI/21

exten => 51,1,Dial(${FAX})
exten => 51,n,Playback(vm-nobodyavail)
exten => 51,n,Hangup()


What do I miss? Thanks for you help in advance.

Best regards,
Peter Gelencser