Hello, I have an issue with ATA 190 is not giving any dail tone .I am able to get incoming line ringing but No out going . Can anyone help us on this please ? Regards Srini

Vocie Gateway shifted physically E1 PRI service not working as  I could see the ISDN status layer 2 is Up. BT side it is saying the incompitable service when trying to establish the call. when I try making outgoing call ,error tone is coming .Not su...