Maybe a simple and stupid question, but I would like to configure call waiting with overlay-dn. I read that I have to use the "c" keyword in the "button" command in stead of the "o" keyword. But I am not able to enter the "c" keyword. When I enter th...

I have configured an E1 controller on a 2801 router. I want to call to a PSTN telephone. I can call, but the weird thing is, that the phone only rings ones. After that the connection is disconnected.Further is it not possible to call from the same PS...