Dears; I need to order Digium card and not able to know which one is the best quality? Is it that of AEX with the end E or EF or P or B? I saw those card that its slot is small (I think those that end by EF), are they the best card? Really I am car..
Dears; How I can increase the voice volume in the analogue line (at dahdi port) without getting a problems in the entered digits (when using Background function)? I got to know previously that it is possible to increase the gain at hardware and not softwa..