search for: phoneco

Displaying 1 result from an estimated 1 matches for "phoneco".

Did you mean: phonec
2005 Oct 12
3
Calibrating both RX and TX gain?
Hello! I'm having an echo problem with a TDM card. The TDM card is being fed by a channel bank just 12 or so feet away. When you put an analog handset on the line, both the RX and TX volume seem to be just fine. However, when I use the TDM card, I have to have an rxgain of 13.5, and even then, the audio is relatively quiet. I'm also getting echo on these lines, so I have turned