Digium, Inc.
Page 40
Chapter 3: Configuration
4.
If your card has any green FXS modules, add the following:
fxoks =
fxoks uses kewlstart signalling, which is loopstart signalling with
disconnect supervision. For example, a TDM440E card would be
configured as the following:
fxoks = 1-4
OR
fxoks = 1,2,3,4
5.
An example TDM422E card configuration would be:
fxoks = 1-2
fxsks = 3-4
OR
fxoks = 1,2
fxsks = 3,4
6.
DAHDI uses modular echo cancellers that are configured per channel.
The echo cancellers are compiled and installed as part of the dahdi-
linux package. You can specify the echo canceller to be used for each
channel. The default behavior is for there to be no echo canceller on
any channel. So, it is very important that you specify one in the
