The
TDM800P is a PCI card used with Asterisk IP PBX (and variants) to
connect to traditional, analog telecommunication equipment. Adding FXS,
FXO and Echo Cancellation modules to the TDM00P base board creates a
"bundle". The TDM800P is a base board that supports Digium's FXS
(green), FXO (red) and Echo Cancellation modules.