Openvox FXS100 Single Channel FXS Module for A400 A800 A1200Model: FXS100Retail Price: $45 Overview The FXS100 FXS module allows OpenVox analog A400 A800 A1200 Series cards to terminate analog telephones. Because of the modular design, users can activate additional ports at any time with more FXS100 or FXO100 modules. The FXS100 module passes all the call features any standard analog telephone will support. Functions: FXS Foreign Exchange Station FXO Foreign Exchange Office An FXS device initiates and sends