The OpenVox X204 hybrid telephony card is a PCI 2.2 compliant card which supports 3 types interface: FXO/FXS, BRI and T1/E1/ J1. X204 Series card allows users to choose the number of FXO/FXS module according to individual needs. With no additional separate channel combiner and gateway access to products, each interface access 2 analog line via junction box. BRI ports can be configured for TE or NT mode individually by jumpers. It can provide 4 simultaneous voice calls over 2 ISDN BRI lines, turns your legacy ISDN BRI devices into powerful Voice over IP devices and provides a soft migration path from ISDN technology to the new Voice over IP world. T1/E1/ J1 interface is selectable on a per-card or per-port basis, and supports industry standard telephony and data protocols, including Primary Rate ISDN (both American and Standard Euro) protocol families for voice, PPP, Cisco, HDLC, and Frame Relay data modes. Both line-side and trunk-side interfaces are supported.
X204 Series Card works perfectly with the Open Source Asterisk® and enables users to take full advantages of the high performance and rich features of Asterisk®.