OpenVox A800E delivers great voice quality in the telephony systems. With interchangeable FXS/FXO modules, it can eliminate the requirement for separate channel banks or access gateways. The A800E contains 8 module banks. Each bank supports one analog interface. The module banks may be filled with up to 8 FXO or FXS modules enabling the creation of any combination of ports. Scaling of an analog card solution is accomplished by simply adding additional cards. A800E works with Asterisk®, Elastix®, FreeSWITCHTM, PBX in a Flash, trixbox®, YateTM and IPPBX/IVR projects as well as other Open Source and proprietary PBX, Switch, IVR, and VoIP gateway applications.