The 3Com Asterisk Appliance is ideal for small office environments. The 3Com Asterisk Appliance can function not only as a PBX, but also as a voice mail server, IVR server, conferencing server, VoIP ATA, or VoIP gateway. It has four FXO ports and four FXS analog ports. Additionally, the built-in four port LAN switch and WAN port allow it to serve as a basic router. See the 3Com Partner Access web site or the 3Com ftp site for additional information and resources for the 3Com Asterisk Appliance,