The Cisco SPA8000 8-Port IP Telephony Gateway is a full-featured analog telephone adapter (ATA) for small businesses, providing enhanced communication services via a broadband connection to the Internet. The Cisco SPA8000 features eight RJ-11 FXS ports to connect analog telephones to IP-based data networks and includes a single multiport RJ-21 50-pin connector, offering an alternative connection choice when deploying the telephony gateway in varied environments. The device also has one 10/100BASE-T RJ-45 Ethernet interface to connect to either a router or a multilayer switch.