Adtran 4213924F1 Total Access 924, 3rd gen – T1 network interface, 24 FXS ports, DSX-1 port, 10/100 BaseT and IP Router. Includes G.168 Echo Cancellation and support for G.711 and G.729a CODECs. Supports VoIP applications using SIP. Router features include OSPF, BGP, RIP V1 and V2, Static routes, 802.1d Bridging (all protocols), CLI, Frame Relay and PPP WAN Protocols, SNMP, Telnet, Craft/Console port, TFTP support and stateful inspection firewall.