D-Link Dvg-N5402Sp, Internet Router With Voip Gateway, 1 X 10/100/1000 Port (Wan), 4 10/100/1000 (Lan), 2 X Fxs Rj-11 Ports, 1 Fxo (Lifeline) Rj-11 Port, 802.11 B/G/N, Support Call Control Protocol Sip, Support Qos, Nat, Ppp Over Ethernet, Ip/Mac Filterin