D-LINK DVG-5402SP, Internet Router with VoIP Gateway, 1 10/100 BaseT port, 4 10/100BASE-TX Fast Ethernet (LAN), 2 FXS RJ-11 ports, 1 FXO (LifeLine) RJ-11 port, Support Call Control Protocol SIP, Support QoS, NAT, PPP over Ethernet IP/MAC filtering, S
