Planet VIP-156PE 802.3af PoE SIP ATA Analog Telephony Adapter 2 RJ-45 T.38 FoIP Ports: 1 LAN, 1 PC, 1 FXS Standard: SIP 2.0, SIP Outbound Proxy, STUN Fax Support: T.38, G.711 Pass-Through Power: 12V DC / 802.3af PoE Operating Temp: 0 to 50C