... and PSTN,support POE(optional). VoIP SIP IP phone with PSTN, two RJ-45 portsModel name ... , Firewall. Auto Call Routing Selection VOIP and PSTNDHCP client and server. Support PPPoE, (used for ADSL, ... support POE(optional)Data Features:Static/Dynamic WAN-IP-Addressing PPPoEManagementWeb, telnet and keypad management. Adjustable ... Rj-11 FXO(PSTN) PortSize: 220 x 170 x 65 mm (L x W x H) VoIP SIP IP phone