... with 1 PSTN Port, Power over Ethernet, support 3 sip accounts,auto call routing selection VOIP, support PSTN,POE..... IP Phone with ... POE(Power over Ethernet), 2 RJ-45 portsModel Name ... ID display DND(Do Not Disturb),Black List,Limit List Support POE(optional)Data FeaturesStatic/Dynamic WAN-IP-Addressing PPPoEManagementWeb, ...