AT530 series IP phone is an internet based voice network phone terminal supporting power supply through Ethernet. AT530 series IP phone adopts multiple voice control protocols and voice compression codec to directly convert analog voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide PSTN quality voice service AT530 IP phone supports SIP and IAX2 protocol, offering two 10/100Mbps Ethernet interface with built in router. AT-530 can accommodate both internet access and telephone connection on a single line, thus effectively using the existing broadband resources. It is compatible with various softswitch systems and VoIP voice gateways to provide broadband IP voice service.AT530 IP phone adopts the latest Ethernet power supply technology to not only save user investments, simplify network deployment, but also provide centralized power management.(accessory option)