1、The dual‑port internet phone adapter has a fax function. Support SIP V2 protocol. 2、Support multi‑speech compression G.711, G.726, G.729, G.723.1. Configuration is easily done through internet explorer. 3、Internet phone adapter, with it, you can easily achieve long distance calls or free global calls along with broadband network, router, orinary telephone.(Broadband network + router + Gateway + ordinary telephone = save domestic or international long dis. 4、Complete firmware upgrade automatically, key management procedures, access encryption, high safety level. 5、Equipped with network cable and instruction book, ensure you can use it. Conditon: 100% Brand New Item Type: VoIP Gateway Material: ABS Color: As Pictures ShownStandard: IEEE 802.3, IEEE 802.3u Port: 1 10/100 M RJ-45 network interface, 2 standard telephone interfaces, 1 power interface Cable type: RJ45 Category 5 twisted pair; RJ11 standard telephone line Base indicator: Power, Ethernet, telephone (1-2) Network Protocol: SIP v2 Security features: Key managementMethod of Application: 1. Broadband network + router + Gateway + ordinary telephone = save domestic or international long distance calls or free global calls 2. Broadband network + router + Gateway + telephone program-controlled switch + ordinary telephone = save domestic or international long-distance calls or free global calls 1 x Gateway 1 x Manual 1 x Power Supply 1 x Network Cable