Features: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 distance calls or free global calls.)Phone Adapter with 2 Ports for Voice-over-IP.Support SIP V2 protocol.Comes with a network cable.Lightweight and portable.Specification:Type: VoIP GatewayPlug type: US (100-240V)Brand: For LinksysModel: PAP2T-NA PAP2TDHCP: SupportSIP V2 protocol: SupportSupport fax and multi-voice compression G.711, G.726, G.729, G.723.1Easily complete configuration access encryption through a web browser to automate firmware upgradesStandard: IEEE 802.3, IEEE 802.3uPort: 1 10/100 M RJ-45 network interface, 2 standard telephone interfaces, 1 power interfaceCable type: RJ45 Category 5 twisted pair; RJ11 standard telephone lineBase indicator: Power, Ethernet, telephone (1-2)Network Protocol: SIP v2Security features: Key managementWeight: Approx. 280gPackage list:1 * VoIP Gateway1 * Power Adapter1 * User Manual 1 * Network CableUser Instruction: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.3. For Cisco Dual Port Gateway has a fax feature. Support SIP protocolVoIP Setup Manual:1. Connect the PAP2 device to the router with a network cable. The phone is also connected to the PAP2 device and connected to the power supply.2. After the PAP2 device is started, press the phone's :**** (four ''*'' keys) until the phone announces in English. Then, press: 110#, the phone will report the address assigned by the PAP2 device on the router. Of course, the address assigned by each device is different, and pay attention to the phone prompt tone. For example, the IP address assigned by PAP2 on the router is: 192.168.1.102. Open IE and enter 192.168.1.102 in the address. The following interface will appear.3. Then, find the administrative entry, admin login. Click the left button to find the following interface. Set up the Line 1 phone (line 2 is the second phone, corresponding to phone 1 and phone 2 on the device, the second phone is set up in the same way as the first phone), fill in the icon, Fill in the server's IP address (this is provided by the VoIP service provider). Fill in your account number and password. 4. The most important step - Save the settings, then VoIP is all set..