Internet Phone Adapter - Easily make free long-distance or global calls using a broadband network, router, or phone. Broadband phone + router + gateway + a regular phone = record national or international long-distance calls or free global calls. 2-Port phone adapter for voice-over-IP. SIP Protocol SIP V2. Comes with a network cable. Lightweight and portable. Specification: Type: VoIP Gateway Post Type: EU (100-240V) Brand: for Linksys Model: PAP2T-NA PAP2T DHCP: Support SIP V2: Support Support for fax and multi-voice compression G.711, G.726, G .729, G.723.1 Easy configuration of access encryption via a web browser to automate firmware upgrades Standard: IEEE 802.3, IEEE 802.3U Port: 1 10/100M RJ-45 network interface, 2 standard phone interfaces, 1 power connection Cable Type: RJ45 Category 5 twisted pair; Standard RJ11 telephone line Basic Indicator: Power, Ethernet, Phone (1-2) Network Protocol: SIP V2 Security Features: Key Management Weight: about 280g Package List: 1 * VoIP Gateway 1 * Power Adapter 1 * User Manual 1 * Network Cable User Instructions: 1. Broadband network + router + gateway + regular phone = record domestic or international long-distance calls or free global calls. 2. Broadband network + router + gateway + telephone program-controlled switch + regular phone = record domestic or international long-distance calls or free global calls. 3. For Cisco Dual Port, the gateway has fax function. Supports SIP protocol