Products Information If you are min-sized enterprise and are headache about your giant long-distance or international call fees, KTA 3000 two-FXS-Ports terminal adapter should be your best choice! Get a KTA 3000, connect it to you conventional phone, and you can make & receive calls via the internet at a much lower cost immediately! It offers you advanced SIP features and terminal functions, and it even supports FAX! All these contribute to its commercial-grade applications. Equipped with Router function, it could instantly create a VPN (Virtual Private Network) connecting several computers in your office to the internet. The two FXS ports could be configured with different accounts and work independently. Competitive Features: Enables standard phone or PBX connection to VoIP Services ?SIP protocol ?For family and SOHO use ?2 FXS ports ?Ethernet ports: TWO* 100 Base-T Ethernet ports, Bridge/Router function ?Functions: Caller ID transfer, Call forwarding: Busy, No answer, Volume adjust, Ringer selection by caller ID ?Support features: Call hold/Retrieve, Call waiting, Call transfer, 3-way calling, Split 3-way calling, T.38 fax, Do Not Disturb ?Support IP inbound relay function(2 port use 1 account for incoming call) ?Support billing machine and get CDR ?Dimension:178 * 123 * 34mm (L * W * H) If you are interested,please send mail to sales01(0) and change (0) to @ Thank you.