linksys RT31P2 VoIP Phone Adapter: Two voice ports (RJ-11) for analog phones or fax machines with two independent telephone numbers
Router: 4 Ethernet connection (1 WAN + 3 LAN)
Supports Dynamic Host Configuration Protocol (DHCP)
Supports Session Initiation Protocol (SIP)
Supports multiple voice compression G. 711, G. 726, G. 729 and G. 723.1
Web-based configuration through a built-in web server
Telephone key pad configuration via voice promps
Supports DTMF tone detection and generation
Supports echo cancellation ans voice Activity Detection (VAD)
Password protected access and configuration

linksys RT31P2 Features:
Terminating Impendance Agnostic-8 Settings
Call Waiting, Cancel Call Waiting
Caller ID with Name/Number
Caller ID Blocking
Call Waiting Caller ID with Name / Number
Calll Forwarding: No Anwser / Busy / All
Do not Disturb
Call Transfer
Message Waitng Indication-Visual and Tone based
Call Return
Call Back on Busy
Call Blocking with Tool Restriction
Delayed Disconnect
Distinctive Ringing
Off-Hook Warning Tone
Selective / Anonymous Call Rejection
Hot Line and Warm Line Calling
Speed Dialing of 8 numbers / Addresses

Think of the linksys RT31P2 Broudband Router with 2 phone ports as a kind of "splitter" for your Internet connection. Just connect your DSL or Cable Modem to the Router, and all the computers in your home or office can share the Internet-all at the same time. The built-in 4-port switch lets you attach 4 local PCS directly, or daisychain out to more hubs and switches as your network grows.

once your computer are connected to the Internet through the Router, they can communicate with each other too, sharing resources and files. All your computers can print on a shared printer connected anywhere in your home. And you can share all kinds of files between computers-music, digital picture, and other documents. The two standard telephone jacks onthe Router enable high-quality feature-rich telepone service through your high-speed connection even while you're surfing the Internet. Each phone jack operates independently-like having two phone lines. With Vonage Internet Phone Service, you'll get low domestic and international phone rates, and lots of other available s pecial phone features.

It's all easier than you can think-the included Setup Wizard takes you through configuring the Router, step by step. The Router can act as a DHCP server fou your network, so your PCS are configured automaticlly. Universal Plug-and-Play (UPnP) lets specialized Internet applications configure the Router so you don't have to. The powerful SPI firewall helps keep intruders out of your computers. Advanced users can set up QoS prioritization based on port or service type.
With the linksys RT31P2 Broudband Router with 2 Phone Ports at the heart of your home network, you don't need to be a networking genius to share high-speed Internet, printers and files, and turn your Internet connection into a high-quality telephone service.