but this is good one, the phone ports maybe unlocked for you to use VOIP phone, but it is more higher Knowledge. just disregard this issue, and the router is good enough for you to use.
Linksys WRTU54G-TM Wireless-G Router T-Mobile HotSpot
Broadband Router with 2 Phone Ports for Home Networking with VoIP and Wi-Fi phone support
All-in-one Internet-sharing Router, 4-port Switch, and Wireless-G (802.11g) Access Point
Shares a single Internet connection and other resources with Ethernet wired and Wireless-G and -B devices
Supports your T-Mobile Wi-Fi enabled phone for calls over the mobile phone or Wireless-G networks
Two standard phone jacks enable feature-rich VoIP telephone service over your cable or DSL Internet connection
The Linksys Wireless-G Broadband Router is really five devices in one box. First, theres the Wireless Access Point, which lets you connect both Wireless-G (802.11g at 54Mbps) and Wireless-B (802.11b at 11Mbps) devices to the network. Theres also a built-in 4-port full-duplex 10/100 Switch to connect your wired-Ethernet devices together. Connect four PCs directly, or attach more hubs and switches to create as big a network as you need. The Router function ties it all together and lets your whole network share a high-speed cable or DSL Internet connection, files, and other resources.
The Router also supports your T-Mobile Wi-Fi enabled phone for calls over the Wireless-G network. Calls are seamlessly transitioned as you move between the T-Mobile wireless network and your "home hot spot" wireless network. Special software in the router makes it push-button simple to configure the Wi-Fi link to your phone. And youll get enhanced signal strength and battery performance from your Wi-Fi phone versus standard routers.
The fifth function is the phone adapter which enables high-quality feature-rich telephone service through your high-speed connection even while youre surfing the Internet. There are two standard telephone jacks, each operating independently like having two phone lines connected to T-Mobiles high quality Voice over IP telephone service.
Wi-Fi Protected Access 2 (WPA2) protects your data and privacy with up to 128-bit industrial-strength encryption. The Router can serve as a DHCP Server, has a powerful SPI firewall to protect your PCs against intruders and most known Internet attacks, supports VPN pass-through, and can be configured to filter internal users access to the Internet. Advanced configuration is a snap with the web browser-based interface.
With the Linksys Wireless-G Broadband Router at the center of your home or office network, you can share a high-speed Internet connection, files, printers, and multi-player games, use your Internet connection for high-quality telephone service, and turn your home into a mobile phone hot spot