Linksys WRTP54G Wireless Phone Adapter Router (CJJ01F726349)

Specifications:
LINKSYS WRTP54G phone adapter enables high quality feature-rich telephone service through your cable or DSL Internet connection
All-in-one Internet-sharing Router, 4-port Switch, and 54M Mbps Wireless-G Access Point Feature 2phone jacks to enable feature-rich Internet telephone service and advanced security: WAP and a powerful SPI firewall. The Linksys Wireless-G Broadband Router is really four devices in one box. First, there's the Wireless Access Piont, which lets you connect both screaming fast Wireless-G(802.11g at 54Mbps)and Wireless-B(802.11b at 11Mbps)devices to the network. There's 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 lets your whole network share a high-speed cable or DSL Internet connection.
To protect your data and privacy, the Wireless-G Broadband Router can encode all wireless transmissions with up to 128-bit encyption, and support both Wired Equipment Privacy(WEP)and the industrial-strength wireless security of Wi-Fi Protected Access(WPA). The Router can serve as a DHCP Server, has a powerful SPI firewall to protect your PCS against intruders and most know Internet attacks, supports VPN pass-through, and can be configured to fliter internal users' access to the Internet Configuration is a snap with the web browser-based configuraion utility.
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 multiplayer games and turn that Internet connection into a high-quality, high-value telephone service!

Features
Wireless connection with 802.11g or 802.11b standards
Four 10/100 Base Ethernet Ports to share Internet Connection
Two RJ11 voice ports for analog phones or fax machines with two independent telephone numbers
Supports QoS(Quality of Service)to ensure best quality voice
Supports Access Control to block specific PC's on the network from gaining access to the Internet
Supports SPI Firewall to limit the risk of intrusin attempts
Web-based configuration through a built-in web server
Supports auto-provisioning with provisioning server for configuration and upgrades

Voice Feature
Supports Session Initiation Protocol(SIP)
Supports DTMF tone detection and generation
Supports Voice Activity Detection(VAD) AND Silence Suppression
Supports Comfort Noise Generation(CNG)
Supports Caller ID generation and detecting(FSK and DTMF)
Supports Echo Cancellation (G. 165 and G. 168)
Supports T. 38 Fax Really including V. 17, V. 21, V. 27ter and V. 29 and FAX Pass-through(PCM)
Supports mutiple voice compression G. 711, G. 726, G. 729, G. 723.1