Comtrend�s AI-5720u is a powerful WLAN VoIP IAD (Integrated Access Device), providing predictable, real-time, toll-quality voice over the Internet. Developed with ADSL2/2+ broadband technology over PSTN, the AI-5720u offers residential and business users easy access to the Internet via WLAN or Ethernet, also providing VoIP via standard analog telephones. The AI-5720u allows calls to be routed to anywhere in the world ?significantly reducing or eliminating long distance charges. You can even make phone calls when your PC is turned off. The AI-5720u supports policy based QoS on layer 3, which provides high quality voice service. It also provides a cost-effective solution to combine with all your network and telephony needs in one, which reduces space requirements and the cost of hardware and cabling. The AI-5720u is also designed with TR-068 a compliant color panel and LED indicators making it more user friendly.