WinRadius is a standard RADIUS server for network authentication, accounting. It's easy to use, and can be used for telecommunication accounting platform, PPP authentication, accounting server. It support PPP, PPPoE, PPTP, VPN, VoIP, ADSL, Cable Modem, CDMA, GSM, GPRS, WLAN(802.1x), etc. It's a perfect authentication, accounting solution for wide-band, VoIP, W-LAN, etc. WinRadius is suitable for intelligent building, wide-band network, remote CAI, ISP, VPN, IP Phone, and so on. It's stable, full-functioned solution. WinRadius free version can ONLY supports 5 users. If you need support more users, please choose purchase it. Now, WinRadius can support more than 100 kinds of NAS. And there are more than 5000 users of WinRadius in the world, you are welcome to join in this tide.