Detailed Product Description

This One-Piece Cell Phone Sized Netphone is based on our patented VoIP technology and is Plug and Play via standard USB connection. The KU1120 works with both dial-up service and broadband Internet connection as long as the access speed is stable and above 20k/bps. The KU1120 also works with NAT and most of the network firewalls, and on operating systems Win98 SE and later. Requirements Pentium II 233MHz or above CPU with at least 32M memory, 10M hard drive space required to install MamaKall software. USB 1.1 or above port Microsoft Windows 98 SE/ME/2000/XP Internet access with a connection speed above 28.8kbps Features Access to gatekeepers Online update Silence detect CNG (Comfort noise generation) Dynamic voice jitter buffer Can be used in locking and screen saving status Optional dialing-tone and ring-tone Standards and agreements USB 1.1 or above G.711 A-law & s-law\GSM6.10\G.729 H.323 v2 TCP/IP Dimensions 125 x 45 x 17 mm (L x W x H) The electrical specifications Voltage: 5V Power: 600mW EMC: FCC Part15 CLASS B Working/storing environment Working temperature: 0 to 50(Centigrade) or 32 to 122 (Fahrenheit) Storing temperature: -30 to 65(Centigrade) or -22 to 149 (Fahrenheit) Working humidity: 10% to 90% Recommend usage network conditions Delay: Less than 400ms Jitter:Less than 100ms Package lost percent: Less than 10% Bandwidth: More than 28.8Kbps