Shenzhen Hybertone Technology Co., Ltd. Specialize in developing and manufacturing VoIP solutions for the worldwide markets. Our featured GoIP and RoIP gateways are IP-based devices that enable voice communications between VoIP, cellular (GSM/CDMA), CB/HAM radio networks...It has owned abundant experience in the development, Production, and sale of software and hardware. The company relies mainly on the sale of solution schemes and regards the sale of its own Products as the complement. The key Products includes all kinds of broadband IP Telephone Terminal station, broadband IP telephone gateway, communication protocol stack, enterprise exchange server and charge system.