StrongVoip Communication Technology Col,Ltd.We devoted our mind to design and research,production, sell and seivice. Our company抯 products are included Compositive Data, Terminal products for VOIP Technology Gateway and Soft-switch Aegis and Billing management Platform.The combination of the Terminal products and Aegis soft-switch platform build up a three- layer system according with ITSP and Enterprise group. At the same time, we plan the standard SIP server and Billing system. Which thank you for your interest in our product.