VoIP（Voice over Internet Protocol）

VoIP (Voice over Internet Protocol) is simply the analog voice signals (Voice) digital, data-packet (Data Packet) of the type in the IP data network (IP Network) to do real-time delivery. The biggest advantage is that VoIP can be widely used Internet and the global IP interconnection environment and provide more than traditional business, better service. VoIP can be cheaper in the IP network to send voice, fax, video, and data services such as unified messaging, virtual phone, virtual voice / fax mail, check number service, Internet call centers, Internet call management, video conferencing, e-commerce , fax store and forward, and various information such as store and forward.