VoIP (Voice over Internet Protocol) in short is digital, analog Voice signal (Voice) with Data Packet (Data Packet) type in the IP Data Network (IP Network) for real-time transmission, the biggest advantage of VoIP is that can widely use the Internet and global IP interconnection environment, provide more than the traditional business, better service, VoIP can transmit Voice cheap on IP Network, fax, video, and Data and other business, such as unified message, virtual telephone, virtual Voice/fax mail, directory service, Internet call center, Internet call management, video conferencing, electronic commerce, fax store-and-forward and all kinds of information store and forward,
Related to download links://download.csdn.net/download/olo000/3487179? Utm_source=bbsseo