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Voip
Oct 31, 2016

VoIP (Voice over Internet Protocol) or simply the analog signal (Voice), digitization, data packets (Data Packet) in the form of IP network (IP Network), real-time delivery. VoIP greatest advantage is that we can widely adopt Internet and global IP interconnection environment, provide more and better services than traditional business. VoIP over IP networks, inexpensive voice, fax, video, and data services, such as Unified Messaging, virtual business phone, virtual voice/fax mailbox and directory enquiry service, Internet call centers, Internet call management, telephone, video conferencing, e-commerce, store-and-forward fax and various information such as store-and-forward.


Fundamentals of VoIP is voice encoding of speech data compression algorithm used to compress, and then put the voice data in TCP/IP standard package, through the IP network to send packets to the receiving, then string together these voice packets, extract after treatment, back into the original speech, so as to achieve the purpose of Internet voice transmissions. The core and critical equipment for IP gateway IP phone, telephone area code regions map to corresponding IP address of the gateway. Storing this information in a database, the data connection software will complete call processing, digital voice package, routing, management, and other functions. When the user is dialing, gateway telephone area codes database, determine the gateway IP address, and IP address to the IP packet, selecting the best route, in order to reduce transmission delay, IP packets reach their destination via Internet gateways. Extending to some Internet or no setting up the gateway district, you can set routing, by the latest gateway through long distance telephone network switching and communications business.


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