First, VoIP is an acronym for Voice over Internet Protocol, it is the purpose of the analog Voice signal after compression and packet, in the form of data packets in the IP network environment for Voice signal transmission, in fact, we can see him as another kind of break traditional phone communication technology, people are: the meaning of Internet phone or Internet phone, a lot of people called the IP phone Jane, as the name suggests, under the technical support of VoIP, users on the network can be achieved, in simple terms, this means that people often use IP call long distance phone call can save quite a lot of telephone calls, (the vast majority of charge long-distance VoIP services, and even some IP phones in specific countries, international ChangTuFei nor) played QQ friends can image it as QQ chat the same technology,
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