VOIP networks

The transfer of analog audio over the network was first made back in 1993, but the commercialization, this technology got only ten years did numbers. Users tired banging on the keyboard to communicate with loved ones, warm to the opportunity to hear live your virtual partner. And it is free of charge, free did numbers whether he would, even on another continent. To do this, it was just a small program to install the client, then nazvanivat friends. Over time, the users VoIP-networks the opportunity to call from your computer directly voip hardware to landlines - now the headphones can be heard not only the voice of a friend, but also the grandfather of a distant village GSM VoIP.