Voice comunications
Voice communications still remain the main way of communication used. Voice communication equipments have been evolved from the classic PABX system up to the complex VOIP equipments and solutions.
As the companies began to build more and more data networks in their environment, they started to use these networks to transmit voice, too, instead of using the traditional telephone networks. This fact led to the premise of the appearance of new technologies, which is called nowadays IP Telephony.
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