Internet Telephony
Internet Protocol (IP) telephony is the ability to do what has been traditionally done over circuit switched phone lines (PSTN), but is done over an Internet Protocol (IP) network. It is the real time transmission of voice signals using IP over the public Internet or a private data (Intranet) IP network. The terms IP telephony and Internet telephony are often used interchangeably, but are fundamentally difference in practice. Internet telephony implies two users each using …
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