Internet-telephony definitions

Another term for IP telephony and VoIP. In the late 1990s, some people made a distinction between Internet Telephony and VoIP: Internet telephony referred to voice over the public Internet, while VoIP referred to voice over private IP networks. Today, all three terms (Internet telephony, VoIP and IP telephony) are used synonymously. See VoIP and IP telephony.
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Placing telephone calls over the Internet using protocols such as VoIP. Internet telephony is rapidly evolving and has become a serious competitor for conventional telephony with the advent of high-speed Internet access technologies (such as cable and DSL). Many traditional telephony providers are in the process of switching their internal delivery systems to Internet telephony–based systems in order to provide these services on the same platform as their data services (convergence).
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