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en.wikipedia.org/wiki/Internet_telephony_service_provider

An Internet telephony service provider (ITSP) offers digital telecommunications services based on Voice over Internet Protocol (VoIP) that are provisioned via the  ...

www.tmcnet.com/voip

INTERNET TELEPHONY — Q2 2017. Avaya Files Chapter 11: What Now? This year started out with a bang. That's not just because it marked the inauguration ...

www.webopedia.com/TERM/I/Internet_telephony.html

A category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls.

www.techopedia.com/definition/7783/internet-telephony

Even though Internet telephony and Voice over IP (VoIP) are used synonymously , they mean two different things. Internet telephony is defined as the umbrella ...

www.nfon.com/en_de/cloud-telephone-system/resources/glossary/internet-telephony

The terms IP telephony (IP = Internet Protocol) and Voice over IP (in short: VoIP) refer to making telephone calls via a computer network, whereby the data is ...

www.unc.edu/courses/2010fall/law/357c/001/VoIP/basics.html

Put plain and simple, Internet telephony refers to a broad range of services over the Internet that were traditionally performed over the telephone line.

searchunifiedcommunications.techtarget.com/definition/Telephony

Internet telephony is the use of the Internet rather than the traditional telephone company infrastructure and rate structure to exchange spoken or other telephone  ...

www.macworld.com/article/1051715/voipside2.html

Jul 7, 2006 ... If you want to dive into the world of Internet telephony but prefer to use your existing phone—not VoIP software on your Mac —as your primary ...

www.callfire.com/help/glossary/communications/internet-telephony-voip-telephony

Internet telephony can be any means of transmitting the human voice (real time or close to real time) over the internet. There are several components. On the ...