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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 ...

searchunifiedcommunications.techtarget.com/tip/Introduction-to-Internet-telephony

circuit switching infrastructures for the transportation of voice. As you are reading this article, the Internet is being modified to support voice traffic and products ...

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.cse.wustl.edu/~jain/cis788-97/ftp/internet_telephony/index.html

Internet Telephony is a powerful and economical communication options by combination of the telephone networks and data networks.

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 ...