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The differences between IPT, Internet Telephony, and VoIP April 22, 2009

Posted by HubTechInsider in Definitions, Telecommunications.
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People use several IP-realted terms interchangeably. However, according to the International Telecommunications Union (ITU; http://www.itu.int), there are distinctions between the following terms:

* IPT – The transmission of voice, fax, and related services over a packet-switched IP-based network. Internet telephony and VoIP are specific subsets of IPT.

* Internet Telephony – Telephony in which the principal transmission network is the public internet. Internet telephony is commonly referred to as Voice over the Net, Internet phone, and net telephony, with appropriate modifications to refer to fax as well, such as Internet Fax.

* VoIP – IPT in which the principal transmission network or networks are private, managed IP-based networks.





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I’m Paul Seibert, Editor of Boston’s Hub Tech Insider, a Boston focused technology blog. You can connect with me on LinkedIn, follow me on Twitter, even friend me on Facebook if you’re cool. I own and am trying to sell a dual-zoned, residential & commercial Office Building in Natick, MA. I have a background in entrepreneurship, ecommerce, telecommunications and software development, I’m the Senior Technical Project Manager at eSpendWise, I’m a serial entrepreneur and the co-founder of Tshirtnow.net.

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