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voice over IP
(redirected from Internet phone service)

   Also found in: Dictionary/thesaurus, Financial, Wikipedia, Hutchinson 0.01 sec.
voice over IP
See VoIP, IP telephony and IP on Everything.
(communications)Voice over IP - (VoIP) Any technology providing voice telephony services over IP, including CODECs, streaming protocols and session control. The major advantage of VoIP is lower cost, by avoiding dedicated voice circuits.

Currently VoIP is being deployed on internal corporate networks, and, via the Internet, for low cost (and low quality) international calls. It is also used for telephony applications such as voice and fax mail.

The ITU standard is H.323, which is a whole suite of protocols, while the IETF has developed the much simpler SIP to solve the session control problem and MGCP/Megaco to solve the gateway problem.


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The number of Internet phone service subscribers stood at 22,899 at the end of July 2009 compared to 26,702 during 2008, constituting a 14.
In fact, many businesses are now conducting video conferencing all over the world with the use of Internet phone service providers.
Since its introduction in the mid 1990's, internet phone service has grown from being an unknown in the communication market, to a viable form of phone service.
 
 
 
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