Voice over IP

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Voice over IP

(communications)
(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.
References in periodicals archive ?
Vonage is a leading provider of broadband telephone services with approximately 2.
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a leading provider of broadband telephone services, will report its financial results for the first quarter ended March 31, 2009 on Thursday, May 7, 2009.
a leading provider of broadband telephone services, today announced a revised date for the release of financial results for the quarter and full year ended December 31, 2008.
Company Introduces High-Quality Broadband Telephone Services in Shan Xi Province and Liao Ning Province
a leading provider of broadband telephone services, will report its financial results for the fourth quarter and full year ended December 31, 2008 on Thursday, February 12, 2009.
Our VoIP products and services allow users to access high quality broadband telephone services in China by converting their cable/DSL router into a VoIP device.
a leading provider of broadband telephone services, will report its financial results for the third quarter ended September 30, 2008 on Thursday, November 6, 2008.
NYSE: VG) and a leading provider of broadband telephone services, to offer in-store activation of Vonage broadband telephony service through kiosks in leading retail stores throughout the nation.
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