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 ?
At the same time, CWA recognizes that VoIP is an emerging technology market in which no VoIP carrier possesses economic power to control rates, terms or conditions of service.
For Protel, the partner of choice was clear since iBasis is the only VoIP carrier with both a global footprint and the proven ability to reliably deliver toll quality service to the world's largest carriers," said Pablo Ruiz Galindo, CEO of Protel.
Voxbone is the leading VoIP carrier providing centralized access to DID and toll-free numbers around the world.
Aastra, an innovative manufacturer of IP phones, AGN Networks, a leading feature rich VoIP carrier for businesses and Epygi, the manufacturer of the worlds most cost effective and feature rich SIP phone system for small businesses, announced a bundled solution which will certainly take the small business market by storm.
One reason for the VoIP carrier explosion can be explained by the recent FCC decision to not regulate voice traffic carried over the Internet.
NEW BRUNSWICK, New Jersey, October 18 /PRNewswire/ -- Arbinet, the leading electronic marketplace for communications trading, announced today the launch of SoftSwitchAxcess, a managed softswitch service for VoIP carriers looking to expand their businesses and manage growth with minimal capital investment.
Under guidelines that went into effect in 2006, the FCC requires all VoIP carriers who connect with the public telephone network to notify their customers of any limitations to their E911 service, including where and under what conditions it may not be available.
Vero Systems has heavy penetration into large to medium sized TDM and VoIP carriers and Vero's solutions currently successfully manage over 30 billion minutes of voice termination traffic per month.
The XConnect Alliance and Federations are carrier-neutral services that deliver complete interoperability, ENUM Directory Management and identity resolution in a secure environment for the interconnection of XConnect Members, which include voice over broadband providers, application service providers and VoIP carriers.