Article

Top 20 VoIP definitions for 2007

Leigha Cardwell, SearchVoIP.com
What VoIP-related definitions were our readers most interested in this year? Check out the top 20 definitions for 2007.

Internet Protocol
The Internet Protocol (IP) is the method or protocol

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by which data is sent from one computer to another on the Internet.
Complete definition

Streaming video
Streaming video is a sequence of "moving images" that are sent in compressed form over the Internet and displayed by the viewer as they arrive.
Complete definition

VoIP
VoIP (voice over IP) is an IP telephony term for a set of facilities used to manage the delivery of voice information over the Internet.
Complete definition

DHCP
DHCP (Dynamic Host Configuration Protocol) is a communications protocol that lets network administrators centrally manage and automate the assignment of Internet Protocol (IP) addresses in an organization's network.
Complete definition

Analog telephone adapter
An analog telephone adaptor (ATA) is a device used to connect a standard telephone to a computer or network so that the user can make calls over the Internet.
Complete definition

Podcasting
Podcasting is the preparation and distribution of audio files using RSS to the computers of subscribed users.
Complete definition

Identity management
Identity management (ID management) is a broad administrative area that deals with identifying individuals in a system (such as a country, a network, or an enterprise) and controlling their access to resources within that system by associating user rights and restrictions with the established identity.
Complete definition

Unified communications
According to the International Engineering Consortium, unified communications is an industry term used to describe all forms of call and multimedia/cross-media message-management functions controlled by an individual user for both business and social purposes.
Complete definition

Layer 3
Layer 3 refers to the Network layer of the commonly-referenced multilayered communication model, Open Systems Interconnection (OSI).
Complete definition

Session Initiation Protocol
The Session Initiation Protocol (SIP) is an Internet Engineering Task Force (IETF) standard protocol for initiating an interactive user session that involves multimedia elements such as video, voice, chat, gaming, and virtual reality.
Complete definition

IP PBX
An IP PBX is a private branch exchange (telephone switching system within an enterprise) that switches calls between VoIP (voice over Internet Protocol or IP) users on local lines while allowing all users to share a certain number of external phone lines.
Complete definition

Teleconference
A teleconference is a telephone meeting among two or more participants involving technology more sophisticated than a simple two-way phone connection.
Complete definition

Leased line
A leased line is a telephone line that has been leased for private use. In some contexts, it's called a dedicated line. A leased line is usually contrasted with a switched line or dial-up line.
Complete definition

Jitter buffer
In voice over IP (VoIP), a jitter buffer is a shared data area where voice packets can be collected, stored, and sent to the voice processor in evenly spaced intervals.
Complete definition

CLEC
In the United States, a CLEC (competitive local exchange carrier) is a telephone company that competes with the already established local telephone business by providing its own network and switching.
Complete definition

Q.931
Q.931 (also called Q931) is a signaling protocol for Integrated Services Digital Network (ISDN) communications that is used in voice over IP (VoIP). The Q.931 protocol is involved in the setup and termination of connections.
Complete definition

Telephony
Telephony is the technology associated with the electronic transmission of voice, fax, or other information between distant parties using systems historically associated with the telephone, a handheld device containing both a speaker or transmitter and a receiver.
Complete definition

Gatekeeper
A gatekeeper is a management tool for H.323 multimedia networks. A single gatekeeper controls interactions for each zone, which comprises the terminals, multipoint control units (MCUs), and gateways within a particular domain. Although the gatekeeper is an optional component, when it is included, it becomes the central administrative entity.
Complete definition

Call deflection
Call deflection is a feature of voice over IP (VoIP) that automatically redirects a call from the called endpoint to another endpoint (usually a voice mailbox) when the called endpoint is busy.
Complete definition

Hairpinning
In general telecommunication, hairpinning is returning a message from an origin endpoint back in the direction it came from as a way to get it to its destination endpoint.
Complete definition


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