A label switch router is located in the middle of a Multiprotocol Label Switching (MPLS) network and it's responsible for switching labels used to route packets.     ‹

The standard infrastructure for delivering IP multimedia services.     ‹

The ISDN User Part or ISUP is part of the signaling system 7 which is used to set up telephone calls. In related call information, the ISUP is also used to exchange status information. ‹

An acronym for Internet Service Provider. A company that provides access to the Internet using dial-up, DSL or via cable/fiber lines. //   ‹

In the VoIP world, jitter is the variance in time between voice/data packets arriving which can be caused by network congestion or changes in the routing of the data.   // ‹

A common data measurement that is the number of one-thousand bits transferred over a 1 second period.       ‹

A measurement unit of the number of one-thousand cycles per second of a waveform.       ‹

Latency, or lag, is the time between the instant a voice packet is transmitted and the moment it reaches its destination. The longer the delay, echo is introduced.   // ‹

This is a common term within the telecommunications industry and it's represented by a geographical area of the United States. A LATA represents an area in which a Regional Bell Operating Company is allowed to offer exchange of telecommunications and exchange access services. LATA boundaries are determined by markets and not along states or ar [..]

The LERG is a database of the first six digits of a telephone number. This is updated regularly and provides data for directing telephone calls over a PSTN. It also IDs what local company the number belongs to.     ‹