mean time between failure (MTBF)

The average time between a component's failures.

mean time to repair (MTTR)

The average time required to repair or replace a specific faulty component.

Media Access Control (MAC) address

A globally unique 48-bit address assigned to a network interface card.

Media Convergence Server (MCS)

The server hardware used by Cisco CallManager servers.

Media Gateway Control Protocol (MGCP)

A gateway control protocol that stores call-forwarding intelligence in a centralized call agent, such as a Cisco CallManager.


A Cisco software application that supports audio and video conferencing, in addition to web collaboration.

metropolitan-area network (MAN)

A high-speed network servicing a large metropolitan area, which typically uses fiber optics to interconnect sites.

MGCP components

The physical pieces of hardware making up an MGCP network.

MGCP concepts

The logical pieces of an MGCP network.


An inline patch panel that provides power to IP phones over the non-Ethernet wires.


A grouping of 16 standard E1 frames.

Multilink PPP (MLPPP)

Combines one or more physical PPP links into a single logical link.

Voice over IP First-Step
Voice over IP First-Step
ISBN: 1587201569
EAN: 2147483647
Year: 2005
Pages: 138
Authors: Kevin Wallace

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