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Appendix B: Glossary
This appendix lists the terms and abbreviations that are related to the MGC
functionalities and technologies, and are commonly used in the MGC
Manager documentation.
Abbreviation/
Term
Explanation
AMI Alternate Mark Inversion. A T1 line coding format,
inverting alternate ones.
Asynchronous A transmission method used by dial up modems. Data is
transmitted using a start bit at the beginning of a character
and a stop bit at the end. The time interval between
characters may be of varying lengths.
ATM Asynchronous Transfer Mode. High speed (up to 155
Mbps) high bandwidth network that integrates voice,
video and data. ATM provides connectivity to LANs,
WANs, private networks and sub-networks.
ATM supports applications requiring high transmission
speeds, large transmission capacities, and bandwidth on
demand.
Audio Bridge Used to mix multiple audio inputs and to output composite
audio to each of the endpoints connected to a conference.
B8ZS Bipolar 8-Zero Substitution. A T1 line coding format
substituting each group of eight consecutive zeros with an
established pattern. See also T1 line.