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Tele-Communication (Telecom) Terms Glossary and Dictionary
MCU: Multipoint Control Unit
Multipoint Control Unit (MCU) refers to a device in a telecommunication system that establishes conference calls between three or more people for converged voice, video and data conferences. Often referred to as a bridge, an MCU can provide audio-only services or any combination of audio, video and data, depending on the capabilities of each participant's terminal.
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