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Glossary
TDM
Time Division Multiplex - A technique used for transmitting
separate data, voice, or video messages simultaneously over one phone
line by interleaving elements of each message in fast time sequences.
Tip and Ring Another way of saying plus and minus, or positive and
ground, in electrical circuits.
Trunk A telephone communication path or channel between two points,
one being a CO and the other a PBX or KSU.
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