tandem trunking

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tandem trunking — Trunks that connect two or more switches together … IT glossary of terms, acronyms and abbreviations
Number One Crossbar Switching System — The Number One Crossbar Switching System, or 1XB switch, was the primary urban local telephone exchange design used by the Bell System in the mid 20th century. Its switch fabric topology was based on the earlier urban panel switch system, which,… … Wikipedia
List of telephone switches — This is intended to be a list of the more common central office (telephone company operated) telephone switches. This list is nowhere near complete. Many British and non North American switches are missing.AGCS*GTD 5 EAXAlcatel*E10 Five *E10B… … Wikipedia
Vocoder — A vocoder ( /ˈvoʊk … Wikipedia
United Parcel Service — Ups redirects here. For other meanings of UPS , see UPS. United Parcel Service, Inc. Type Public company Traded as … Wikipedia
DMS-100 — A DMS 100, in a CO located in France The DMS 100 Switch is a line of Digital Multiplex System (DMS) telephone exchange switches manufactured by Nortel Networks. The purpose of the DMS 100 Switch is to provide local service and connections to the… … Wikipedia

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