trunk exchange

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• trunk exchange —    Switching center used mainly for interconnecting trunks …   IT glossary of terms, acronyms and abbreviations

• Trunk vs Toll — In the US, under the purview of the Bell System, local telephone calls were free except in a few big cities, and the term toll was adopted for long distance calls because they were subject to a toll.In the UK all calls were chargeable and the… …   Wikipedia

• trunk — /trʌŋk / (say trungk) noun 1. the main stem of a tree, as distinct from the branches and roots. 2. a box or chest for holding clothes and other articles, as for use on a journey. 3. the body of a human being or of an animal, excluding the head… …  

• Trunk 3 — Als Trunk 3 (T3, T 3 oder DS3 bzw. DS 3) bezeichnet man in der Telefonie den dritten Multiplexlevel des US amerikanischen Telefonsystems mit einer Datenrate von 44,736 Mbit/s bzw. 28 T1 Datenkanälen. Eine T3 Verbindung entspricht etwa 672… …   Deutsch Wikipedia

• trunk, foreign exchange —    (FX)    A trunk connecting a PBX to a central office other than its normal serving central office …   IT glossary of terms, acronyms and abbreviations

• Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia

• Private branch exchange — A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as …   Wikipedia

• Kingsway telephone exchange — Note: This site should not be confused with Kingsway tramway subway Kingsway telephone exchange was a Cold War era hardened telephone exchange underneath High Holborn in London.It was built as a deep level shelter underneath Chancery Lane tube… …   Wikipedia

• Grand Trunk Milwaukee Car Ferry Company — The Grand Trunk Milwaukee Car Ferry Company was the Grand Trunk Western Railroad s (AAR reporting mark GTW) subsidiary company operating its Lake Michigan railroad car ferry operations between Muskegon, Michigan, and Milwaukee, Wisconsin, from… …   Wikipedia

• Stock exchange — Stock Stock (st[o^]k), n. [AS. stocc a stock, trunk, stick; akin to D. stok, G. stock, OHG. stoc, Icel. stokkr, Sw. stock, Dan. stok, and AS. stycce a piece; cf. Skr. tuj to urge, thrust. Cf. {Stokker}, {Stucco}, and {Tuck} a rapier.] 1. The stem …   The Collaborative International Dictionary of English

• Inter-Asterisk eXchange — IAX is the Inter Asterisk eXchange protocol native to Asterisk PBX and supported by a number of other softswitches and PBXs. It is used to enable VoIP connections between servers as well as client server communication.IAX now most commonly refers …   Wikipedia