trunks busy

См. также в других словарях:

• all trunks busy — (ATB)    A single tone that is interrupted at 60 ipm rate to indicate a condition when all trunks in a particular group are engaged …   IT glossary of terms, acronyms and abbreviations

• busy verification —    The ability to check the busy/idle status of lines or trunks by using the busy lamp field. See also attendant busy override and/or executive override …   IT glossary of terms, acronyms and abbreviations

• Reorder tone — The reorder tone, also known as the fast busy tone, is the congestion tone or all trunks busy (ATB) tone of a public switched telephone network. It varies from country to country; in the USA it is a dual frequency tone of 480 Hz and 620 Hz at a… …   Wikipedia

• Toll-free telephone number — A toll free, Freecall, Freephone, or 800 number is a special telephone number, in that the called party is charged the cost of the calls by the telephone carrier, instead of the calling party. The cost of the call to the called party is usually… …   Wikipedia

• ATB — • Advanced Technology Bomber (stealth Bomber) • All Trunks Busy • Atbara, Sudan internationale Flughafen Kennung …   Acronyms

• ATB — [1] Advanced Technology Bomber (stealth Bomber) [2] All Trunks Busy [3] Atbara, Sudan internationale Fughafen Kennung …   Acronyms von A bis Z

• занятость всех соединительных линий — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN all outlets engagedall trunks busy …   Справочник технического переводчика

• ATB —    See all trunks busy …   IT glossary of terms, acronyms and abbreviations

• Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …   Wikipedia

• 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

• 1ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …   Wikipedia