alert tone

alert tone
= alerting tone
тональный сигнал оповещения
говорит о том, что оператор подключился для контроля к занятой телефонной линии и хочет прервать разговор; обычно это сигнал частотой 440 Гц, включаемый сначала на 2 секунды, а потом на 5 с каждые 10 c

Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.

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Смотреть что такое "alert tone" в других словарях:

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  • Red Alert — (1958)    Peter George had first published his novel Red Alert (under the title Two Hours to Doom) in England in 1958. His own experiences in the Royal Air Force provided a background to the events depicted in the novel. Although George’s primary …   The Encyclopedia of Stanley Kubrick

  • Zip tone — In telephony, a zip tone is a tone an automatic call distributor device makes to an alert a worker in a call centre that he or she is about to be connected to a customer …   Wikipedia

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  • WeatherStar — refers to the technology used by The Weather Channel (TWC) to generate their Local Forecast segments (currently known as Local on the 8s ) on cable TV systems nationwide. The hardware takes the form of a computerized unit installed at the headend …   Wikipedia

  • WCCO (AM) — Infobox Radio station name = WCCO city = Minneapolis, Minnesota area = Minneapolis St. Paul branding = Newsradio 830 WCCO slogan = The Good Neighbor Today s 8 3 0 WCCO airdate = 1922 frequency = 830 kHz AM HD Radio simulcasted on WLTE HD2 102.9 2 …   Wikipedia


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