compelled signalling system
1Compelled signalling — Main article: Signalling (telecommunications) The term compelled signalling refers to a class of telecommunications signalling protocols where receipt of each discrete signal needs to be explicitly acknowledged before the next signal is able to… …
2Digital Private Network Signalling System — The Digital Private Network Signalling System (DPNSS) is a network protocol used on digital trunk lines for connecting two PABX. It supports a defined set of inter networking facilities. DPNSS was originally defined by British Telecom. The… …
3Signalling (telecommunications) — In telecommunication, signalling (UK spelling) or signaling (US spelling) has the following meanings: *The use of signals for controlling communications. *In a telecommunications network, the information exchange concerning the establishment and… …
4R2 signalling — R2[1] is a 1950s and 1970s era channel associated signalling signalling protocol used outside of the former Bell System to convey information along a telephone trunk between two telephone switches in order to establish a single telephone call… …
5Signaling System No. 5 — CCITT5 [http://www.itu.int/rec/T REC Q.140 Q.180/en ITU T Recommendation Q.140 Q.180] Specifications of Signalling System No. 5] was a multi frequency (MF) telephone signalling system in use from the 1970s for International Direct Distance… …
6Delhi Metro — दिल्ली मेट्रो Info Locale NCR, India (Delhi, Gurgaon, Noida) …
7система сигнализации многочастотным кодом с односторонним контролем сигналов — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN semi compelled multi frequency code signalling system …
8Signaling (telecommunications) — In telecommunication, signaling (signalling in British spelling) has the following meanings: the use of signals for controlling communications the information exchange concerning the establishment and control of a telecommunication circuit and… …
9Amtrak — For other uses, see Amtrak (disambiguation). Amtrak Map of the Amtrak system (2007) Reporting mark …
10Right- and left-hand traffic —   countries with right hand traffic …
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