call signal
91Nurse call button — A nurse call button on a pillow speaker with TV controls …
92EC-130H Compass Call — Infobox Aircraft name= EC 130H Compass Call caption= An EC 130H Compass Call flies a training mission over Lake Mead, Arizona. type= Electronic Warfare (EW), Suppression of Enemy Air Defenses (SEAD), offensive counter information manufacturer=… …
93Silent call — A silent call is a telephone call that is generated by a predictive dialer (or dialler) which does not have an immediately available to handle the call. In this instance the call may be terminated by the dialler, and the called party receives a… …
94Lockheed EC-130H Compass Call — EC 130H Compass Call An EC 130H Compass Call flies a training mission over Lake Mead, Arizona. Role …
95Missed call — This article is about the telephony event. For similarly named topics, see One Missed Call (disambiguation). A missed call is a telephone call that is not answered by its intended recipient prior to the termination of ringing on the recipient s… …
96Max Headroom broadcast signal intrusion — An unidentified man dressed to resemble Max Headroom was visible in the intruding broadcast. Participants Unidentified Lo …
97Last-call return — Last Call Return, commonly called Call Return, is a telephone feature code offered by telephone service providers to give a called party the time and telephone number of the last received call, and may also offer the facility to place a call back …
98Boatswain's call — A boatswain s call is a pipe that is made of a tube (called the gun), that directs air over a grape sized metal sphere (called the buoy) with a hole cut in the top(called the hole). The player opens and closes the hand over the hole to change the …
99Roll call — is the calling of the names of people from a list (roll) to determine the presence or absence of the listed people (also known as a register in countries such as the UK). The term applies to the calling itself, to the time moment of this… …
100Max Headroom broadcast signal intrusion incident — The Max Headroom broadcast signal intrusion incident was a television signal hijacking in Chicago, Illinois, on the evening of November 22, 1987; it is an example of what is known in the television business as broadcast signal intrusion. The… …
