dual-tone signaling
41Audio Response Unit — A device that provides synthesized voice responses to dual tone multi frequency signaling input. These devices process calls based on the caller s input, information received from a host data base, and information carried with the incoming… …
42MF — See medium frequency, multifrequency. See also dual tone multifrequency signaling (DTMF) …
43Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
44Enterprise FMC — In the 2004 press release announcing its formation, the [http://www.thefmca.com Fixed Mobile Convergence Alliance] said:Fixed Mobile Convergence is a transition point in the telecommunications industry that will finally remove the distinctions… …
45Fixed-mobile convergence — (FMC) is a change in telecommunications that removes differences between fixed and mobile networks. In the 2004 press release announcing its formation, the Fixed Mobile Convergence Alliance said:[1] Fixed Mobile Convergence is a transition point… …
46Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
47nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
48literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
49Number 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… …
50Evolutionary musicology — Not to be confused with Evolutionary music. Evolutionary musicology is a subfield of biomusicology that grounds the psychological mechanisms of music perception and production in evolutionary theory. It covers vocal communication in non human… …
