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Multifrequency signaling is a technological precursor of dual-tone multi-frequency signaling (DTMF, Touch-Tone ), which uses the same fundamental principle, but was used primarily for signaling address information and control signals from a user's telephone to the wire-center's Class-5 switch. DTMF uses a total of eight frequencies.
The Trimphone is a model of telephone designed in the early 1960s in the UK, the first prototypes appearing in 1965. It was positioned as a more fashionable alternative to the standard telephones available from the Post Office Telephones, the nationalised predecessor to British Telecom. The name is an acronym standing for Tone Ring Illuminator ...
The Touch of Evil. Cover of the first edition. The Touch of Evil is a fix-up fantasy horror novel written by John Rackham. Its three episodic parts were originally written as short stories and published in the December 1960 and June and December 1961 issues of the British magazine Science Fantasy. The book was first published in paperback by ...
The NZ Racing Board operates around 675 TAB outlets throughout New Zealand as well as On-course Tote Terminals, Internet, Phonebet and Touch Tone wagering channels. TAB Touch Tone, Phonebet and Internet wagering channels service more than 170,000 TAB account holders. The TAB offers a wide range of totalisator and fixed-odds betting products ...
A 220 Trimline rotary desk phone, showing the innovative rotary dial with moving fingerstop Early Touch Tone Trimline with round buttons and clear plastic backplate and round non-modular handset cord Redesigned touch-tone desk model Trimline, manufactured on January 9, 1985 The Trimline 2225, one of the last phones made at the Indianapolis Works in 1986 Early foreign made Trimline, December ...
The Chocolate Touch is a children's book by Patrick Skene Catling, first published in the US in 1957. John Midas is delighted when, through a magical gift, everything his lips touch turns into chocolate. The story is patterned after the myth of King Midas, whose magic turned everything he touched into gold.
Ericofon. The Ericofon is a one-piece plastic telephone created by the Ericsson Company of Sweden and marketed through the second half of the 20th century. It was the first commercially marketed telephone to incorporate the dial and handset into a single unit. Because of its styling and its influence on future telephone design, the Ericofon is ...
Special information tone. In telephony, a special information tone ( SIT) is an in-band international standard call progress tone consisting of three rising tones indicating a call has failed. It usually precedes a recorded announcement describing the problem. [1] [2]