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Week 3 IA
Essay specific features
Written by:
Diane A
Date added:
June 14, 2013
Level:
University
Grade:
A
No of pages / words:
5 / 1188
Was viewed:
3232 times
Rating of current essay:
Essay content:
To dial a number, buttons are pressed on the keypad and the phone then sends the corresponding DTMF tones to the phone company. DTFM tones are a series of sounds, which consist of two "pure" tones and convey the phone number to the telephone network. They consist of two pure tones. The sounds are sent to the phone company the same way the phone conversation would be...
displayed 300 characters
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DTFM tones are a series of sounds, which consist of two "pure" tones and convey the phone number to the telephone network. They consist of two pure tones. The sounds are sent to the phone company the same way the phone conversation would be.
2. Wide Area Telecommunications Service (WATS) and leased lines
WATS (wide-area telephone service) is a specialized form of fixed-rate long-distance telecommunication service...
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