Title: Telecommunication Systems

Essay Details

Subject: Technology
Author: Bart B
Date: July 3, 2014
Level: University
Grade: A
Length: 3 / 655
No of views: 0
Essay rating: good 0, average 0, bad 0 (total score: 0)

Essay text:

The difference between rotary and dual tone multi-frequency telephones is that rotary send interrupted electrical pulses and the DTMF is a method of instructing a telephone switching system. The main difference between the two types is that rotary is analog and DTMF is digital. A rotary type phone also is a mechanical switch type that uses clicks rather then tones...

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It is very easy to distinguish which type is which just by the appearance of the phone. I rotary phone will have a dial that you manually rotate clockwise to dial the numbers and a DTMF type phone will have push buttons. Wide Area Telecommunications Service or WATS is a line of service that is very similar to an 800 number...

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