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Title: Voip

Essay Details

Subject: Technology
Author:
Date: June 23, 1996
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Grade:
Length: 14 / 4119
No of views: 0
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Essay text:

The ordinary telephone bell or electronic tone ringer is the audible signaling device with which most people are familiar. In fact, during the pioneer days of telephony when most subscribers resided on party lines, ringing current was applied to either the "tip" lead or the "ring" lead of a circuit, or talk path, to effect selective ringing to the appropriate party...

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In fact, during the pioneer days of telephony when most subscribers resided on party lines, ringing current was applied to either the "tip" lead or the "ring" lead of a circuit, or talk path, to effect selective ringing to the appropriate party. The term "tip and ring" is used to designate the two wires of a standard telephone line and was derived from the early switchboard era...

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