Telephone Systems – An Overview On Operating Principle

A Telephone system is a communication instrument that transmits any voice / sound signals to far by locations by converting these sound signals in waves and receives and reconverts the same waves into sound signals/ voice. The telephone network is extended universally so if you want to talk to someone, you simply need to pick…

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The Telephone – A Brief History

During the 1870’s, two well known inventors both independently designed devices that could transmit sound along electrical cables. Those inventors were Alexander Graham Bell and Elisha Gray. Both devices were registered at the patent office within hours of each other. There followed a bitter legal battle over the invention of the telephone, which Bell subsequently…

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SMS and MMS Integration With VoIP Communications

There are a great number of people even in developing countries who have, in one way or another, experienced using SMS or Short Message System using mobile phones. In fact, when people hear the word SMS or Text message, most would readily associate the term with mobile phones. An extended standard in messaging called MMS…

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