Telephone communication was introduced by Gram bell.
introduction to modern modes of communication
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Communication.
A course on introduction to communication disaster management will give a general overview on communication during a disaster. Communication is essential for purposes of managing a disaster effectively.
The telephone IS a long distance communication device.
Telephone
Nothing in written is needed for telephonic communication
The word telecom stands for the science and technology of communicating at a distance, especially the electronic transmission of signals for telephone communication or technological communication.
Introduction is piano!
introduction of satellite based communication
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