sarkari telephone of india advantages
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A telephone is an instrument that transmit voice over a distance. A person can talk and communicate with another person at distant place with the use of a telephone.
A telephone is a device that converts the human sound into a form that is transmittable through wire or radio technology, and reproduces it at a far away place in an audible format. It is a gadget that you can use to talk to someone who is present at some other place.
A telephone is a device that converts the human sound into a form that is transmittable through wire or radio technology, and reproduces it at a far away place in an audible format. It is a gadget that you can use to talk to someone who is present at some other place.
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