Question

The changes in telephone technology brought down the cost of ...........​

Answer 1

Answer:

The Invention of the Telephone and How It Has Changed Over the Years. ... Over many years, the modern version of the telephone makes the one that Bell invented look like a piece of junk. Developments in tone dialing, call tracing, music on hold, and electronic ringers have greatlychanged the telephone.

Answer 2

Answer:

hope it will help u....

Explanation:

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