Telephone
[[1]] Telephone ek sanchaar ke aujaar hae. Phile telphone analog rahaa lekin aaj kal digital signal se telephone karaa jaae hae. 1876 me Alexander Graham Bell pahila telephone banais rahaa.
![[1]](https://upload.wikimedia.org/wikipedia/commons/3/3e/Philips_SE245_DECT.jpg%7C200px%7Cright){kind=link}
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