What kind of modulation is used for land phone communication systems?

What kind of modulation is used for land phone
communication systems?

Question Posted / piyall

3 Answers
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What kind of modulation is used for land phone communication systems?..

Answer / aruna

pulse code modulation

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31 Yes

4 No

What kind of modulation is used for land phone communication systems?..

Answer / prem

now a days vsb modulation

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1 Yes

5 No

What kind of modulation is used for land phone communication systems?..

Answer / majeed

amplitude modulation

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3 Yes

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