Where Is Physical Wires Exist for Internet Is It Using PSTN Wires for Transferring Data? If both are different network then How Telecom Companies Are Providing Internet Facility?

closed as off-topic by EEAA Aug 16 '16 at 13:39

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Voice and data use different frequency bands for transmission over PSTN wire. Usually data is transmitted on higher frequencies than voice. On ATX side the incoming signal is divided into high (data) and low (voice) frequency components via frequency splitter.

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