Why did dial-up modems make sound in the first place?

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Everyone of an age remembers the distinctive dial-up modem sounds but why were they audible to begin with?

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8 Answers

Anonymous 0 Comments

Some of the first modems had a physical dock to put a handset on, so there had to be an audible exchange of data. As that was the norm, being able to audibly hear it was dialing was a bit of a carryover. The last gens of modems were silent, but piped the sounds into your sound card, a setting you could turn off in Windows settings.

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