Why does the “beeep beeep beeep” sound a bit different for every person I call?
In: Technology
Do you mean while you’re typing the number or after pressing the button to make the call?
If it’s while you’re typing the number: https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling
If it’s after initiating a call, it is probably related to the receiving phone provider.
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