“Will someone know that they're blocked if I block their number? Will it tell them they are blocked or just give a busy signal?”

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• It gives a busy signal then automatically "hangs up" disconnects the call.

  Answered by lindad2412 6 years ago

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• they won't know that they're blocked but don't know whether it will give a busy signal or just keep ringing.

  Answered by blatt 7 years ago

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