Old Trick To Stop Telemarketers

If you call a number that has been disconnected or is no longer in service you will hear 3 short tones, "doo dah dee." When the telemarketers� software detects these 3 tones at the beginning of your outgoing message, it thinks it has reached a line that is disconnected. So, it disconnects and does not log your phone number as a working number.

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