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When I had a land line, I changed my recorded message to the three tones and "We're sorry, the number cannot be completed as dialed" message and eliminated pret
by snarfy 12y ago
When I had a land line, I changed my recorded message to the three tones and "We're sorry, the number cannot be completed as dialed" message and eliminated pretty much all spam calls.
- Vendan 12y agoHah, I did that, though it was just the tones and then a normal voicemail message. The robodial stuff at the time just listened for them, so it was quite effective.
- jimktrains2 12y agoIn case anyone was curious, they're called Special Information Tones[1] [1] http://en.wikipedia.org/wiki/Special_information_tones http://en.wikipedia.org/wiki/Special_information_tones