Android Call blocking with telezap?
Does anyone know of any app that can blacklist say telemarketers and either answer a call and send a tri-tone telezap? In theory this is supposed to tell cold callers call systems to remove this number as it will play the three tones you hear commonly when you call a disconnected number. Those tones should trigger t hem to automatically remove.
Im hoping theres an app out there that can do this or forward a call automatically to something like google voice and let it handle it.
Anyone heard of any such thing?
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