Brian Metzler • over 8 years ago
Ring back as fax machine
When an automated system calls a fax machine line, it normally hears the fax tones (that attempt data handshake) and immediately hangs up.
Most newer cell phones have a 'ring back' tone, which plays a custom tone or music instead of the standard ringing tone the phone companies use.
Why not mix them? If a robocaller system hears a ring back tone of the fax hand shake, the robo call system should drop the call.
It worked when I had a generic fax switch setup on my primary land line. The switch would pickup the call, and would route robocalls automatically to the fax machine instead of ringing the phone.
Just my 2 ¢,
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