Method and apparatus for defeating predictive telemarketing...

Details Method and apparatus for defeating predictive telemarketing... Method and apparatus for defeating predictive telemarketing...

2005-12-13

2005-12-13

Hong, Harry S. (Department: 2642)

Telephonic communications

Call or terminal access alarm or control

At substation

C379S207150, C379S210030, C379S361000

Reexamination Certificate

active

06975714

ABSTRACT:
A method and apparatus that generate a 2100 Hz answer tone, similar to the answer tones sent by facsimile machines and modems, upon answering an incoming call. This causes predictive telemarketing dialers to remove the telephone number from their databases.

REFERENCES:
patent: 5146472 (1992-09-01), Hallman
patent: 5920623 (1999-07-01), Bensman et al.
patent: 6775364 (2004-08-01), Knox

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