Three-way telephone call prevention system and method

Details Three-way telephone call prevention system and method Three-way telephone call prevention system and method

2006-07-18

2006-07-18

Bui, Bing Q. (Department: 2642)

Telephonic communications

Call or terminal access alarm or control

Fraud or improper use mitigating or indication

C379S200000, C379S207010

Reexamination Certificate

active

07079636

ABSTRACT:
Discloses are systems and methods for detecting undesired call activity. Preferred embodiment systems and methods comprise detecting a call signal level, determining if the call signal level is below a predetermined silence level threshold, and measuring a duration the call signal level remains below the predetermined silence level threshold.

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U.S. Appl. No. 60/324,227, Lord.

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