Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › System and method for preventing fraudulent calls using a common billing number

System and method for preventing fraudulent calls using a common billing number

US Patent 6801607 · Granted Oct 5, 2004

Estimated economic value: $28,563,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Domestic to international collect call blocking2013
Fraud detection based on call attempt velocity on terminating number2012
Fraud detection based on call attempt velocity on terminating number2012
Domestic to international collect call blocking2010
Domestic origination to international termination country set logic2008
Fraud detection based on call attempt velocity on terminating number2007
Fraud detection based on call attempt velocity on terminating number2007
Domestic origination to international termination country set logic2006
Fraud detection based on call attempt velocity on originating number2005
Fraud detection based on call attempt velocity on originating number2005
ISN call interrupt2004
Method and system for using bad billed number records to prevent fraud in a tele2003