Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Call classification through analysis of DTMF events

Call classification through analysis of DTMF events

US Patent 10904643 · Granted Jan 26, 2021

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Caller verification via carrier metadata2025
Systems and methods employing graph-derived features for fraud detection2024
Call classification through analysis of DTMF events2024
Call classification through analysis of DTMF events2024
Call classification through analysis of DTMF events2024
Call classification through analysis of DTMF events2024
Call classification through analysis of DTMF events2024
Caller verification via carrier metadata2024
Fraud detection in interactive voice response systems2023
Fraud detection in interactive voice response systems2023
Systems and methods employing graph-derived features for fraud detection2023
Caller verification via carrier metadata2022