×

Fraud detection in interactive voice response systems

  • US 10,362,172 B2
  • Filed: 01/25/2018
  • Issued: 07/23/2019
  • Est. Priority Date: 10/14/2015
  • Status: Active Grant
First Claim
Patent Images

1. A computer-implemented method for determining a risk score of a call received by an Interactive Voice Response (IVR) system, the computer-implemented method comprising:

  • creating a feature vector based on an interaction with the IVR system during the call including a volume of at least one Dual-Tone Multi-Frequency (DTMF) tone or a duration of the at least one DTMF tone during the interaction with the IVR system; and

    using a machine learning model to determine the risk score of the call based on the created feature vector.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×