US Patent Issued to United Services Automobile Association (USAA) on May 5 for "Call source verification" (Texas Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,385, issued on May 5, was assigned to United Services Automobile Association (USAA) (San Antonio).

"Call source verification" was invented by Janelle Denice Dziuk (Falls City, Texas), Jon D. Mceachron (Boerne, Texas) and Steven Michael Bernstein (San Antonio).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems described herein are directed to verifying a caller's identity during a phone call by exchanging sub-audible tones between two parties to a phone call. A code, password, or other message can be embedded within telephone audio signals as sub-audible tones, which can be used to facilitate a verification process. The combined audio si...