ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,854, issued on Feb. 3, was assigned to ELISA OYJ (Helsinki).
"Method for call security" was invented by Jussi Ruutu (Helsinki), Ville Ruutu (Helsinki) and Honain Derrar (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an embodiment, a method for call security, the method comprises: agreeing, by a first party and a second party, about an acoustic fingerprint between the first party and the second party; performing a voice call, by the first party, calling the second party; applying, by the first party, the acoustic fingerprint to the voice call; and detecting, by the second party, the acoustic fingerprint in the voice call."
The ...