US Patent Issued to Pindrop Security on Oct. 28 for "Silent caller ID verification using callback request" (Georgia Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,291, issued on Oct. 28, was assigned to Pindrop Security Inc. (Atlanta).

"Silent caller ID verification using callback request" was invented by Payas Gupta (Atlanta) and Terry Nelms II (Atlanta).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are embodiments of systems, methods, and products comprises an authentication server for caller ID verification. When a caller makes a phone call, the server receives the phone call and verifies whether the phone call is from a registered device associated with the phone number. The server queries the registered device to retrieve one or more current call states via an authentication function on ...