ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,432, issued on June 17, was assigned to STARLOGIK IP LLC (New York).
"Systems and methods for switching zero charge callers" was invented by Ari Kahn (Mt. Shasta, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Asynchronous and/or synchronous zero charge telephony protocol systems and methods may include an asynchronous signaling switch and/or a call duration time quota from a synchronous charging onset to place and complete a call. A call request is received with a second device mobile address. The asynchronous systems include instructions to automatically modify the mobile address with a routing prefix when the first device has insufficient ...