US Patent Issued to NEC Platforms on Aug. 25 for "Exchange, and telephone exchange method" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,983, issued on Aug. 25, was assigned to NEC Platforms Ltd. (Kanagawa, Japan).

"Exchange, and telephone exchange method" was invented by Hidetoshi Eshiro (Kanagawa, Japan), Hiroyuki Ebihara (Kanagawa, Japan) and Tomohiro Ohno (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first gateway registers an extension number of a terminal apparatus to an extension control means. A flow control means routes an outgoing call originated from the terminal apparatus and an outgoing call addressed to the terminal apparatus between the first gateway and a second gateway. When receiving the outgoing call originated from the terminal apparatus from t...