ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,400,138, issued on Aug. 26, was assigned to 8x8 Inc. (Campbell, Calif.).

"Systems, methods, devices and arrangements for emergency call services and emergency broadcasts" was invented by Bryan Martin (Campbell, Calif.) and Garth Judge (Campbell, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variety of methods, systems, devices and arrangements are implemented for emergency call centers. According to one such method, a location database is populated from a plurality of endpoint devices. The location database determines locations for nodes in a data transmission route from information received from the endpoint devices. Emergency calls using the...