ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,974, issued on March 17, was assigned to The MITRE Corp. (McLean, Va.).
"Providing survivable calling and conferencing" was invented by Randall Paul Joseph Ethier (Burke, Va.) and Gene Lee Harrison (Leesburg, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are system, apparatus, method and/or computer program product embodiments for providing survivable calling and conferencing. An embodiment operates by providing, by a first server, a first sub-conference to a plurality of user devices over first lines. The first sub-conference is combined with a second sub-conference to form a collective conference of the plurality of user dev...