ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,238, issued on Aug. 25, was assigned to TEXTNOW INC. (Waterloo, Canada).
"System and method for establishing calls" was invented by Kai Yip Leung (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example method includes: receiving, from an initiating device, a call destined for a target account; establishing, at a server, a central call session for the call and connecting the initiating device to the central call session; sending a central call session notification to a target device associated with the target account, the central call session notification to prompt the target device to initiate a request to join the central call se...