ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,813, issued on Sept. 8, was assigned to Huawei Technologies Co. Ltd (Shenzhen, China).

"Connection establishment of communication connection between two nodes in a converged communication system" was invented by Qingchun He (Shenzhen, China), Mingchao Li (Beijing), Yong Wang (Shenzhen, China) and Xingqing Cheng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a communication method, apparatus, and system, and relates to the field of communication technologies. The method includes: obtaining a second key used for communication authentication with a second node, where the second key is different from a preconfigured fi...