US Patent Issued to Datang Mobile Communications Equipment on May 13 for "IMS emergency service state indication method and device" (Chinese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,449, issued on May 13, was assigned to Datang Mobile Communications Equipment Co. Ltd. (Beijing).

"IMS emergency service state indication method and device" was invented by Jing Liang (Beijing), Rui Zhou (Beijing) and Nan Yan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An indication method for an IMS emergency service state and device are provided. The method includes: a terminal operating in an SNPN mode receiving system information sent by a base station connected to an SNPN and a PLMN, wherein the system information includes first indication information indicating whether or not the SNPN supports an IMS emergency service, and second i...