US Patent Issued to T-Mobile USA on March 17 for "Service-based architecture for internet protocol multimedia subsystem" (Washington Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,281, issued on March 17, was assigned to T-Mobile USA Inc. (Bellevue, Wash.).

"Service-based architecture for internet protocol multimedia subsystem" was invented by Joel Arends (Renton, Wash.), Nassereddine Sabeur (Bellevue, Wash.) and Raymond Ball (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, devices, and system related to providing service-based interfaces between network functions and a proxy call session control function for Internet Protocol (IP) Multimedia Subsystem services. In one example aspect, a method for wireless communication includes retrieving, by a proxy call session control function, an address of an access and...