ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,687, issued on May 27, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).

"Nodes and methods for handling provision of an IMS service in a communications network" was invented by Mats Stille (Bromma, Sweden), Mattias Dahlqvist (Stockholm), Timo Forsman (Sollentuna, Sweden) and Charles Hegarty (Stockholm).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, by a first node, for handling provision of an IMS service. A communications network comprises a first slice handling a first IMS service, and a second slice handling a second IMS service. The first node obtains, from a second node at least one of a first and a second indication...