ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,586, issued on May 27, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Network nodes and methods performed therein for handling call information for a user equipment" was invented by Ester Gonzalez de Langarica (Vitoria, Spain) and Charles Hegarty (Stockholm).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments herein relate to a method performed by a first network node (150) in a wireless communications network (100), for handling an addition of a participant to an ongoing call session for a first UE (120) handled by an IMS node (140). The ongoing call session is a session between the first UE (120) and a second UE (121). ...