The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2019
Filed:
May. 20, 2014
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
The invention is about a method in a network node () of an Internet Protocol Multimedia System, IMS, for establishing an additional session between a local user equipment, UE (), which is registered in the IMS, and a remote UE () which public identity is unknown to the local UE (), wherein a first session is established between the local UE () and the remote UE (), comprising the steps of: —storing a relation between the public identity of the remote UE () and a further identity which is provided to the local UE (); —receiving a request for establishing an additional session, comprising the further identity of the remote UE (); —replacing the further identity of the remote UE () with the public identity of the remote UE () and forwarding the request towards the remote UE (). The invention is further about a network node () and a UE () which are adapted to perform the method.