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:
Aug. 09, 2016
Filed:
Jun. 27, 2011
Ralf Keller, Würselen, DE;
Afshin Abtin, Sollentuna, SE;
Fredrik Lindholm, Stockholm, SE;
David Castellanos Zamora, Stockholm, SE;
Juan Manuel Fernandez Galmes, Getafe, ES;
Antonio Alonso Alarcon, Getafe, ES;
Ralf Keller, Würselen, DE;
Afshin Abtin, Sollentuna, SE;
Fredrik Lindholm, Stockholm, SE;
David Castellanos Zamora, Stockholm, SE;
Juan Manuel Fernandez Galmes, Getafe, ES;
Antonio Alonso Alarcon, Getafe, ES;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
A subscriber server routes a terminating call in a network that includes a circuit switched (CS) network, a packet switched (PS) network, and an IP Multimedia Subsystem (IMS). The server receives a request for routing information in relation to the terminating call from a CS node in the CS network. A determination is made at server based on whether a UE associated with the terminating call is registered in the IMS and the UE has access to the PS network. The server instructs the CS node to route the terminating call in the CS network when the UE is not registered in the IMS or when the UE does not have access to the PS network. The server instructs the CS node to send the terminating call to the IMS for handling when the UE is registered in the IMS and when the UE has access to the PS network.