Patent · US Active

Managing roaming agreements between IMS networks

US9185141B2 · kind B2 · utility

8Cited by

2References

26Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Heiko Perkuhn · Bonn, DE
Marc Vorwerk · Aachen, DE
Rene Rembarz · Aachen, DE
Rosa Maria Martinez Perallon · Aachen, DE

Key dates

Filing date	May 19, 2009
Grant date	Nov 10, 2015
Priority date	—
Expiry date	Mar 15, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04L65/1036
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A technique for managing an automatically established roaming agreement between two IMS networks (102, 104) is described, wherein one IMS network (102) supports multiple proxy nodes (302, 106) at the network edge towards the other IMS network (104). A method embodiment of the technique is performed in an I-CSCF (302) of the first IMS network (102) and comprises the steps of receiving (316) a registration request of an UE (306) via a second IMS network (104); sending (324) a roaming information request indicating the second IMS network (104) to a HSS (110) associated with the first IMS network (102); receiving (326) from the HSS (110) a roaming information answer indicating information related to the roaming agreement, and forwarding (328), based on the roaming information answer, the registration request to a second I-CSCF (106) of the first IMS network (102) managing the roaming agreement.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.