Patent · US Active

Correlation of sessions in case of session transfer in IMS domain

US8671201B2 · kind B2 · utility

5Cited by

1References

19Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Ralf Keller · Würselen, DE
Alf Heidermark · Hallsberg, SE
Fredrik Lindholm · Ayacucho, PE

Key dates

Filing date	Sep 29, 2008
Grant date	Mar 11, 2014
Priority date	—
Expiry date	Jun 12, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04W76/11
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

The invention relates to session control in an IMS domain of a communications network and more particularly to techniques for performing session transfer in an IMS control node (SCC AS) for controlling centralized services in an IMS domain. One embodiment of an SCC AS (200) may be adapted to store, for each of a plurality of ongoing communication sessions, a session information item (218) comprising a user identity (222) identifying a user device involved in the session and a first identifier (216) of the user device in a CS domain of the communications network, wherein the user identity is associated with multiple user devices and the first identifier comprises at least one of an MSISDN (216), an IMSI, and a GRUU.

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