IMS surrogate registration

Details IMS surrogate registration IMS surrogate registration

2011-03-22

2011-03-22

Ho, Duc C (Department: 2465)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S357000, C370S354000, C370S328000, C709S229000

Reexamination Certificate

active

07912042

ABSTRACT:
A method and arrangement in a telecommunication system for facilitating communication between a first terminal A configured to use a first session model and a second terminal B configured to use a second session model for media transportation. A first feature tag representing a contact between the first terminal A and the second terminal B is registered in a control domain in the system. When setup of a first voice media session between the first terminal A and the second terminal B is initiated, the registered first feature tag is detected and the first media session is detected and the first media session is routed via a circuit-switched domain.

REFERENCES:
patent: 2005/0083909 (2005-04-01), Kuusinen et al.
patent: 2006/0218291 (2006-09-01), Zhu et al.
3GPP TSG SA WGZ Architecture—S2#54; S2-062882, “CSI Interworking for IMS unregistered CSI capable UE”, Aug. 28-Sep. 1, 2006. Sophia Antipolis, France, retrieved from the Internet: http://www.3gpp.org/ftp/tsg—sa/WG2—Arch/TSGS2—54—Sophia—Antipolis/Docs/, the whole document.
3GPP TSG SA WG2 Architecture—S2#54; S2-063026; “CSI capability indication”. Aug. 28-Sep. 1, 2006, Sophia Antipolis, France, retrieved from the Internet: http://www.3gpp.org/ftp/tsg-sa/WG2-Arch/TSGS2—54—Sophia—Antipolis/Docs/, the whole document.
3GPP TSG SA WG2 #49; S2-052518; CSI interworking with pure IMS UE; Nov. 7-11, 2005.

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