InterDigital Inc (IDCC)

[Gamco]

United States Patent 9,848,022
De Foy , et al. December 19, 2017

Method and apparatus for inter-device transfer (handoff) between IMS and generic IP clients


Abstract

A method of Inter-User Equipment (UE) Transfer (IUT) for use in an Internet Protocol (IP) Multimedia Subsystem (IMS) capable wireless transmit/receive unit (WTRU), the method comprising: receiving a registration request from a non-IMS capable WTRU; translating the registration request to an IMS based message; transmitting the translated IMS based message to a Service Centralization and Continuity Application Server (SCC AS), transmitting an IUT transfer command, transmitting an IUT process message; receiving an IUT process-accept message; and establishing an IMS session between the non-IMS capable WTRU and the remote party.



Inventors:
De Foy; Xavier (Kirkland, CA), Gazda; Robert G. (Spring City, PA), Purkayastha; Debashish (Collegeville, PA), Shaheen; Kamel M. (State College, PA)

Applicant:


Name

City

State

Country

Type


InterDigital Patent Holdings, Inc.
Wilmington
DE
US


Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)


Family ID:
1000003017785

Appl. No.:
15/401,722

Filed:
January 9, 2017


Prior Publication Data






Document Identifier

Publication Date

US 20170118257 A1 Apr 27, 2017



Related U.S. Patent Documents









Application Number

Filing Date

Patent Number

Issue Date

15135201 Apr 21, 2016
13508307 May 24, 2016 9350771
PCT/US2010/055710 Nov 5, 2010
61259022 Nov 6, 2009
61258682 Nov 6, 2009
61286685 Dec 15, 2009
61288122 Dec 18, 2009




Current U.S. Class: 1/1
Current CPC Class: H04L 65/1096 (20130101); H04W 76/023 (20130101); H04W 60/00 (20130101); H04L 65/1016 (20130101)
Current International Class: H04W 4/00 (20090101); H04W 60/00 (20090101); H04L 29/06 (20060101); H04W 76/02 (20090101)

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