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Dive into the research topics where Peter Leis is active.

Publication


Featured researches published by Peter Leis.


Archive | 2007

Method for re-assignment of S-CSCF services to registered IMS users of a home subscriber servers HSS

Peter Leis; Jiadong Dr. Shen; Ulrich Wiehe


Archive | 2013

HANDLING HANDOVER REQUESTS IN A COMMUNICATIONS SYSTEM

Curt Wong; Peter Leis; Jiadong Shen; Juergen Mayer


Archive | 2012

METHOD AND APPARATUS FOR INDICATING A TYPE OF A NETWORK INTERFACE

Thomas Belling; Peter Leis


Archive | 2008

S-CSCF re-assignment by receiving non-REGISTER request for unregistered IMS users

Peter Leis; Jiadong Shen; Ulrich Wiehe


Archive | 2009

Method, Apparatus, System and Related Computer Program Product for Handover Management

Thomas Belling; Peter Leis; Martin Oettl; Ulrich Wiehe; Miikka Poikselkä; Robert Ropolyi


Archive | 2012

Method and Apparatus for Maintaining a Registration for an Emergency Service

Jozsef Varga; Jiadong Shen; Peter Leis; Ulrich Wiehe


Archive | 2007

Carrier selection in an IP multimedia subsystem (IMS)

Peter Leis; Rainer Liebhart


Archive | 2012

ENHANCED DATA ACCESS TECHNIQUE FOR USER DATA FROM A HOME SUBSCRIBER SERVER

Peter Leis; Ulrich Wiehe; Jiadong Shen


Archive | 2017

TRANSFER OF COMMUNICATION PARAMETERS

Thomas Belling; Peter Leis


Archive | 2015

METHOD AND APPARATUS FOR SINGLE-RADIO-VOICE-CALL CONTINUITY

Peter Leis; Jiadong Shen

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