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Dive into the research topics where John Matthew Gafrick is active.

Publication


Featured researches published by John Matthew Gafrick.


Archive | 2001

Handover of wireless calls between systems supporting circuit and packet call models

Richard Paul Ejzak; John Matthew Gafrick; Harold Aaron Lassers; Ronald Bruce Martin


Archive | 1998

Apparatus, method and system for automatic telecommunication conferencing and broadcasting

Patrick Joseph Boyle; Catherine Mary FitzPatrick; John Matthew Gafrick; Mark Alan McCormick; Kathleen Anne Perkins; Robin Jeffrey Thompson


Archive | 1998

Method to allow seamless service to mobile subscribers across various mobile switching centers supporting multiple intersystem standards

Richard Robert Boland; Patrick Joseph Boyle; John Matthew Gafrick; Mark Alan McCormick; Leslie Joseph Williams


Archive | 2000

Method and apparatus for re-establishing a call in a communication system

John Matthew Gafrick; Jeffrey Arthur Zahnle


Archive | 1998

Apparatus method and system for roamer originated automatic telecommunication conferencing and broadcasting

Patrick Joseph Boyle; Catherine Mary FitzPatrick; John Matthew Gafrick; Karen Hotze; Mark Alan McCormick; Kathleen Anne Perkins; Robin Jeffrey Thompson


Archive | 1996

Method for remotely updating data stored in a mobile terminal by a wireless telecommunications system

Bernard Louis Cyr; John Matthew Gafrick; Mark Alan McCormick; Steven James Pilgrim


Archive | 2006

Method and system for bypassing media gateways in wireless networks

Richard Paul Ejzak; James A. Calme; John Matthew Gafrick


Archive | 2005

RFCI mapping to support backward-compatible transcoder-free operation for UMTS

Anjana Agarwal; John Matthew Gafrick; Maridi Raju Makaraju; Jakob J. Neulist; Charu Verma


Archive | 2001

Apparatus, method and system for providing a default mode for authentication failures in mobile telecommunication networks

Anjana Agarwal; Richard Robert Boland; John Matthew Gafrick; Mark Alan McCormick


Archive | 2010

Method and system of handling requests for location information of mobile devices

Mike J. Edwards; Frances Mu-Fen Chin; John Matthew Gafrick

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