PACKET FILTERING FOR EMERGENCY ACCESS IN A PACKET DATA NETWORK COMMUNICATION SYSTEM - Patent 1609263

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EP 1 609 263 A2

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(88)	Date of publication A3:
	13.01.2005

(43)	Date of publication:
	28.12.2005 Bulletin 2005/52

(21)	Application number: 04759756.2

(22)	Date of filing: 19.03.2004

(51)	International Patent Classification (IPC)⁷: H04J 3/24

(86)	International application number:
	PCT/US2004/008973

(87)	International publication number:
	WO 2004/095855 (04.11.2004 Gazette 2004/45)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

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Priority:

31.03.2003 US 403946
14.05.2003 US 437667

(71)	Applicant: MOTOROLA, INC.
	Schaumburg, IL 60196 (US)

(72)	Inventors:
	AERRABOTU, Naveen Gurnee, IL 60031 (US) WILLIS, Lawrence, A. McHenry, IL 60050 (US) PECEN, Mark, E. Palatine, IL 60067 (US) ZHAO, Yilin Northbrook, IL 60062 (US)

(74)	Representative: McLeish, Nicholas Alistair Maxwell
	Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)

(54)	PACKET FILTERING FOR EMERGENCY ACCESS IN A PACKET DATA NETWORK COMMUNICATION SYSTEM