METHODS AND SYSTEMS FOR CONNECTING TELEPHONY EXCHANGES TO PACKET SWITCHED NETWORKS USING VIRTUAL TRUNKS - Patent 1243104

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EP 1 243 104 A1

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(43)	Date of publication:
	25.09.2002 Bulletin 2002/39

(21)	Application number: 00986677.3

(22)	Date of filing: 21.12.2000

(51)	International Patent Classification (IPC)⁷: H04L 12/56, H04Q 11/04

(86)	International application number:
	PCT/US0034/851

(87)	International publication number:
	WO 0104/8982 (05.07.2001 Gazette 2001/27)

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

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Priority:

27.12.1999 US 472529

(71)	Applicant: Telefonaktiebolaget L M Ericsson (publ)
	12625 Stockholm (SE)

(72)	Inventor:
	ROGALA, Richard Richardson, TX 75080 (US)

(74)	Representative: HOFFMANN - EITLE
	Patent- und RechtsanwälteArabellastrasse 4 81925 München 81925 München (DE)

(54)	METHODS AND SYSTEMS FOR CONNECTING TELEPHONY EXCHANGES TO PACKET SWITCHED NETWORKS USING VIRTUAL TRUNKS