(19)
(11)
EP 1 169 814 A1
(12)
(43)
Date of publication:
09.01.2002
Bulletin 2002/02
(21)
Application number:
00922162.3
(22)
Date of filing:
13.04.2000
(51)
International Patent Classification (IPC)
7
:
H04L
12/26
,
H04L
12/24
,
H04Q
11/04
(86)
International application number:
PCT/US0009/950
(87)
International publication number:
WO 0062/483
(
19.10.2000
Gazette 2000/42)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI
(30)
Priority:
13.04.1999
US 290754
(71)
Applicant:
Nortel Networks, Inc.
Nashville, Tennessee 37228-1397 (US)
(72)
Inventors:
MOELLER, Douglas
Burlington, MA 01803-4914 (US)
LISTE, Matthew
New York, NY 10023 (US)
(74)
Representative:
Boyce, Conor et al
F. R. Kelly & Co., 27 Clyde Road, Ballsbridge
Dublin 4
Dublin 4 (IE)
(54)
SYSTEM FOR TRACING DATA CHANNELS THROUGH A CHANNEL-BASED NETWORK