(19)
(11)
EP 1 195 031 A1
(12)
(43)
Date of publication:
10.04.2002
Bulletin 2002/15
(21)
Application number:
00947500.5
(22)
Date of filing:
19.07.2000
(51)
International Patent Classification (IPC)
7
:
H04L
12/64
(86)
International application number:
PCT/US0019/620
(87)
International publication number:
WO 0106/721
(
25.01.2001
Gazette 2001/04)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
19.07.1999
US 144469 P
19.07.1999
US 144535 P
(71)
Applicant:
AT&T Corp.
New York, NY 10013-2412 (US)
(72)
Inventor:
SESHADRI, Nambirajan
Chatham, NJ 07928 (US)
(74)
Representative:
Kuhnen & Wacker
Patentanwaltsgesellschaft mbH,Prinz-Ludwig-Strasse 40A
85354 Freising
85354 Freising (DE)
(54)
A MULTIPLE-ACCESS SCHEME FOR PACKET VOICE THAT USES VOICE ACTIVITY DETECTION