Exhibit 21

Subsidiaries of the Registrant


		Organized under the laws of
1328556 Ontario Inc.		Ontario
Architel Systems (U.S.) Corporation		Delaware
Architel Systems Corporation		Canada
Bay Networks Redes de Dados para Sistemas Informaticos, Lda.		Portugal
Capital Telecommunications Funding Corporation		Canada
CoreTek, Inc.		Delaware
CTFC Canada Inc.		Canada
Guangdong Nortel Telecommunications Equipment Co., Ltd.		China
Matra Communication Cellular Terminals GmbH		Germany
Nor.Web DPL Limited		United Kingdom
Nortel Altsystems Inc.		Delaware
Nortel Altsystems International Inc.		Delaware
Nortel Communications Holdings (1997) Limited		Israel
Nortel Communications Inc.		Ontario
Nortel de Mexico, S. de R. L. de C. V.		Mexico
Nortel GmbH		Germany
Nortel Networks (Asia) Limited		Hong Kong
Nortel Networks (Austria) GmbH		Austria
Nortel Networks (Bulgaria) EOOD		Bulgaria
Nortel Networks (CALA) Inc.		Florida
Nortel Networks (China) Limited		China
Nortel Networks (India) Private Limited		New Delhi, India
Nortel Networks (Ireland) Limited		Ireland
Nortel Networks (Northern Ireland) Limited		Northern Ireland
Nortel Networks (Photonics) Pty Ltd.		NSW, Australia
Nortel Networks (Shannon) Limited		Ireland
Nortel Networks (Thailand) Ltd.		Thailand
Nortel Networks AB		Sweden
Nortel Networks AG		Switzerland
Nortel Networks Applications Management Solutions Inc.		Delaware
Nortel Networks AS		Norway
Nortel Networks Australia Pty Limited		NSW, Australia
Nortel Networks BV		Netherlands
Nortel Networks Cable Solutions Inc.		Delaware
Nortel Networks Capital Corporation		Delaware
Nortel Networks Chile S.A.		Chile
Nortel Networks Communications (Israel) Limited		Israel
Nortel Networks Communications Engineering Ltd.		China
Nortel Networks de Argentina, S.A.		Argentina
Nortel Networks de Bolivia S.A.		Bolivia
Nortel Networks de Colombia, S.A.S.		Colombia
Nortel Networks de Guatemala, Ltda.		Guatemala
Nortel Networks de Mexico, S.A. de C.V.		Mexico
Nortel Networks de Venezuela, C.A.		Venezuela
Nortel Networks del Ecuador, S.A.		Ecuador
Nortel Networks del Paraguay S.A.		Paraguay
Nortel Networks del Uruguay, S.A.		Uruguay
Nortel Networks Eastern Mediterranean Ltd.		Israel
Nortel Networks Electronics Corporation		Canada
Nortel Networks Employee Benefit Trustee Company Limited		United Kingdom
Nortel Networks Engineering Service Kft.		Hungary
Nortel Networks Europe Sales Limited		Ireland
Nortel Networks Financial Services Limited Liability Company		Hungary
Nortel Networks France SAS		France
Nortel Networks Global Corporation		Canada
Nortel Networks Hispania, S.A.		Spain
Nortel Networks HPOCS Inc.		Delaware
Nortel Networks Inc.		Delaware


Nortel Networks India International Inc.		Delaware
Nortel Networks International Corporation		Canada
Nortel Networks International Finance & Holding BV		Netherlands
Nortel Networks International Inc.		Delaware
Nortel Networks Israel (Sales and Marketing) Limited		Israel
Nortel Networks Japan		Japan
Nortel Networks Korea Limited		Korea
Nortel Networks Limited		Canada
Nortel Networks Malaysia Sdn. Bhd.		Malaysia
Nortel Networks Mauritius Ltd.		Mauritius
Nortel Networks New Zealand Limited		New Zealand
Nortel Networks NV		Belgium
Nortel Networks O.O.O.		Russia
Nortel Networks Optical Components (Switzerland) GmbH		Switzerland
Nortel Networks Optical Components Inc.		Delaware
Nortel Networks Optical Components Limited		United Kingdom
Nortel Networks OY		Finland
Nortel Networks Peru S.A.C.		Peru
Nortel Networks Polska Sp. z o.o.		Poland
Nortel Networks Portugal, S.A.		Portugal
Nortel Networks Properties Limited		United Kingdom
Nortel Networks Romania Srl		Romania
Nortel Networks S.p.A.		Italy
Nortel Networks S.R.O.		Czech Republic
Nortel Networks SA		France
Nortel Networks Singapore Pte Ltd		Singapore
Nortel Networks Slovensko, s.r.o.		Slovak Republic
Nortel Networks South Africa (Proprietary) Limited		South Africa
Nortel Networks Southeast Asia Pte Ltd.		Singapore
Nortel Networks Technology (Thailand) Ltd.		Thailand
Nortel Networks Technology Corporation		Nova Scotia
Nortel Networks Technology K.K.		Japan
Nortel Networks Technology Ltd.		Cayman Islands
Nortel Networks Telecommunications Equipment (Shanghai) Co., Ltd.		China
Nortel Networks Telecomunicacoes do Brasil Ltda.		Brazil
Nortel Networks UK Limited		United Kingdom
Nortel Networks UK Pension Trust Limited		United Kingdom
Nortel Technology Excellence Centre Private Limited		Bangalore, India
Nortel Telecom International Limited		Nigeria
Nortel Trinidad and Tobago Limited		Trinidad and Tobago
Nortel Ventures LLC		Delaware
Nortel Vietnam Limited		Vietnam
Nortel-SE d.o.o. Beograd		Serbia
Northern Telecom Canada Limited		Canada
Northern Telecom France SA		France
Northern Telecom International Inc.		Delaware
Northern Telecom Maroc SA		Morocco
Northern Telecom PCN Limited		United Kingdom
PT Nortel Networks Indonesia		Jarkarta, Indonesia
Qtera Corporation		Delaware
Regional Telecommunications Funding Corporation		Canada
Sonoma Systems		California
Star 21 Facility Management GmbH & Co. KG		Germany
Star 21 Facility Management Verwaltung GmbH		Germany
Star 21 NETWORKS (Schweiz) AG		Switzerland
Star 21 NETWORKS Deutschland GmbH		Germany
Star 21 Networks GmbH		Germany
Star 21 Operations GmbH		Germany
TSFC Canada Inc.		Canada
Xros, Inc.		Delaware

NORTEL NETWORKS CORP 10-K