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Name

Jurisdiction of Incorporation

Network Equipment Technologies, Inc.

​

Delaware

Ribbon Communications Operating Company, Inc.

​

Delaware

Ribbon Communications Federal Inc.

​

Delaware

Sonus Networks, Inc.

​

Delaware

GENBAND Inc.

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Massachusetts

ECI de Argentina S.A.

​

Argentina

Ribbon Communications Australia Pty Ltd

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Australia

Ribbon Communications do Brasil Ltda.

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Brazil

Ribbon Communications Canada ULC

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Canada

Ribbon Networks Communications Chile Limitada

​

Chile

Ribbon Communications Shanghai Co., Ltd.

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China

Ribbon Communications Shanghai Co., LTD Hangzhou Branch

​

China

Ribbon Communications Sur America Ltda.

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Colombia

Ribbon Communications Costa Rica S.A.

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Costa Rica

Ribbon Communications Czech Republic s.r.o.

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Czech Republic

Ribbon Communications France EURL

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France

Ribbon Communications Germany GmbH

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Germany

Ribbon Communications Hong Kong Limited

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Hong Kong

Ribbon Communication Pvt. Ltd.

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India

ECI Telecom India Private Limited

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India

Ribbon Communications International Ltd.

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Ireland

Ribbon Communications Israel Ltd.

​

Israel

ECI Telecom Group Ltd.

​

Israel

ECI Telecom Ltd.

​

Israel

Negev Telecom Ltd.

​

Israel

Ribbon Communications Italy S.R.L.

​

Italy

Ribbon Communications Kabushiki Kaisha

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Japan

Ribbon Communications Malaysia Sdn. Bhd.

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Malaysia

Ribbon Communications Mexico S. de R.L. de C.V.

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Mexico

GENBAND Canada B.V.

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Netherlands

Ribbon Networks B.V.

​

Netherlands

GENBAND NS B.V.

​

Netherlands

Ribbon Communications B.V.

​

Netherlands

ECI Telecom (Philippines), Inc.

​

Philippines

Ribbon Communications Polska sp.z.o.o.

​

Poland

Ribbon Communications Rus Limited Liability Company

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Russia

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ECI Telecom 2005 LLC

​

Russia

Ribbon Networks Saudi Arabia for Information Technology

Saudi Arabia

Ribbon Communications Singapore Pte. Ltd.

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Singapore

Ribbon Communications Spain, S.L.

​

Spain

Ribbon Communications Switzerland GmbH

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Switzerland

Ribbon Networks Co., Ltd.

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Taiwan

Ribbon Communications Operating Company, Inc. (Thailand Branch)

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Thailand

ECI Telecom Ukraine LLC

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Ukraine

Ribbon Networks B.V. Dubai Branch

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United Arab Emirates

Ribbon Communications UK Limited

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United Kingdom

The Representative Office of Ribbon Networks B.V. in Hanoi City

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Vietnam