Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

Entity Name		Jurisdiction
Calix Networks Canada, Inc.		Canada
Calix Network Technology Development (Nanjing) Co. Ltd.		China
Calix Networks UK, Ltd		England, UK
Calix Brasil Servicos Ltda		Brazil
Occam Networks, LLC		Delaware, United States
Occam Networks (California), Inc.		California, United States