EX-21.1 2 d318630dex211.htm EX-21.1 EX-21.1

Exhibit 21.1

List of Subsidiaries

as of December 31, 2011

 

Name

   

State of Incorporation

CTI Billing Solutions Inc.

    Delaware

CTI Data Solutions (USA) Inc.

    Delaware

Centillion Data Systems LLC.

    Delaware

 

Name

   

Country of Incorporation

CTI Data Solutions Limited

    United Kingdom

CTI Billing Solutions Limited

    United Kingdom

CTI Group Limited

    United Kingdom