<DOCUMENT>
<TYPE>EX-21.1
<SEQUENCE>4
<FILENAME>d25239_ex21-1.txt
<DESCRIPTION>SUBSIDIARIES OF THE REGISTRANT
<TEXT>


                                                                    EXHIBIT 21.1


                         SUBSIDIARIES OF THE REGISTRANT


                                                 STATE OR OTHER JURISDICTION OF
NAME OF SUBSIDIARY                               INCORPORATION OR ORGANIZATION
-----------------                                ------------------------------
Tekex Limited                                    U.S. Virgin Islands
Tekelec, Ltd.                                    Japan
Tekelec Limited                                  United Kingdom
IEX Corporation                                  Nevada
Tekelec France                                   France
Tekelec Canada Inc.                              Canada

------------------------------------

*    The  subsidiaries of the Registrant do not do business under any name other
     than as listed above.

</TEXT>
</DOCUMENT>