UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: December 21, 2007 4:00 P.M.
Form: S-4
CIK: 0000072911
Company Name: NORTEL NETWORKS CORP
File Number: 333-145972-02
CIK: 0001324984
Company Name: Nortel Networks Inc.
File Number: 333-145972-01
CIK: 0001119664
Company Name: NORTEL NETWORKS LTD
File Number: 333-145972