EXCEL SWITCHING CORP

Q: Jun 30 1999

Q: Mar 31 1999

Q: Mar 31 1999

FY: Dec 31 1998

Q: Sep 26 1998

FY: Dec 27 1997

Q: Jun 27 1998

Q: May 12 1998

FY: Dec 27 1997

FY: Dec 27 1997

Q: Sep 27 1997

7

5,7

7

ITEM INFORMATION:

2,7

ITEM INFORMATION:

8

No description available

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus filed under Rule 424(b)(1)

Amended Initial Registration Statement

Amended Initial Registration Statement

No description available

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

No description available

Definitive Proxy Statement

Definitive Proxy Statement

PILGRIM BAXTER & ASSOCIATES LTD

LUCENT TECHNOLOGIES INC

MADONNA ROBERT P

PILGRIM BAXTER & ASSOCIATES LTD /DE/ /ADV

MADONNA ROBERT P