Mail Stop 4561 							October 25, 2005 Christopher A. Stephenson Chief Financial Officer 160 South Whisman Road Mountain View, California 94041 	Re:	Catapult Communications Corporation 		Form 10-K: For the Fiscal Year Ended September 30, 2004 		Filed December 10, 2004 		Form 10-Q: For the Fiscal Period Ended December 31, 2004 		Filed February 9, 2005 		Form 10-Q: For the Fiscal Period Ended March 31, 2005 		Filed May 3, 2005 Form 10-Q: For the Fiscal Period Ended June 30, 2005 		Filed August 8, 2005 	File No. 000-24701 Dear Mr. Stephenson, 	We have completed our review of your Form 10-K and related filings and do not, at this time, have any further comments. 								Sincerely, 								Stephen Krikorian 								Accounting Branch Chief