SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

Form 6-K

Report of Foreign ~~IssuerPursuant~~Issuer Pursuant to Rule 13a-16 or 15d-16 ~~ofthe~~of the Securities Exchange Act of 1934

For the month of: June, 2005

CALL-NET ENTERPRISES INC.~~(Name of~~ ~~registrant)~~

~~2235 Sheppard Avenue EastSuite 1800North York, OntarioCanada M2J 5G1~~(~~Address~~Name of ~~Principal Executive Officers~~registrant)

2235 Sheppard Avenue East
Suite 1800
North York, Ontario
Canada M2J 5G1
(Address of Principal Executive Officers)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:


Form 20-F o		Form 40-F þ

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the SEC pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:


Yes o		No þ

If “Yes” is marked, indicate the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

	CALL-NET ENTERPRISES INC.
Date: June 8, 2005	By:	/s/ Roy Graydon
Date: June 15, 2005	By:	/s/ Roy Graydon
	Name:	~~Name:~~Roy Graydon	~~Roy Graydon~~
	Title:	~~Title:~~Executive Vice President and Chief Financial Officer	~~Executive Vice President and Chief Financial Officer~~

EXHIBIT INDEX

Exhibit		Description of Exhibit
99.1		~~Press~~Confirmation ~~Release~~of ~~dated~~Mailing ~~June 8, 2005~~ — ~~Date of Hearing of Application for Court Approval of~~ Call-Net ~~Arrangement~~Enterprises ~~moved to June 30, 2005 from July 7, 2005~~Inc.

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