Document and Entity Information	3 Months Ended
	Oct. 31, 2012	Dec. 01, 2012
Document And Entity Information [Abstract]
Entity Registrant Name	EON COMMUNICATIONS CORP
Entity Central Index Key	0001084752
Document Type	10-Q
Document Period End Date	Oct. 31, 2012
Amendment Flag	false
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--07-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		2,877,354