Revenue Recognition - Summary of Company's Revenues from Its Six Product Lines (Detail)	9 Months Ended
	Apr. 30, 2013
Millennium PBX System [Member] | Equipment/ Software [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
Millennium PBX System [Member] | Professional Services [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	-
Millennium PBX System [Member] | Maintenance Contracts [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	-
eQueue Contact Center System [Member] | Equipment/ Software [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
eQueue Contact Center System [Member] | Professional Services [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
eQueue Contact Center System [Member] | Maintenance Contracts [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
VOIP Telephones [Member] | Equipment/ Software [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
VOIP Telephones [Member] | Professional Services [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	-
VOIP Telephones [Member] | Maintenance Contracts [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	-
Cortelco Products [Member] | Equipment/ Software [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
Cortelco Products [Member] | Professional Services [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	-
Cortelco Products [Member] | Maintenance Contracts [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	-
CSPR Products [Member] | Equipment/ Software [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
CSPR Products [Member] | Professional Services [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
CSPR Products [Member] | Maintenance Contracts [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
CSPR Telephony Billing [Member] | Equipment/ Software [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	-
CSPR Telephony Billing [Member] | Professional Services [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	Individual sale
CSPR Telephony Billing [Member] | Maintenance Contracts [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Type of revenues earned	-