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Schedule of Revenues Disaggregated by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Disaggregation of Revenue [Line Items]
Total	$ 370,083	$ 343,425
UNITED STATES
Disaggregation of Revenue [Line Items]
Total	268,084	295,800
UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Total	81,769	29,421
Others [Member]
Disaggregation of Revenue [Line Items]
Total	20,230	18,204
Non-US [Member]
Disaggregation of Revenue [Line Items]
Total	101,999	47,625
Fintech [Member]
Disaggregation of Revenue [Line Items]
Total	22,568	20,087
Fintech [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Total	22,568	20,087
Fintech [Member] | UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Total
Fintech [Member] | Others [Member]
Disaggregation of Revenue [Line Items]
Total
Fintech [Member] | Non-US [Member]
Disaggregation of Revenue [Line Items]
Total
Net2phone-UCaaS [Member]
Disaggregation of Revenue [Line Items]
Total	12,913	9,702
Net2phone-UCaaS [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Total	6,824	5,090
Net2phone-UCaaS [Member] | UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Total
Net2phone-UCaaS [Member] | Others [Member]
Disaggregation of Revenue [Line Items]
Total	6,089	4,612
Net2phone-UCaaS [Member] | Non-US [Member]
Disaggregation of Revenue [Line Items]
Total	6,089	4,612
Traditional Communications [Member]
Disaggregation of Revenue [Line Items]
Total	334,602	313,636
Traditional Communications [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Total	238,692	270,623
Traditional Communications [Member] | UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Total	81,769	29,421
Traditional Communications [Member] | Others [Member]
Disaggregation of Revenue [Line Items]
Total	14,141	13,592
Traditional Communications [Member] | Non-US [Member]
Disaggregation of Revenue [Line Items]
Total	$ 95,910	$ 43,013

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