Schedule of Revenues Disaggregated by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Disaggregation of Revenue [Line Items]
Total	$ 328,353	$ 373,831	$ 1,035,494	$ 1,057,022
UNITED STATES
Disaggregation of Revenue [Line Items]
Total	234,703	263,634	744,197	850,072
UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Total	74,567	92,052	233,647	152,188
Others [Member]
Disaggregation of Revenue [Line Items]
Total	19,083	18,145	57,650	54,762
Non-US [Member]
Disaggregation of Revenue [Line Items]
Total	93,650	110,197	291,297	206,950
Fintech [Member]
Disaggregation of Revenue [Line Items]
Total	26,923	16,644	72,573	55,229
Fintech [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Total	26,923	16,644	72,573	55,229
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	15,555	11,445	42,003	32,012
Net2phone-UCaaS [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Total	7,930	5,844	21,911	16,613
Net2phone-UCaaS [Member] | UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Total
Net2phone-UCaaS [Member] | Others [Member]
Disaggregation of Revenue [Line Items]
Total	7,625	5,601	20,092	15,399
Net2phone-UCaaS [Member] | Non-US [Member]
Disaggregation of Revenue [Line Items]
Total	7,625	5,601	20,092	15,399
Traditional Communications [Member]
Disaggregation of Revenue [Line Items]
Total	285,875	345,742	920,918	969,781
Traditional Communications [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Total	199,850	241,146	649,713	778,230
Traditional Communications [Member] | UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Total	74,567	92,052	233,647	152,188
Traditional Communications [Member] | Others [Member]
Disaggregation of Revenue [Line Items]
Total	11,458	12,544	37,558	39,363
Traditional Communications [Member] | Non-US [Member]
Disaggregation of Revenue [Line Items]
Total	$ 86,025	$ 104,596	$ 271,205	$ 191,551