Founders of ESQUBE are faculty at the Indian Institute of Science, Bangalore and carry over eight decades of experience.. VoIP Speech and Audio Wireless Click to Call Esqube Communication Solutions Pvt.Ltd. T: + 91.80.2351 7063 F: + 91.80.2351 9474 E: info@esqube.com A New Beginning VoicenData Magazine covers Esqube’s Click to Call Service as first-of-its-kind service based out of India. read more... ESQUBE has been selected by NASSCOM as one of the top 100 IT innovator companies 2006. ESQUBE is selected as one of the top 100 promising companies in Asia. 2008 © Esqube Communication Solutions Pvt.Ltd.