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ESQUBE COMMUNICATION SOLUTIONS PVT. LTD. was established on 5 Dec 2002. The co-founders were Prof. K.V.S. Hari, Prof. T.V.Sreenivas, Prof. H.S. Jamadagni, Prof V. Chandrasekhar.

It built VoIP Solutions, Speech and Audio solutions and Wireless Communication Solutions.

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It licensed its web-based VoIP solution to rediff.com.

It was identified as one of the top 100 companies by the RED HERRING ASIA magazine in 2016. It was also identified as one of the top 100 IT companies by NASSCOM

It is now a partially-owned subsidiary of Cranes Software International Ltd (CSIL) a listed company on the Bombay Stock Exchange.