ISD Call is one of the leading VoIP (Voice over Internet Protocol) Service Provider specialising in Internet Telephony Solutions for various businesses, Our vision is to emerge as a major VoIP Service Provider by integrating telephony system with the cont
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R&R Telecom offers carrier-grade switch partition solutions for wholesale resellers since 2003. R&R switch partition service leverages Sonus Networks platform and provides powerful yet intuitive interface to control switch operations.
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