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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PanTerra''''''''s WorldSmart delivers cloud-based unified communications to businesses around the world, integrating business VoIP, web and desktop collaboration, digital fax, instant messaging, presence, mixed medium group conferencing and call center se
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