Cal4care is the VOIP distribution company , having its reseller around the world.
Cal4care is a market driven company that is changing the way businesses mark, sense, track and authenticate their products from production line to point of purchase. Our cross-platform technologies, based on advanced materials and proprietary hardware and software systems, offer an integrated approach that provides our customers with complete solutions. Whether hiding a barcode, reliably marking products exposed to harsh environments, accurately sensing colors or authenticating currency, Cal4care innovative products provide customers with improved processing efficiencies and increased accuracies and speeds.
Hanoi Telecom is one of the earliest licensed VoIP providers in Vietnam and has best increased VoIP traffic. We have interconnections to all fixed and mobile network operators in Vietnam via a stable technical infrastructure. In addition, we build a flexi
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