It is a method of communication based on text messaging between two fax machines, the first one calling to other one to send a fax, the recipient receives a text on A4 paper and after that communication process ends.
Crystalvoice is a leading Voice over Internet Protocol (VoIP) provider and system Integrator. It is dedicated to delivering customer management and billing solutions for individuals, entrepreneurs, carriers, VoIP calling card operators and corporate compa
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