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
Voice Over IP (VOIP) communications have became the major trend in international calling. As the IP communication is done over internet, good internet connectivity with high bandwidth is required to ensure good quality of service. This is where our Optima
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