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
Photon Telecommunication Limited is a leading International provider of Telecom services, including carrier-to-carrier, carrier pre-selection, VoIP and pre-paid calling cards. With interests in Asia, America, Africa and Europe, our London-based company is
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