Kolk Group is the carrier of international long distance telephone calls. We are here to serve you with the most modern communications technology available. Our mission is to bring value to our customers and oru partners.
Kolk Group is the carrier of international long distance telephone calls. We are here to serve you with the most modern communications technology available. Our mission is to bring value to our customers and oru partners.
Provide wholesale international callback service in China for voip service providers and call shops. We offer competitive price and billing system to our wholeseller. We are using SS7 PSTN line and no connection fee to customers.
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