IPsky United States
- International VoIP Wholesale Provider
- Phone To Phone
- Quintum
- Billing system of own development
Calls within the operator’s network are absolutely free of charge.
Acestar Telecommunication Systems HKG Ltd.
Acestar Telecommunication Systems HKG Ltd. (ACESTAR), formerly Starton Technology Ltd., is a private limited liability company incorporated under the laws of Hong Kong and is wholly managed and operated by its Philippine-based affiliate, Acetel Management
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