IPsky United States
- International VoIP Wholesale Provider
- Phone To Phone
- Quintum
- Billing system of own development
Matrix is a leading manufacturer of telecom equipment for the customer premises (CPE). These solutions can be grouped under following categories – Voice Switching, Voice Messaging, GSM Products and VoIP Products.
Callforeign.Inc
Callforeign is a global provider of customized end-to-end VoIP Solutions & Services for Internet Telephony Service Providers (ITSPs) offering wholesale & retail VoIP services to their customers.
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