GRNVoip Philippines
- International VoIP Wholesale Provider
- Call Routing VoIP Solutions
- Cisco Systems
- Custom Open Source Billing Solution
This service allows the subscriber making calls from any telephone to any number and the bill for these calls will be charged from the account indicated on the Virtual Calling Card (VCC), the system, which does not refer to the line from which the call is made. “Virtual Calling Card” works by the method of so called “Access Code”, the service access code. All calls with virtual telephone cards are preceded by the entrance of the access code. After dialing the access code the subscriber will be offered to dial the virtual card number, and after that the number of the desired subscriber.
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