Skycall South Africa
- Hosted VoIP billing service provider
- Partnering for Origination and Termination
- Quintum
- PortaSIP
Calls within the operator’s network are absolutely free of charge.
VIETTEL TELECOM
Viettel Group is one of leading telecom service providers in the world with over 50 million subscribers. Wireless Intelligence has ranked Viettel Group as the 19 th out of 784 biggest telecom service providers in the world regarding the number of subscrib
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