GSM VoIP Solutions
Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.
This is a conference which can be initiated from every VoIP telephone. The service is fully administered with the help of a telephone set.
Mainberg Limited
Mainberg is a wholesale carrier of International Long Distance Voice that provides A-Z termination service
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