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.
Toptel has been a prominent VoIP service provider since 2006. Ever since our inception, we have charted a significant growth in developing customer base and carrier-interconnections with our successful VoIP business solutions.
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