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.
Sun Telecom Group is one of the fastest growing telecommunications businesses in Canada, marketing a full scope of advanced telecom services that include local line access, residential and commercial long distance, toll free services and data solutions.
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