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.
NTC is dedicated to providing the best in affordable Internet Telephony technology for enterprises.From the wide variety of VOIP solutions available today, the one you select depends on the size of your business, the level of networking expertise availab
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