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.
Since 1998, providing the expertise in Voice over IP, Hosted and Enterprise Class network services to provide complete, cost-effective solutions for your telecommunications and services. With in-house systems or our hosted solutions "NPS and VoiceCentrici
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