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.
Company Inc. is a world-class manufacturer of Voice over IP gateways and phones. Established in 1991, ArtDio has a combined 13+ years of history and extensive experience in manufacturing of Voice over IP and consumer electronic products. Our strong resear
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