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.
At Digicall, our philosophy is simple. We make technology more valuable by asking its users to shape the future with us. We provide Global ITSPs with technology that improves their Voice Quality. Since 2003 our technology professionals have helped Busin
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