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.
Multi-Tech`s award-winning telephony solutions add functionality to your existing phone system while protecting the investments you`ve already made in your data and voice network infrastructure. Our Voice over IP gateways integrate voice and fax communica
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