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.
Founded in 2003, W.L.S Group is a consulting company based in Toronto, Canada. W.L.S Group of companies consist of IT Consulting, Event Management Services, Sound & Lighting Consulting & Installations for the entertainment industry. Two Offshore programmi
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