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.
A leader of innovation and state of the art solutions for Gateways and SIM Server solutions, locally and internationally to all existing networks GSM/CDMA/UMTS/VoIP