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.
Global Sourcing Communications WLL
Global Sourcing Communication, are specialists in customer relationship strategy and measurement. We develop and implement customer strategies, and use our proven methodologies to monitor the health of customer relationships to improve and evaluate them i
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