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.
Business Telecom Advisors, Inc
As a comprehensive resource for all your telecommunications solutions, Business Telecom Advisors (BTA) acts as your advocate for telecom-related issues and challenges. As experts in the telecommunications industry, our goal is to address and solve the voi
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