How SMS Firewall Can Protect Your Organization From Spam and Unwanted Messages Working of an SMS Firewall An SMS Firewall works by analyzing SMS traffic in real-time and screening messages based on pre-defined filtering rules. The firewall sits between an organization's internal mobile network and the public cellular network. All inbound and outbound SMS traffic has to pass through the firewall for screening and filtering.When an SMS message is received, the firewall...
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