Why NOT to Pass VoIP Traffic Through a Firewall
Emergency-service outages demonstrate the hazards that firewalls can pose to VoIP. In a recent series of incidents, Voice over Internet Protocol (VoIP) phone calls to 9-1-1 systems have been either delayed or blocked entirely by firewalls. This issue highlights the complexities of integrating IP-based call transmission into critical emergency-response network infrastructures. On June 18th, the […]
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