Home > Services > Resources Previous Next Version notice: Use CasesΒΆ CG-Nat DNS Firewall Performance S/Gi Firewall Virtual Gi LAN VoLTE and IMS Security Carrier-Grade NAT for Service Providers Intelligent DNS Firewall for Service Providers Leading Service Provider Delivers Outstanding 5G Network Performance Virtual Gi LAN VoLTE and IMS Security for Service Providers S/Gi Firewall for Service Providers