Patton SmartNode SN4114/JO/EUI 4 FXO SIP GatewayPatton SmartNode 4114 is the perfect choice for phone to IP connectivity supporting 4 FXO ports. With its FXO analog ports, the local PSTN can be accessed enabling local calling and enhanced toll bypass applications while using a single connected telephone. Flexible call integration allows per port telephone numbers, programmable call progress tones, and distinctive ringing