News
We all afraid being trapped int the elevator, normally, the emergency button will act as an analog terminals for emergency calls in the building elevator. New Rock FXO port gateways provide failover function and got your back, check 3 different ways for emergency failover.
Solution Background
When the VoIP gateway disconnects from the SIP server, it needs to use the analog terminal to make outbound calls and realize emergency failover and reliability.3. Using the active standby function of the FXS gateway, when the SIP server is not accessible, the calls will be sent to the FXO gateway, realizing emergency failover.

3. Using the failover function of the gateway, when the SIP server is not accessible, the calls will be sent to the FXO ports.

3. Internal extension dialing and outbound calls will not be affected when the SIP server disconnected.

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