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FXO VoIP Gateway for Emergency Failover-----3 ways for voice reliability

Application background

Analog terminals for emergency calls in the building elevator. When the VoIP gateway loses connection with the SIP server, it needs to use the analog terminal to call the outside line and realize emergency failover and reliability.

Function definition

Use the FXO gateway to provide customers with alternative lines.

When the network from the FXS VoIP gateway to the SIP server is not reachable, the call is automatically sent to the FXO PSTN line for outbound calls, providing a high-reliability guarantee for the customer's voice communication in the elevator.

Option 1: non-FXS/FXO hybrid gateway----SIP server failover

Instructions:

  • The FXS gateway registers to the SIP server through the Internet, and the FXO gateway connects to PSTN.
  • FXS and FXO gateway in the same local area network.
  • Using the active and standby function of the FXS gateway, when the SIP server is not accessible, the calls will be sent to the FXO gateway.



Option 2: FXS/FXO hybrid gateway---SIP server failover & Power failover

Instructions:

  • The VoIP gateway has both FXS and FXO ports.
  • FXS registers to the SIP server through the Internet, and the FXO ports connect to PSTN.
  • Using the escape function of the gateway, when the SIP server is not accessible, the calls will be sent to the FXO ports.



Option : MA50-LS gateway----For SIP server failover

Instructions

1.Users’ analog lines connect to cloud PBX through MA50-LS

2.Obtain local survivability from LSBX when cloud PBX is down

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




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