News
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:

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

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
Tel:021-61202700 / 52217917
Address:5/F Block B, Building 1, No.188 Pingfu Road, Xuhui District, Shanghai 200231, China
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