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(New Rock Technologies, Inc.) is a new generation of intelligent communication equipment and solution provider. We provide future-oriented intelligent communication products and services to customers such as telecom operators, governments, enterprises, etc.

Since the establishment 19 years ago, New Rock has always taken R&D as our core mission and insisted on independent innovation. New Rock has more than 80 certificates and honors, with 19 years of industry brand recognition and influence, and is the common choice of many customers!

New Rock has established a nationwide service system with Shanghai headquarters as the center and six branches or offices in Beijing, Guangzhou, Shenzhen, Shandong, Wuhan and Chengdu to provide customers with perfect pre-sales consultation and after-sales service.

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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
Mail:[email protected]
Tel:021-61202700 / 52217917
Address:5/F Block B, Building 1, No.188 Pingfu Road, Xuhui District, Shanghai 200231, China
Copyright ? New Rock Technologies, Inc. All Rights Reserved. 滬ICP備15008515號-1

