NCP redundancy

Redundancy - allows You control maintain services, through the use of two devices Call Manager, joined as a one logical system. The system enables the control mode protected against hardware failure or road junction. In the case where one of NCP-CM fails, the other takes over the role and provide control for other devices like NCP-GWx, phones etc. In redundant mode, there are two types of Call Manager:

• MAIN - set up as a "master"
• BACKUP - set up as a "slave"

We distinguish between the two types of operation:

• RUNNING - active, which currently controls the operation of processes and equipment;
• STANDBY - standby mode, in the case information about the failure of the MAIN Call Manager enters RUNNING..
  
  

How to connect The two devices are connected to two interfaces INT and RDU

Sample configuration system redundancy