Avaya Wireless DECT uses an IP DECT trunk between the host IP Office server and the DECT master base station. DECT resilience allows the DECT system to be configured with an additional trunk to another IP Office server in the network. If the host server becomes unavailable for some reason, the failover trunk and server become active, allowing continued DECT operation.
Resilience operation occurs when the master base station cannot detect its normal host IP Office system, that is the IP Office system configured with an IP DECT line to it. During resilience, the failover IP Office system takes control and hosts the DECT extensions and users that were previously on its normal host system. However, no changes to the DECT configuration or additional handset subscriptions are allowed.
The failover IP Office system can host its own DECT R4 system using its own IP DECT line and master base station. When that is the case, it can only support failover from another system up to its maximum capacity of DECT users including its own DECT users (maximum 384 on an IP500 V2, 400 on a Linux based system).
DECT trunk resilience and base station mirroring can be combined.
