Voicemail Pro Resilience & Backup

The following are the main resiliency features discussed in this document.

 

Resiliency Feature

Summary

Call Resilience

Phones and trunks using direct media may be able to continue existing calls when resilience first occurs. Additional settings can be configured to ensure that the start of resilient mode operation does not interrupt those calls.

User Resilience

Information about the users on each system is distributed within the network. This allows users to resume activity when their normal home system is not visible for some reason.

Hunt Group Resilience

For hunt groups containing members from other systems in the network or members who have hot desked to other systems, hunt group resilience allows those members to still receive group calls even when the group’s host system is not available for some reason.

Conference Resilience

For system conferences configured on a primary server, the secondary server host the conferences when the primary server is not available.

IP Phone Resilience (Basic)

Avaya IP phones registered with one system can automatically reregister with another system when resilience is required.

IP Phone Resilience (Select)

In addition to standard IP phone resilience , in IP Office Select and IP Office Subscription mode, IP Phone resilience can be to another expansion system based on location settings.

Supported on IP Office Select only.

Voicemail Resilience

The IP Office Server Edition network can include two voicemail servers, one on the primary server and one on the secondary server. The two servers automatically synchronize during normal operation and can provide voicemail support for the other users during resilience.

DECT Resilience

DECT R4 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.

DECT Master Resilience

Each DECT R4 system includes one base station configured as the master base station. Base station mirroring allows two base stations to be configured as the master. Whilst only one is active at any time, the other becomes active if the existing master is not available for some reason.

one-X portal Resilience

Both the primary and secondary server host copies of portal service with the service on the primary normally being the active one. However, in failback scenarios the secondary’s service can become active until the systems recover.

Supported on IP Office Select only.

WebRTC Resilience

On systems with Avaya one-X® Portal for IP Office resilience configured, resilience is also supported for user’s using an Avaya WebRTC client to make and answer calls.

Supported on IP Office Select only.

Virtualized Server Resilience

Virtual servers can use all of the standard IP Office resilience features. In addition, in IP Office Select mode they can alternatively use VMware’s High Availability option.

Hardware Resilience

Servers hosted on PC platforms can use the PC manufacturer’s supported options such as redundant power supplies, RAID drive configurations, etc. In addition, equipment and phones can use UPS support to continue operation.

External Trunk Resilience

Through individual system configuration, systems can fallback to using alternative routes for outgoing external calls.


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