Avaya 6 manual Fallback IP Office Control, Setup and Requirements for Voicemail Fallback

2.5.2 Fallback IP Office Control

IP Office Release 5.0+ supports a number of fallback features for Small Community Networks. In conjunction with Voicemail Pro 5.0+, fallback can include one of the IP Offices assuming control of the voicemail server should the central IP Office become unavailable on the network.

Normal Operation

During normal operation, voicemail services for the Small Community Network are provided by the central IP Office communicating with the voicemail server.

Fallback Control Operation

If the central IP Office becomes unavailable to the network, control of voicemail services for the Small Community Network is assumed by the fallback IP Office.

∙WARNING

During the transition of voicemail control, access to voicemail may be unavailable for several minutes. Existing voicemail calls are disconnected and new calls are routed as if voicemail is unavailable. The same applies when the central IP Office is restored.

Setup and Requirements for Voicemail Fallback

∙Within the configuration of the central IP Office hosting the voicemail server, on the H323 Line to the fallback IP Office;

∙The Supplementary Services setting should be changed from IP Office - SCN to IP Office -SCN Fallback.

∙The option Backs up my Voicemail should then be selected from the SCN Backup Options.

∙The fallback IP Office is configured for centralized voicemail as normal. However its configuration must also include licenses for the Voicemail Pro support and the voicemail features required during fallback.

Voicemail Pro Installation and Maintenance	Page 54
IP Office Release 6	15-601063 Issue 22e (16 May 2010)