Voicemail Pro installation - IP Office Info

7. Centralized Voicemail Pro
A Small Community Network (SCN) consists of several IP Office telephone systems. These are connected using H323
Lines where the Supplementary Services settings of the lines has been set to IP Office SCN. For details, see Avaya
IP Office Manager (15-601011).
Within a Small Community Network, the following options for providing voicemail are supported:
· Centralized Voicemail 117
Centralized Voicemail Pro uses a single Voicemail Pro server to provide
voicemail services for all IP Offices in the Small Community Network.
Except for use of ContactStore, only the central IP Office hosting the
voicemail server requires licensing for Voicemail Pro operation and
features.
· Licenses: The central IP Office is licensed as normal for Voicemail
Pro operation and the voicemail features required. The other IP
Offices only require licenses for UMS and or for ContactStore if
required.
· Centralized Voicemail with Fallback IP Office 118
Control of the voicemail server can be taken over by another IP Office if
the central IP Office becomes unavailable.
· IP Office Release 5.0+ with Voicemail Pro 5.0+.
· Licenses: The fallback IP Office that takes over control of the
voicemail server requires licenses for Voicemail Pro operation and
the features required during fallback.
· Centralized Voicemail with a Backup Voicemail Server 119
The central IP Office hosting the voicemail server can be configured with
the IP address of a backup voicemail server. During normal operation,
call flows and other settings on the backup server are kept synchronized
with those of the primary voicemail server. If the primary voicemail
server becomes unavailable to the network, voicemail services are
provided by the backup voicemail server.
· IP Office Release 6.0+ with Voicemail Pro 6.0+.
· IIS SMTP is used to exchange information between the servers.
· Licenses: The existing licenses are used.
· Centralized Voicemail with Distributed Voicemail Servers 121
Other IP Offices in the Small Community Network can host their own
Voicemail Pro server. That server is then used for the IP Office's
voicemail functions except message storage.
· IP Office Release 6.0+ with Voicemail Pro 6.0+.
· IIS SMTP is used to exchange information between the servers.
· The distributed voicemail server provides all voicemail services
except voicemail collection for its associated IP Office.
· Licenses: Each IP Office using a distributed voicemail server must
have licenses for Voicemail Pro operation and the voicemail features
required.
In all the cases above, the central voicemail server remains the store for messages and recordings (except for Exchange
UMS users). The central voicemail server does message waiting indication and is the voicemail server used for message
collection. Only when the central server is temporarily unavailable will the backup or any distributed server do message
storage and collection. In those scenarios, when the central server is restored, messages collected by the backup or
distributed servers are forwarded to the central server.
Combinations 124
of the solutions above can be deployed. For example using a backup server and fallback IP Office
control.
Implementing Voicemail Pro Page 116
IP Office 8.1
15-601064 Issue 8b (Tuesday, December 11, 2012)