User's Manual

3. Click the System tab.
4. Set the following fields as appropriate:
• Branch Prefix
• Local Number Length
• Proactive
• Reactive
These 4 fields are the key settings for B5800 Branch Gateway operation. See
System tab field descriptions on page 111 for more information.
5. Click OK.
6. Select File > Save Configuration.
The Send Configuration window appears and the Configuration Reboot Mode is set
to Immediate. Do not change the reboot mode.
System tab field descriptions
Name Range or Default Description
Branch Prefix Range = 0 to 999999999 This number is used to
identify the B5800 Branch
Gateway system within the
Avaya Aura
®
network. The
branch prefix of each B5800
Branch Gateway system
must be unique and must not
overlap. For example 85, 861
and 862 are okay, but 86 and
861 overlap. On calls routed
via an Avaya Aura
®
Session
Manager line, the branch
prefix is added to the caller's
extension number.
Local Number Length Range = Blank (Off) or 3 to 9 This field sets the default
length for extension numbers
for extensions, users, and
hunt groups added to the
B5800 Branch Gateway
configuration. Entry of an
extension number of a
different length will cause an
error warning by Manager.
The combined Branch
Prefix and Local Number
Initial configuration for a Distributed Branch
138 Implementing the Avaya B5800 Branch Gateway November 2011
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