User's Manual

Enabling branch SIP extension support
About this task
Before adding any SIP extensions, the B5800 Branch Gateway system must be enabled for
SIP extension support. Use this procedure to configure the B5800 Branch Gateway to support
the addition of SIP extensions.
Important:
The configuration changes in the following procedure will require the B5800 Branch
Gateway system to be rebooted.
Procedure
1. Start Manager and connect to the B5800 Branch Gateway system.
2. In the left navigation pane, click System.
3. Click the LAN1 or LAN2 tab, depending on which branch site LAN interface will be
used for the SIP extensions.
4. Make a note of the IP Address and IP Mask details as these will be required during
the SIP extension configuration.
5. Click the VoIP tab.
6. Check the SIP Registrar Enable check box. This is necessary for support of SIP
extensions directly by the branch or when providing survivability support for Avaya
Aura
®
SIP extensions.
7. Click OK.
8. Click the SIP Registrar tab.
9. Confirm the Auto-create Extn/User check box is checked.
For native extensions, this setting should be enabled.
10. Configure the remaining fields on this tab as appropriate. See
SIP Registrar tab field
descriptions on page 175 for more information.
11. Click OK.
12. Select File > Save Configuration.
The Send Configuration window appears and the Configuration Reboot Mode is set
to Immediate. Do not change the reboot mode.
Extension administration
174 Implementing the Avaya B5800 Branch Gateway November 2011
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