Configuration manual

Chapter 2: Planning
Before you begin installing and configuring the B5800 Branch Gateway system, you should already have
determined the implementation issues listed in the table below.
You have determined... See
The dial plan you are configuring for the
system and each branch.
Dial plan considerations on page 36
The B5800 Branch Gateway licenses
required for this installation.
Licensing on page 16
How you are going to route outgoing
PSTN calls.
Branch PSTN call routing considerations on
page 38
The voicemail solution you are going to
deploy.
Voicemail considerations on page 37
VoIP requirements. Network assessment for VoIP requirements on
page 39
Prerequisites
Depending upon the deployment, the following applications and servers must be installed and
configured before the B5800 Branch Gateway system is installed.
• If you are going to connect the B5800 Branch Gateway to an enterprise over the WAN,
Avaya Aura
®
Session Manager R6.1 or R6.2 must be installed and configured at the
headquarters location.
• If you are going to centrally manage the B5800 Branch Gateways, Avaya Aura
®
System
Manager R6.2 must be installed and configured at the headquarters location.
If you are going to use centralized licensing by WebLM, an Avaya Aura
®
System Manager
WebLM server or a standalone WebLM server must be installed and configured. The
WebLM server can be located at the headquarters location or anywhere in the network
as long as the B5800 Branch Gateways can access it on the network.
• A stand-alone Secure Access Link (SAL) Gateway, R2.0 or higher, must be deployed.
Note:
System Platform's virtual SAL gateway is not supported.
Implementing the Avaya B5800 Branch Gateway for an Avaya Aura
®
Configuration October 2012 35