
Number Received Processing Resulting Number
replaced with the National
Prefix (90).
6494770557 Following rule 3 above the
International Prefix (900) is
added.
9006494770557
Administering a Session Manager line for each branch
This section provides the procedures required to configure a Session Manager line between
each branch site and the headquarters site.
This section also describes how the B5800 Branch Gateway uses a configured Session
Manager line to handle incoming and outgoing calls to and from the branch and explains how
a second Session Manager line can be configured for Session Manager line redundancy.
• See
Enabling SIP trunk support on page 139. Use this procedure to configure the IP
Office LAN interface which will be used for the Session Manager line connection to the
Avaya Aura
®
Session Manager.
• See
Setting the branch prefix and local number length for extension numbering on
page 140. Use this procedure to set the prefix number for the B5800 Branch Gateway
and the required extension length.
• See Changing the default codec selection on page 143. Use this procedure to set the
preferred order for codec negotiation. This can be done as a system default and also for
each individual SIP and Avaya Aura
®
Session Manager line.
• See
Adding an Avaya Aura Session Manager line on page 145. Use this procedure to
create a Session Manager line for calls to the Avaya Aura
®
Session Manager.
• See
Setting up outgoing call routing on page 151. Use this procedure to create short
codes for routing calls to the Avaya Aura
®
Session Manager line when the required
destination or resource is on another branch of the Avaya Aura
®
network.
• See How the B5800 Branch Gateway uses a configured Session Manager line on
page 153.
• See
Avaya Aura Session Manager line redundancy on page 150.
Enabling SIP trunk support
About this task
Before adding any SIP trunks, including Avaya Aura
®
Session Manager lines, the B5800
Branch Gateway system must be configured for SIP trunk operation. The system has 2 LAN
Administering a Session Manager line for each branch
Implementing the Avaya B5800 Branch Gateway for an Avaya Aura
®
Configuration October 2012 139
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