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Avaya Application Solutions
24 Avaya Application Solutions IP Telephony Deployment Guide
 
Avaya Distributed Office contains integrated features, applications, and much more. At each 
branch location, Distributed Office is implemented in one of two platforms — Avaya Distributed 
Office i40 or Avaya Distributed Office i120. These platforms are available in numerous 
configurations.
Distributed Office Configurations
An Avaya Distributed Office system can be configured as
an individual branch location
an individual branch location with centralized management
a Networked branch location
The diagram in 
 shows a Distributed Office solution with networked branch locations. 
This configuration supports:
SIP calls between the branch and main locations over the private WAN or public Internet.
Inter-branch SIP calls through an SIP Enablement Services (SES) edge proxy at the main 
location.
Integrated Management for Distributed Office at the main location provides centralized 
management to the branch locations.
Optional connection to Communication Manager server through the SES home proxy.