
About this document 
xvOverview 
DEFINITY ECS Release 8.2
Administrator’s Guide  
555-233-506   Issue 1
April 2000
About this documentOverview
This document describes the DEFINITY Enterprise Communications Server 
(ECS) Release 8 administration, and includes all incremental releases up to and 
including Release 8.2. You may also want to see the DEFINITY ECS Change 
Description to see what is new as of R8.2.
NOTE:
This book contains information previously contained in the DEFINITY ECS 
Administration and Feature Description and DEFINITY ECS 
Implementation books.
DEFINITY ECS is a family of cost-effective digital com m unication systems. 
These systems:
■route voice and data information between various endpoints (telephones, 
terminals, computers)
■provide highly robust networking capabilities
■include an extensive set of standard features including attendant consoles, 
voice processing interface, call coverage, DS1 (T1 a nd E1) connectivity, 
hospitality support, recorded announcements, and trunk-to-trunk transfer
■provide flexibility and allow for the addition of optional features and/or 
upgrades to the system as business needs change