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Issue 1

August 1998

Introduction 

Page 1-2

Networking Concepts 

1

In today’s environment—business, academic, and governmental—many 
organizations are setting up multiple sites to provide customers and clients with 
better access to products and services. Branch offices, operations centers, and 
specialized campuses are supported by technological advances such as local 
area networks (LANs) and wide area networks (WANs), intranets, the Internet, 
videoconferencing, and protocols that enable high-speed data communications. 
For example, banking institutions and insurance companies often consist of a 
headquarters with branch offices; school systems are organized around a central 
administrative site that serves several schools in a district. Direct marketing 
retailers, utilities, and government agencies are dispersed over multiple sites, 
nationwide or regionally, to reach more clients or customers and to take 
advantage of the economies offered by specific geographic locations. All of these 
organizations share a common need: rapid and cost-efficient voice and data 
communications. For users of the MERLIN LEGEND

®

 Communications System, 

Release 6.0 introduces the ability to realize significant savings and convenience 
benefits through the networking of geographically separate locations in private 
communications networks. Release 6.1 adds to the savings and convenience 
benefits by providing a centralized voice messaging capability for networked 
MERLIN LEGEND systems.

Briefly, a 

private communications network is an interconnected group of 

communications systems, which may consist of MERLIN LEGEND 
Communications Systems, DEFINITY

®

 Enterprise Communications Servers 

(ECS), and/or DEFINITY ProLogix Solutions. People within each system, called 
local users, can exchange voice and data with other individuals at 
communications systems in the network, called 

non-local users. The systems in a 

private network may be located on the same campus, or they may be separated 
by thousands of miles.

All MERLIN LEGEND Communications Systems in a private network must 
be Release 6.0 or later. When centralized voice messaging is used, all 
MERLIN LEGEND systems that share the centralized voice messaging 
system must be Release 6.1 or later. While DEFINITY systems can be 
included in a private network with MERLIN LEGEND systems, the 
DEFINITY system cannot share the centralized voice mail system of the 
MERLIN LEGEND system, and the MERLIN LEGEND system cannot 
share the voice mail system of the DEFINITY system.