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Issue 2.0 December 1995 1-3
Switch Integration Concepts
Switch integration
refers to the sharing of information between a voice
messaging system and a switch in order to provide a seamless interface to
callers and subscribers. A fully integrated voice messaging system uses
information taken directly from the switch to determine how to process each
incoming phone call. (Refer to Figure 1-2.) Integrating the Intuity system and a
MERLIN LEGEND switch does not require special equipment — the MERLIN
LEGEND system sends call information by touch-tones over the same voice
circuits used for call processing.
Figure 1-2. Call Routing
Trunk Call
Station
Coverage Path
Coverage
Group
Integrated
VMI
Calling
Group
Tip/Ring
Station Line
Trunk Call
MERLIN LEGEND
Communications System
Intuity System
Local Call
Local Call
Coverage
Outside
Direct
Outside
Direct
Local
Coverage
Local