Avaya 1.3 User Manual
Learning About Avaya Computer Telephony
26 Installation Guide
The Essential Components of a CTI System
Although a CTI implementation can take many forms, Figure 1-1 depicts a simple model of
CTI in terms of Avaya Computer Telephony components. This model depicts a DEFINITY
switch that relies on the Adjunct Switch Application Interface (ASAI) to effect
communications with adjuncts (such as the Avaya Computer Telephony server).
CTI in terms of Avaya Computer Telephony components. This model depicts a DEFINITY
switch that relies on the Adjunct Switch Application Interface (ASAI) to effect
communications with adjuncts (such as the Avaya Computer Telephony server).
Figure 1-1: Essential Components of Avaya Computer Telephony — A High Level
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DEFINITY
ECS
ECS
Avaya CT Server
TSAPI
Client
Telephony
Software
Services
Agent
Workstation
Agent
Telephone
Phone Line
Switch
Server
Client
ASAI