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Cisco Cisco IP Contact Center Release 4.6.1 Technical References

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Overview 
1 
1. Overview 
ARI enables the Aastra Pointspan PBX to connect to the ICM via the ICM 
ARS Peripheral Gateway and the ACD-specific Gateway. The diagram 
below depicts how the ICM, ARS PG, Aastra ARS Gateway, and Aastra 
PBX are connected in an ARI deployment. 
 
Central 
Controller
  Peripheral Gateway
ARS PG
Aastra ARS 
Gateway
Aastra
PointSpan 
PBX
Telephone Network
Network 
Interface 
Controller
Agent
Phone
Agent
Workstation
OAI
ARS
OPC
CTI Server
CTI OS Server
 
Figure 1: Aastra ARI Architecture 
The Aastra ARS Gateway connects to the PointSpan using Pointspan‘s 
Open Application Interface (OAI). OAI allows an external software 
application to open a Communication Channel (CC) to the Pointspan 
switch in order to embed telephony features.