Application of INAP to AIN intelligent peripheral
As the infrastructure of the advanced intelligent network (AIN) has evolved, the intelligent peripheral (IP) has emerged as a major node for adding value to telephony services. It provides user friendly interfaces for customizing a service with various resources such as DTMF digit collection, voice announcement, voice recognition, video payload, and audio conference bridge, etc. We are developing a kind of networked IP which supports ISDN user part (ISUP) and intelligent network application protocol (INAP) for the communication with the service switching point (SSP) and the service control point (SCP) respectively. This paper describes the AIN IP architecture, telecommunication interface subsystem which is one of the four subsystems of IP, and functional blocks of INAP. The IP INAP provides application services by collating with the SCP, processed messages, and operations carried out at the IP, to provide specialized resource services with 3 ASEs which provides 7 operations. We applied this system to interface scenarios between the IP and other network elements and user interaction procedures.
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