The Intelligent Network (IN) concept was originated in the mid-1980s.The aim was to provide universal enhanced telecommunications and network functions across a wide range of equipments and geographic boundaries,meeting the needs of users as well as service providers.The fundamental change in the development of sophisticated IN network services is achieved by decoupling service control and creation functions from the switching system.This makes it possible for network providers to introduce new service rapidly and with minimum disruption to the network[1].
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