An Intelligent Network (IN) is a network that provides specific technical capabilities or services outside the conventional network standard spectrum. This term is often linked with telecom networks, as recent innovation has expanded telecom's capabilities beyond itsoriginal primary function of facilitating phone calls.
Definition according to Technopedia;
The IN concept is becoming
more well defined with the introduction of more sophisticated networks by
telecom companies. A leader of this type of innovation is Bellcore, a company
with an Advanced Intelligent Network (AIN) that is often viewed as an IN model
for telecom. These networks can separate extra services from the call switching
system, making it easier to add new user services.
By using additional
technology, such as a Service Control Point (SCP) and a Service Management
System (SMS), these advanced networks can accommodate services like call
screening or call waiting, as well as more complex services like variable
charging, caller ID services and international messaging.
In
terms of how an IN operates with conventional telephony, the extra services use
the seven-layer Open Systems Interconnection (OSI) model common to different
types of networks. Experts have noted that because the standard telecom system
implements much of this model, INs primarily work with a single layer known as
the Intelligent Network Application Part (INAP).
Additional
IN standards are maintained by the ITU Telecommunication Standardization Sector
(ITU-T)
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