INAP is utilized in Intelligent Networking (IN). It is a segment of the Signalling System No. 7 (SS7) convention suite. The intelligent network application works as the flagging convention among service switching points, service control point (SCP) and intelligent peripherals or network media resources. INAP characterized Services, for example, VPN short digit expansion dialing administration, Single number assistance, Do not disturb service, Personal access administration (user management of calls) and Disaster recovery service (backup call destinations).