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Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Call completion supplementary services
Is one of a series of standards defining services and signalling protocols applicable to Private Services Networks (PISN).
The series uses ISDN concepts as developed by ITU-T and conforms to the framework of Standards for Open Systems Interconnections as defined by ISO/IEC.
Specifies the Call Completion supplementary services.
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