ISO/IEC 15051-ed.2.0

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Recall supplementary service

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STANDARD published on 21.3.2003

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Designation standards: ISO/IEC 15051-ed.2.0
Publication date standards: 21.3.2003
SKU: NS-941364
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: International technical standard
Category: Technical standards ISO

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Annotation of standard text ISO/IEC 15051-ed.2.0 :

ISO/IEC 15051:2003 specifies supplementary service Recall (SS-RE), which is applicable to various basic services supported by Private Integrated Services Networks (PISN). Basic services are specified in ISO/IEC 11574. SS-RE is a supplementary service which provides for the redirection of a call transferred by the served user back to the served user if the call is unanswered. SS-RE is only applicable after transfer by join, not after transfer by rerouteing. Service specifications are produced in three stages, according to the method described in ETS 300 387. ISO/IEC 15051:2003 contains the stage 1 and stage 2 specifications of SS-RE. The stage 1 specification (clause 6) specifies the supplementary service as seen by users of PISNs. The stage 2 specification (clause 7) identifies the functional entities involved in the supplementary service and the information flows between them.

ISO/IEC 15051-ed.2.0

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Annotation of standard text ISO/IEC 15051-ed.2.0 :

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