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ISO/IEC 17878:2003

Current Revision

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Inter-exchange signalling protocol Private User Mobility (PUM) Call handling additional network features

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ISO/IEC 17878:2003 specifies the signalling protocol for the support of the Private User Mobility call handling additional network features (ANF-PUMI and ANF-PUMO) at the Q reference point between Private Integrated services Network eXchanges (PINX) connected together within a Private Integrated Services Network (PISN).

ANF-PUMI is a feature that directs incoming calls to a PUM user within the PISN regardless of the PUM user's geographical location within the PISN, provided that the PUM user's location is known.

ANF-PUMO permits the PISN to process call requests from a PUM user at the home location, if required.

The Q reference point is defined in ISO/IEC 11579-1.

Service specifications are produced in three stages and according to the method specified in ITU-T Rec. I.130. ISO/IEC 17878:2003 contains the stage 3 specification for the Q reference point and satisfies the requirements identified by the stage 1 and stage 2 specifications in ISO/IEC 17877.

The signalling protocol for ANF-PUMI and ANF-PUMO operates on top of the signalling protocol for basic circuit switched call control, as specified in ISO/IEC 11572, and uses certain aspects of the generic procedures for the control of supplementary services specified in ISO/IEC 11582.

ISO/IEC 17878:2003 also specifies additional signalling protocol requirements for the support of interactions at the Q reference point between ANF-PUMI/ANF-PUMO and other supplementary services and ANFs.

ISO/IEC 17878:2003 is applicable to PINXs which can interconnect to form a PISN.


SDO ISO: International Organization for Standardization
Document Number ISO/IEC 17878
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/IEC/JTC 1/SC 6
Publish Date Document Id Type View
Not Available ISO/IEC 17878:2003 Revision