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ETSI EN 301 102

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The present document specifies the mapping functions for a pair of on-demand inter-PINX connections using a circuit mode basic service and the supplementary service User-to-User Signalling (service 3) of a public ISDN at the same time. In order to connect a Private Integrated services Network eXchange (PINX) to another PINX, mapping functions are required to adapt the specific interfaces at the C reference point to the application at the Q reference point. As such, mapping functions provide for physical adaptation to the interface at the C reference point. Mapping functions also provide for the mapping of user channels and signalling information at the Q reference point to the appropriate channels or timeslots at the C reference point. The C and Q reference points are defined in ISO/IEC 11579-1[3]. At the Q reference point the mappings provide a 64 kbit/s service for user channels and a packet mode service for the signalling channel. Bearer conditioning is outside the scope of the present document, except for providing the layer 2 for the signalling channel at the Q reference point. Scenario management is outside the scope of the present document. The present document is applicable to PINXs which can be interconnected to form a PISN and which support signalling protocols at the Q reference point.

Dokumentinformasjon

  • Standard fra ETSI_AC
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  • Varetype: IS
  • Tilleggsinformasjon
    • V1.1.1