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TC32-TG14 - Private Integrated Services / Corporate Networks - Services and Signalling

Scope - Programme of work - Activities


To develop Standards and Technical Reports for services and signalling in Private Integrated Services / Corporate Networks (PISNs/CNs).

Programme of work:

  1. To develop service Standards and interface protocol signalling Standards for the connection of terminal equipment to a PISN/CN, utilising, and remaining compatible with, existing Standards and recommendations, as far as possible.

  2. To develop Standards for intra-PISN/CN services and signalling protocols (i.e. QSIG/PSS1), thereby supporting harmonized telecommunications services on multi-vendor PISNs/CNs, and to align these services as far as possible with the public ISDN telecommunications services.

  3. To co-operate with other standardization bodies in the development of Standards for the services and signalling of PISNs/CNs in relation to:
    • interconnection of PISN exchanges;
    • connection of terminal equipment (TE).

  4. To develop Standards for the service description, information flows and signalling protocols of PISN/CN services.

  5. To co-ordinate liaison with ITU-T, ISO/IEC JTC 1 and ETSI in the field of ISDN services and protocol standards.

  6. To monitor and to contribute to the work of other international and European bodies studying matters related to PISN/CN services (e.g. ISDN developments).

  7. To maintain existing standards for broadband private networks (B-PISN).

  8. To maintain existing standards for architectural, naming numbering and addressing aspects of narrowband and broadband PISNs/CNs.


Istvan Sebestyen (Ecma International)

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