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ECMA-142

Private Integrated Services Network (PISN) - Circuit mode 64kbit/s bearer services - Service description, functional capabilities and information flows (BCSD)

3rd edition, December 2001

This Standard specifies the service description and control aspects, including functional capabilities and information flows, of standardised circuit-mode bearer services which may be supported by a Private Integrated Services Network (PISN).

This Standard includes the following basic services:

  • Circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service category;
  • Circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer;
  • Circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for 3,1 kHz audio information transfer.

A PISN shall support at least one of the above three bearer services to conform with this Standard.

The scope of this Standard does not include:

  • the negotiation of service at call establishment time,
  • the change of service during a call, and
  • unidirectional services.

This Standard includes optional procedures for the provision of functions equivalent to the following public ISDN supplementary services: Subaddress and Multiple Subscriber Number.

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Classification

CategoryData communication – PISN

SubcategoryPISN

Technical CommitteeTC32

ISO/IEC number11574

ETSI numberEN 300 171

Archives

  • ECMA-142, 1st edition, June 1990Download
  • ECMA-142, 2nd edition, June 1997Download