scope:

The present document defines the stage one of the Remote Control (RC) service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunication operators. Stage one is an overall service description from the user's point of view (see ITU-T Recommendation I.130 [1]), but does not deal with the details of the human interface itself.

The present document defines the interworking requirements of private ISDNs with the public ISDN.

In addition the present document specifies the base functionality where the service is provided to the user via a private ISDN.

The present document does not specify the additional requirements where the service is provided to the user via a telecommunications network that is not an ISDN, but it does include interworking requirements of other networks with the public ISDN.

Charging principles are outside the scope of the present document.

The RC service enables a user to control a (supplementary) service or a number of (supplementary) services associated with that user from another access using the procedures provided for the (supplementary) service (s) to be controlled at the served user's access.

The RC service is applicable to all circuit-switched telecommunication services.

The present document is applicable to the stage two and the stage three standards for the ISDN RC service. The terms "stage two" and "stage three" are also defined in ITU-T Recommendation I.130 [1]. Where the text indicates the status of a requirement, (i.e. as strict command or prohibition, as authorization leaving freedom, or as capability or possibility), this will be reflected in the text of the relevant stage three standards.

Furthermore, conformance to the present document is met by conforming to the stage three standard with the field of application appropriate to the equipment being implemented. Therefore, no method of testing is provided for the present document