Regulation 33 Standards for ISDN network termination points

In exercising their functions under Part II and sections 47 to 49 of the Act, the Secretary of State and the Director shall ensure that where fixed publicly available telephone services are supplied to subscribers over the ISDN network at the S/T reference point^f1, the ISDN network termination points comply with the relevant physical interface specifications, in particular, those for the socket, referenced in the ONP List of Standards referred to in Article 5 of the ONP Framework Directive.