# The Telecommunications (Voice Telephony) Regulations 1997, Schedule 4: PROVISION OF ADVANCED FACILITIES IN ACCORDANCE WITH ARTICLE 9 OF THE VOICE TELEPHONY DIRECTIVE




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Source: https://www.legislation.gov.uk/uksi/1997/1886/schedule/4 (the official version)
Page: https://openlegislation.uk/telecommunications-voice-telephony-regulations-1997/schedule-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.