Part B: Facilities referred to in Article 29F1 United Kingdom Repealed Original text. Later amendments are not shown. (a)Tone dialling or DTMF (dual-tone multi-frequency operation) (b)Calling-line identification Annotations Textual amendments F1 Repealed by Directive (EU) 2018/1972 of the European Parliament and of the Council of 11 December 2018 establishing the European Electronic Communications Code (Recast) (Text with EEA relevance). Part B: