HC Deb 16 December 1982 vol 34 c214W
Mr. Richard Shepherd

asked the Secretary of State for Industry what proportion of British Telecom's investment programme system X represented for each of the years in which it has featured.

Mr. Butcher

System X exchanges have only just begun to be introduced into the network. In 1981–82 19.5 million out of f1,456.1 million net expenditure on fixed assets was spent on system X exchanges.