"However, one of the directors who was implicated in the scandal had a role in the marketing of NTT. Because of this, we feel we should become a little more passive in terms of marketing or sales activities in the future.What are the opportunities for U.S. companies in NTT???s push to develop ISDN?Most of NTT???s work on ISDN will be completed by the beginning of 1990." . . . .