Labels:text | font | parallel | rectangle OCR: PERCENTAGE OF LINES THAT USE ISDN 90% 80- 1992 1993 1994 70 60 50 40 $30 20 Percentage of Lines NYNEX Ameritech BellSouth US West Bell Atlantic Pacific Bell Source: Belicore Southwestern FIGURE 2: ISDN is finally available on about half the phone lines in the United States and according to predictions will be used on 80 to 90 percent of lines by 1994.
