1.   About a month ago, it began a trial of the digital technology that lets customers use the same hand-held radio to make cellular calls and two-way radio broadcasts.

2.   About eighty percent of all cellular calls in the U.S. are outgoing, compared with just half in Europe.

3.   Failure means PHS companies will be confined to the cut-throat consumer market in Japan -- where their pricing edge will dull as rates on cellular calls fall.

4.   Federal law forbids eavesdropping on cellular calls, but as Prince Charles and House Speaker Newt Gingrich found to their embarrassment, electronic snooping is common.

5.   For a cellular call that lasts three minutes and two seconds, for example, customers are charged for four minutes.

6.   For the industry, the next step in boosting revenue, and, it hopes, profits, is to encourage more cellular calls.

7.   In addition, digital technologies are expected to offer better voice quality than cellular calls by reducing the amount of background noise.

8.   In just a few years, many Americans will probably be able to use a single handset for regular phone service, cellular calls, electronic mail and paging.

9.   In the rush to get out all the emergency equipment, no one remembered if any more cellular calls came in.

10.   Many users of free cellular calls obtained illegally simply make a habit of fleeing a location after a day or two has passed.