But Nokia still has to deliver on the second part of its strategy, by introducing phones that customers rush out to buy.

J-Phone heavily discounts its service and has introduced phones with cameras embedded in them, a big hit with teenagers.

Under its new chief executive, Ed Zander, Motorola has also cut development costs and the time it takes to introduce new phones.

Northern Telecom and several Japanese companies are expected to introduce similar phones in 1992.

In the 1980s, a number of manufacturers, including Sony, introduced cordless phones for the consumer market.

Competition has increased, with manufacturers from Japan, China and the United States introducing new phones.

More than half of all Japanese now own cellphones, so telecommunications providers are introducing more sophisticated phones that often lead to higher service fees.

Handset makers are introducing phones with longer-lasting batteries, and by March consumers will be able to use the phones in 90 percent of the country.

A.T.&T. introduced new cordless phones that it claimed have better sound quality than now available.

A growing number of workplaces are introducing wireless phones even when round-the-clock accessibility isn't an issue.