1.   And because the new systems will increase competition in ordinary mobile phone service, analysts predict that prices and profitability in voice service will decline sharply.

2.   All voice portal services are accessible via cell phones.

3.   BT and ITJ will sell business voice services from its Concert joint venture with MCI Communications Corp. of the U.S. from July.

4.   BT and ITJ will sell Concert voice services between company offices in different locations and between them and their customers.

5.   But Armstrong said that in the current quarter the division was set for the first time to derive more revenue from data services than from voice telephone service.

6.   But none of the Bells have had wild success as retail Internet providers, perhaps because their brands are so throughly associated with voice telephone service.

7.   Cable-TV companies have plans to spend billions of dollars to upgrade their networks so they can provide voice services.

8.   Carr figures this market will get much bigger, as more customers sign up for voice mail service.

9.   Comdial, based in Charlottesville, Va., also makes computer-telephone integration software, digital voice services and voice processing products, wireless phones and paging systems.

10.   Demand for traditional voice service is growing slowly, steadily and predictably, phone companies say, as it has for years.