51.   But the sound quality of phone calls over the public Internet is generally inferior to that of calls over traditional telephone systems.

52.   But unlike users of the telephone system, Internet users have been largely isolated from the dislocations that come with growth.

53.   Cellular telephone companies are pushing federal regulators for a new telephone fee system they say would increase the number of cell calls and boost industry revenue.

54.   Castle manufactures equipment that makes it easier for traditional telephone systems to communicate with newer products based on Internet technology.

55.   Chileans own major stakes in electric utilities, railroads, supermarkets, pension funds, pharmaceutical firms, textile plants and telephone systems throughout the continent.

56.   CISCO TO INTRODUCE INTERNET PHONES Cisco Systems intends Monday to announce an office telephone system based on Internet technology.

57.   Cisco now wants to link its networking technology with the standard telephone systems that most people use to dial into the Internet.

58.   Commands to the service provider are still sent through the telephone system.

59.   Companies, including Lucent and Northern Telecom of Canada, which have thrived as builders of traditional telephone systems, are expanding into the torrid business of data networking.

60.   Consumers are accustomed to wire-based telephone systems working all the time, except during natural disasters.