Phone Service Over Internet Revives Talk Of Regulation
Moves into Internet-based telephone service announced by Time Warner and AT&T raise questions about whether and how such services should be regulated; Michael K Powell, FCC chairman, says he has not made up his mind, but tends to think that Internet-based calls are fundamentally different from conventional phone calls and ought to be regulated cautiously, if at all; Gene Kimmelman of Consumers Union contends that important public policy concerns like universal and affordable access would be gravely threatened if consumers used Internet-based services that were unregulated; says function, not technology, should guide regulatory decision (M)