WIRELESS CHALLENGE - There's no doubt the old order is crumbling: Mobile phones are taking over, and Internet telephony is the wave of the future. Even though the number of fixed phone lines is still creeping up, wireless is growing six times as fast. Can the big telephone companies around the world prevail in the coming free-for-all?
Year of publication:
Business week : BW. - New York, NY : McGraw-Hill, ISSN 0007-7135, ZDB-ID 2402762. - 2003 (20.10.), p. 46-48