GSM: A Wireless Cure for Cross-Border Data Chaos

摘要

Corporate globetrotters who use laptop or notebook PCs to keep in touch with their home base are painfully familiar with the idiosyncrasies of national telecom networks. Packing the right leads, wires, and phone jacks is only part of the problem; to download their e-mail or send faxes, road warriors also have to come to grips with quirky hotel PBXs and basic differences in the way public phone networks operate from country to country.