A GSM technology that allows some digital mobile phones to be used in different parts of the world.
3G Today: Reliance World Roaming Reliance World Roaming allows users to roam over 200 countries and 350 GSM and CDMA networks with just one Reliance phone number.
Cnet: Verizon Wireless World Roaming Verizon may offer a vast network in the United States, but because it's a CDMA carrier, its coverage abroad isn't as pleasing. Using a Verizon CDMA handset, you can roam to China and Taiwan, Israel, New Zealand, Mexico, Venezuela, Brazil, South Korea, and a few Caribbean islands, though a software upgrade may be required.
