How to curb roaming charges

摘要

Bargain shoppers, take note: iPhone and BlackBerry users can make VoIP calls over 3G cellular networks with Agito Networks' latest upgrade to rnits RoamAnywhere Mobility Router. If a cell phone user places a voice call as a VoIP data connection over a 3G network, it can cut the cost of cellular calls (especially those with international roaming charges) by as much as 80%, Agito claims.