But if a business client in Peru calls the visitora#39;s cell phone, the incoming call goes via ATaamp;T in the US a involving the caller ... A rival to the TDMA technology in the region, CDMA (Code Division Multiple Access), is used by US carrier Sprint . ... It means their local carrier is restricted to making roaming agreements exclusively with fellow TDMA-technology carriers. This is ... ID recognition and it can be hacked into more easily, leaving it open to fraudulent usage, Nokiaa#39;s Palacios says.
|Title||:||The ... Corporate travel guide to Latin America|