A feature found on cellular telephones permitting the user (when roaming away from home) to select either the "A" (non-wireline) carrier or the "B" (wireline) carrier. (Cingular)
Device Manufacturers:
Amazon | Apple | Barnes & Noble | BenQ-Siemens | BlackBerry | Fujitsu | HP | HTC
Kobo | Kyocera | LG | Motorola | Nokia | Palm | Pantech | Samsung | Sanyo | Sony Ericsson | Toshiba
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