In the U.S., AT&T and T-Mobile are GSM carriers. Contrast with CDMA phone. See GSM. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

A feature-packed new slide-style GSM phone with a 1.3 megapixel ... 262,000-color display. This phone is not currently available from any major U.S. carrier. It is compatible with some U.S ...