Comcel, BellSouth announce upgrade plans for Colombian networks

BUENOS AIRES, Argentina-The two major cell-phone operators in Colombia, which operate on TDMA technology, announced they are migrating their networks to different technologies. In the case of BellSouth, the company will offer services over CDMA 1xRTT, supplied by Ericsson, as of the first quarter of the coming year, while Comcel, a subsidiary of Am