<b>Deutsche Telekom AG</b> (owner of "T-mobile") is the largest wireless communications service provider in the Europe by revenue. Founded in 1995 it is a German telecommunications company headquartered in Bonn. | <b>Deutsche Telekom AG</b> (owner of "T-mobile") is the largest wireless communications service provider in the Europe by revenue. Founded in 1995 it is a German telecommunications company headquartered in Bonn. |