Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Turkey. It serves its customers with voice, data, TV and value-added consumer and enterprise services on mobile and fixed networks. Turkcell launched LTE services they have the most concise vision, DO: Digital Operator, and strategy: 1440. Their vision, digital operator, allows them to offer digital services that offer the best customer experience and their strategy enables them to be with their customers for 1440 minutes in a day. Lifecell made DO1440 available to all operators in the last year.” www.digitaloperator1440.com