TOKYO & WALTHAM, Mass.--(BUSINESS WIRE)--NEC Corporation and NetCracker Technology announced today that Turkcell Superonline, a leading data, voice and video service provider in Turkey, has opted to use NetCracker solutions to improve and optimize B2B and B2C service fulfillment and assurance and drive operational and business agility. Turkcell Superonline is the only provider in Turkey to offer high-speed, ultra-broadband services to residential and business customers, including 1,000 Mb/s Int