One Call is one of Norway's leading telecom operators servicing both private and business clients across the country. We are ... based in Norway with the main office in the capital, Oslo. One Call offers solutions in mobile telephone subscriptions. One Call have been 100% owned by Network Norway (http://www.networknorway.no/) since February 2008, and Network Norway is owned by Tele2 AB (http://www.tele2.com/). + Mobile Operator Of The Year - Gulltasten 2012 + Most satisfied mobile customers in Norway 2012 (Norsk Kundebarometer) + Most satisfied customers in Norway 2012 (EPSI) + Most satisfied customers in Norway 2011 (Norsk Kundebarometer) + Most satisfied customers in Norway 2011 (EPSI) + Most satisfied customers in Norway 2010 (EPSI) + Most satisfied customers in Norway 2009 (EPSI) + Mobile Operator Of The Year - Gulltasten 2010 + Mobile Service Of The Year - Gulltasten 2009 read more