Mobile network operators from all over the world meet at SIGOS Telecommunications & Digital Experience Conference in Düsseldorf

(pressebox) Düsseldorf, 29.05.2017 - For more than 10 years, SIGOS has been inviting mobile network operators from all over the world to an annual telecommunications conference. After being held in different locations worldwide, the multi-day conference took place at the Hilton Hotel in Düsseldorf ...