Based on the SatApps contract from ESA, round about 40 members of the Russian Railways RZhD took part in a dedicated workshop for defining the dedicated user requirements for the SAT4M2M global data management project “TELDASAT”. Based on detailed and fruitful discussions, important information concerning relevant requirements of the railway sector could be gathered for an on-following proof of concept could be elaborated. Moreover, a long-term partnership in the development, production  and operation of future-oriented, high-tech railway telematics systems has been announced.