As part of the introduction of RCS , the three mobile network operators (MNOs) Telekom, Vodafone and Telefónica want to jointly present and position the b2b service RBM ("rich business messaging") as an innovative, modern business service on the German market in the future with a uniform website for a specialist audience with a focus on merchants/brands (i.e., user companies such as branded companies, consumer goods manufacturers, airlines, car rental companies, etc.).