VIACCESS WAS DEVELOPED BY WHICH FRENCH MULTINAITONAL TELECOMMUNICATIONS CORPORATION?
Orange S.A. Orange S.A., formerly France Télécom S.A., is a French multinational telecommunications corporation. It has 256 million customers worldwide and employs 95,000 people in France, and 59,000 elsewhere. In 2015, the group had revenue of €40 billion. The company's head office is located in the 15th arrondissement of Paris. The current CEO is Stéphane Richard. The company is a component of the Euro Stoxx 50 stock market index.
Network switching subsystem Network switching subsystem (NSS) (or GSM core network) is the component of a GSM system that carries out call switching and mobility management functions for mobile phones roaming on the network of base stations. It is owned and deployed by mobile phone operators and allows mobile devices to communicate with each other and telephones in the wider public switched telephone network (PSTN). The architecture contains specific features and functions which are needed because the phones are not fixed in one location.