VIACCESS WAS DEVELOPED BY WHICH FRENCH MULTINAITONAL TELECOMMUNICATIONS CORPORATION?
Viaccess Viaccess is a conditional access system developed by Orange S.A.. There are six versions in use today, Viaccess PC2.3, Viaccess PC2.4, Viaccess PC2.5, Viaccess PC2.6, Viaccess PC3.0, Viaccess PC4.0, Viaccess PC5.0, and Viaccess PC6.0.
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.