Mobile server for managing the connectivity of terminals (40, 50) for communicating through a plurality of telecommunications networks (20, 30), the mobile server including: - at least one terminal communication module (122, 124, 126) configured to communicate with said terminals (40, 50), - a control module of the mobile server comprising a connection management module, an access control module of the terminals (40, 50), a configuration management module of the network protocol and an authentication management module, the control module being configured to obtain the connectivity parameters of the terminals (40, 50) to the mobile server on the at least one terminal communication module (122, 124, 126), - a plurality of network communication modules (112, 114, 116) configured to communicate with a plurality of telecommunications networks (20, 30), - a storage area in which are stored connectivity parameter values of the terminal (40, 50), coupled to the control module, enabling the terminal to connect to the mobile server (20, 30), the mobile server being configured to: - connect to a plurality of telecommunications networks (20, 30) via the plurality of network communication modules (112, 114, 116), - extract a set of connectivity parameter values of the terminal (40, 50) from the storage area, - allow or not allow, on the basis of the extracted set of connectivity parameter values, the connection of the terminal (40, 50) via at least one of the terminal communication modules (122, 124, 126) so that the terminal (40, 50) can communicate applicative data through at least one of the telecommunications networks (20, 30) via at least said terminal communication module (122, 124,126) and at least one of the network communication modules (112,114, 116), the connectivity parameters being organized in the storage area in the form of a tree structure comprising a plurality of hierarchical objects each grouping together one or a plurality of connectivity parameters, the tree structure being based on the Open Mobile Alliance model comprising an object called Mobile Access Point defining the connectivity parameters of the terminals (40, 50) and the objects being handled using the Open Mobile Alliance Device Management protocol. - at least one terminal communication module (122, 124, 126) configured to communicate with said terminals (40, 50), - a control module of the mobile server comprising a connection management module, an access control module of the terminals (40, 50), a configuration management module of the network protocol and an authentication management module, the control module being configured to obtain the connectivity parameters of the terminals (40, 50) to the mobile server on the at least one terminal communication module (122, 124, 126), - a plurality of network communication modules (112, 114, 116) configured to communicate with a plurality of telecommunications networks (20, 30), - a storage area in which are stored connectivity parameter values of the terminal (40, 50), coupled to the control module, enabling the terminal to connect to the mobile server (20, 30), - connect to a plurality of telecommunications networks (20, 30) via the plurality of network communication modules (112, 114, 116), - extract a set of connectivity parameter values of the terminal (40, 50) from the storage area, - allow or not allow, on the basis of the extracted set of connectivity parameter values, the connection of the terminal (40, 50) via at least one of the terminal communication modules (122, 124, 126) so that the terminal (40, 50) can communicate applicative data through at least one of the telecommunications networks (20, 30) via at least said terminal communication module (122, 124,126) and at least one of the network communication modules (112,114, 116),