PROCEDE ET SERVEUR D'ACCES A UN RESEAU NUMERIQUE, ET SYSTEME L'INCORPORANT

The invention enables a connection to be established across a packet mode network between a user terminal and a server of a service provider using one specific connection mode of a plurality of different connection modes supported by the digital network, whereby the specific connection mode is identified on the basis of data transmitted by the user terminal, at least one service access server is selected, depending on the specific connection mode, from a plurality of service access servers, such that the selected service access server is compatible with the specific connection mode, and at least one call accounting message is transmitted to the at least one selected service access server.