Abstract: A method relating to the management of at least one dynamic virtual connection between a mobile terminal and a communication network is disclosed. In one aspect, one or more dynamic virtual connections are arranged between the mobile terminal and a gateway, each having at least one connection parameter. The method including detecting the connection of the terminal to another base station, connected to a subsequent gateway to which the terminal was not previously connected. It includes the creation, via a subsequent quality of service manager connected to the subsequent gateway, of dynamic virtual connections between the mobile terminal and the subsequent gateway, the number of dynamic virtual connections created being equal to the number of preceding dynamic virtual connections and the connection parameters of the dynamic virtual connections created being identical to the connection parameters of the preceding dynamic virtual connections.

Abstract: A method relating to the management of at least one dynamic virtual connection between a mobile terminal and a communication network is disclosed. In one aspect, one or more dynamic virtual connections are arranged between the mobile terminal and a gateway, each having at least one connection parameter. The method including detecting the connection of the terminal to another base station, connected to a subsequent gateway to which the terminal was not previously connected. It includes the creation, via a subsequent quality of service manager connected to the subsequent gateway, of dynamic virtual connections between the mobile terminal and the subsequent gateway, the number of dynamic virtual connections created being equal to the number of preceding dynamic virtual connections and the connection parameters of the dynamic virtual connections created being identical to the connection parameters of the preceding dynamic virtual connections.

Abstract: A method for guaranteeing with a high level of reliability the continuity of the communications operated from a fourth-generation mobile terminal linked to a level-3 interconnection network, in the terminology defined by the OSI, uses gateways to maintain location information about the mobile terminals. The method applies notably to the mobility of mobile terminals in a context which is highly intolerant to faults, for example for networks used by military forces, public bodies, or civil agents such as the police, fire brigade or civil security. In particular, it may be implemented in networks liable to experience breaks in communication links in the interconnection network.

Abstract: A method ensuring continuity of management of communications sessions operated from a fourth-generation mobile terminal communicating on an IP network including at least one radio network with a plurality of base stations with which said terminal is capable of communicating, said radio network connected via access gateways to an interconnection network with communications session management application servers, the sessions of a mobile terminal being managed by one of said servers, the method including: in the event of a movement of the mobile terminal resulting in a change of access gateway, the new gateway transmits an alert message to a new management server; the new management server transmits an interrogation request to the other servers in order to recover the call context of the mobile terminal; and the new server transmits an invitation to the mobile terminal accompanied by connection parameters, such that said terminal can connect to the new server.

Abstract: A method ensuring continuity of management of communications sessions operated from a fourth-generation mobile terminal communicating on an IP network including at least one radio network with a plurality of base stations with which said terminal is capable of communicating, said radio network connected via access gateways to an interconnection network with communications session management application servers, the sessions of a mobile terminal being managed by one of said servers, the method including: in the event of a movement of the mobile terminal resulting in a change of access gateway, the new gateway transmits an alert message to a new management server; the new management server transmits an interrogation request to the other servers in order to recover the call context of the mobile terminal; and the new server transmits an invitation to the mobile terminal accompanied by connection parameters, such that said terminal can connect to the new server.