Siemens Aktiengesellschaft

Renate Zygan-Maus

Ulrich Mitreuter

Ralf Rieken

Hanspeter Ruckstuhl

Stefan Unger

Reinhard Lueder

The invention relates to a method for improving the security of an Internet supplementary service. When access to the IP server network of a network operator is sought for an ISS message from the Internet, a service-independent authorization procedure is carried out by a purpose-built server, a service-independent identification being used to obtain said authorization. A service-related authorization procedure is subsequently carried out by a service access server, by means of a user password.

Method for protecting an internet supplementary service

Method for identifying Internet users, comprising: identifying or authenticating an Internet user at the Internet access point in the course of an access check when using the Internet access service of an Internet Service Provider with whom the Internet user maintains a business relation; and after the Internet user successfully passed the access check adding Internet user identification information to an Internet user's IP message by the Internet access point prior to forwarding said IP message, guaranteeing the integrity of this information with cryptographic means.

Method for identifying internet users

The invention prevents the need for a subscriber to input a PIN to book a service with the purpose of managing this service from the subscriber side. This is achieved by using a mobile network terminal for the management. The mobile subscriber reports a subscriber number of a fixed network terminal to the service, in which the subscriber number thus reported is allocated to the mobile network subscriber so that the mobile network subscriber can thereafter use the fixed network terminal for the special service, namely by debiting an account opened by the service.

Method for administering a service for a subscriber

A method and apparatus for handling network calls that require the support of an intelligent network. From a query by the switching center, an intelligent network is being determined based on which basis network the received call is being initiated from. The network calls' handling is then supported by the determined intelligent network.

Method and apparatus for handling calls requiring the support of an intelligent network

Method of rendering misuse of communication services more difficult

A process for flexible rate charging for existing connections permits flexible rate charging for services delivered through telecommunication networks. A variable price agreement is accomplished between a service provider and a service user within a predetermined framework, and adherence thereto is checked through the use of an independent verification system.

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Munich, Germany

Renate Zygan-Maus