Call-number based customer identification method for personalizable internet portals

Customer identification procedures for personalized Internet portals based on the calling party number (CLR; Calling Line ID), the terminal of the phone number is transmitted via the access network to a proxy server, which for protocol conversion between the access network and the Internet (or intranet is) protocols responsible, whereby a customer ID inserts depending on the service request (HTTP request), the proxy server in the service request, and that the customer ID is queried by the proxy server due to the MSISDN of a customer list, whereupon the portal is removed the ID of the service request, and tested with a query in the customer directory the customer's authorization, whereupon the service request the customer is answered, which at a first service request an additional session is created to store temporary data of the customer and that further each time the customer service request is taken from the ID of the service request to the portal and checks the authorization of the customer with a request in the customer directory.