METHOD AND DEVICE FOR SECURING ACCESS TO A SERVICE IN A TELECOMMUNICATIONS NETWORK

摘要

The invention relates to a method for accessing a service in a telecommunications network, be it an intelligent network, a private network or a mobile radio network, from any kind of communications terminal. In order to gain access to the desired service, users must authenticate themselves by entering sequences of numbers. The invention also relates to a device in a telecommunications network for carrying out a secure authentication when a service is requested.