| 摘要 |
A process for authenticating a caller from a set (TA, PT) connected to a subscriber's line (TL), in which a card reader (KL) takes over the telephone line (TL) to the set (TA, PT) during the authentication phase after a chip card (CK) has been inserted and authentication is completed in accordance with the challenge-response procedure between the chip card (CK) and a called exchange (ZE) with an authentication centre (AZ). |
