| 摘要 |
The invention concerns a method and a device for authorization checking for telecommunications services, in particular automatic checking of authorization for subscribers who call telecommunications services via the telecommunications network. According to the invention the authorization checks are available automatically by a signal from the calling subscriber's home station being utilized, which clearly identifies the calling subscriber. The code is forwarded to the called subscriber, that is the telecommunications service, which detects the code in order to check the authorization. The call is then connected depending upon the result of the check. As a result of the use of the invention a high level of security is obtained against unauthorized infiltration into different telecommunications service systems. <IMAGE> |
