System for positional and time detection of identification information

摘要

All subscribers are associated with time detection terminals with MFV capable telephones. Connections can be made to a central and/or decentral time monitoring position by selection via the public ISDN network or an internal ISDN network. Interrogation of and menu delivery to the subscriber to be called up are conducted via the detection points of the time monitoring system. After monitoring and authorising the identification of the subscriber to be called up the combination of the identification with the current time and the preparation of the entry data for further processing are performed.