Method for transmitting subscriber data in communication systems

Details Method for transmitting subscriber data in communication systems Method for transmitting subscriber data in communication systems

1990-09-27

1991-11-19

Buczinski, Stephen C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

379 34, 379142, 380 48, H04K 100, H04K 900, H04M 124

Patent

active

050671537

ABSTRACT:
A transmission of subscriber data occurs between subscriber equipment in communication systems in order to be able to display such subscriber data on a display of subscriber equipment of a call partner. The display of the subscriber data of what is referred to as secret subscriber equipment at the call partner is prevented. The secret status of such subscriber equipment can be canceled in general or call-associated with identification information that is generated and transmitted on the basis of an identification function activated with cancel secrecy information.

REFERENCES:
patent: 4320258 (1982-03-01), McDonald
patent: 4876717 (1989-10-01), Barron et al.
patent: 4893325 (1990-01-01), Pankonen et al.
patent: 4937862 (1990-06-01), Kosich
patent: 4942598 (1990-07-01), Davis

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