Title:
PREVENTING SYSTEM FOR MALICIOUS ALTERATION OF SUBSCRIBER INFORMATION
Document Type and Number:
Japanese Patent JPS5437406
Kind Code:
A
Abstract:
PURPOSE: To prevent the subscriber from altering the subscriber information by adding the redundant bit encoded based on a fixed algorism to the subsdriber information set up to the terminal unit, and thus to ensure the normal service.
Inventors:
FURUKAWA KEISUKE
ICHIKI YASUSHI
OOMOTO HIROSHI
ICHIKI YASUSHI
OOMOTO HIROSHI
Application Number:
JP10254477A
Publication Date:
March 19, 1979
Filing Date:
August 29, 1977
Export Citation:
Assignee:
OKI ELECTRIC IND CO LTD
International Classes:
H04M11/06; H04L1/00; H04M11/00; (IPC1-7): H04M11/06
Domestic Patent References:
| JPS4721524A | ||||
| JPS5022553A | 1975-03-11 |