Copy protection of software for use in a private branch exchange

Details Copy protection of software for use in a private branch exchange Copy protection of software for use in a private branch exchange

1992-12-03

1994-07-12

Dwyer, James L.

Telephonic communications

Call or terminal access alarm or control

Fraud or improper use mitigating or indication

379198, H04M 300

Patent

active

053295706

ABSTRACT:
An inexpensive software copy protection arrangement prevents the unauthorized use of customized software for a private branch exchange switch. The arrangement employs a process which recognizes the signature of typical unauthorized activities and freezes the administration capability of the private branch exchange switch when such signature is detected. By freezing the administrative capabilities, the addition, removal or change of an administrative port, extension or routing pattern on the private branch exchange switch is prevented.

REFERENCES:
patent: 4064372 (1977-12-01), Altenburger
patent: 4661974 (1987-04-01), Boles
patent: 4955047 (1990-09-01), Morganstein
patent: 5099511 (1992-03-01), Matsumoto
patent: 5274698 (1993-12-01), Jang

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