Patent · US Expired

System for maintaining PBX license key information in the event of a hardware failure reducing MTTR

US6735297B1 · kind B1 · utility

3Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 12, 2001
Grant dateMay 11, 2004
Priority date
Expiry dateAug 2, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M3/42314
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A programmable telephone system including system software and system hardware. The system software includes instructions for operating the telephone system, and requires license information to operate. The system hardware includes a system specific memory and a system board. The system board executes the instructions of the system software. The system specific memory store is the license information and is separately replaceable from the system board in the system hardware.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.