System for maintaining PBX license key information in the event of a hardware failure reducing MTTR
US6735297B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2001 |
| Grant date | May 11, 2004 |
| Priority date | — |
| Expiry date | Aug 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.