System and method for bringing an in-line device on-line and assuming control of calls
US6687353B1 · kind B1 · utility
12Cited by
48References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2000 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Mar 18, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/2066
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephony security system and method for controlling and logging access between an enterprise'send-user stations at a plurality of customer sites and their respective circuits into the public switched telephone network (PSTN). The system and method includes a discrete line sensor within the customer sites for determining a call type of the call, and taking actions on the call based on predetermined security rules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.