Method and apparatus for determining and utilizing local phone topography
US9025750B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 16, 2007 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Apr 30, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/2094
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method, apparatus and computer program product for determining and utilizing local phone topography is presented. A first signal level for each of a plurality of telephone lines is determined, each of the telephone lines having a telephone of a plurality of telephones associated therewith. A new signal is initiated on another telephone line with an additional telephone. Next, a change in signal level is determined for each of the plurality of telephone lines and, based on the change in signal level for each of the plurality of telephone lines, a determination made regarding which telephones of the plurality of telephones are within a listening distance (also referred to herein as earshot) of the additional telephone. A topography is defined for the telephones and the additional telephone based on the determining which telephones are within a listening distance of the additional telephone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.