Systems and methods to block communication calls
US8077849B2 · kind B2 · utility
25Cited by
53References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2007 |
| Grant date | Dec 13, 2011 |
| Priority date | — |
| Expiry date | Aug 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and apparatuses to block calls from reaching destinations. In one embodiment, a method includes: receiving a call for a connection to an entity via a reference; based on the reference used for the call, determining a reference of the entity; determining whether the call is to be blocked; and responsive to a determination that the call is not to be blocked, establishing the connection to the entity using the reference of the entity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.