Calling line/name identification of enterprise subscribers in mobile calls
US9667667B2 · kind B2 · utility
9Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2015 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Jul 12, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system, server, and method of DTMF detection in a VoIP network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.