System and method for voice-activated dialing over implicit and explicit NFA trunks
US8041012B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2007 |
| Grant date | Oct 18, 2011 |
| Priority date | — |
| Expiry date | Aug 17, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M7/0057
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system for voice-activated dialing including means for initiating a call through a first connection between a user's phone and a switch at a central office; responsive to the first connection, means for initiating a second connection over the implicit trunk between the switch and a voice over internet protocol gateway; responsive to the second connection, means for initiating a third connection between the voice over internet protocol gateway and a voice-activated dialing platform; responsive to a keyword sent from the user's phone to the voice-activated dialing platform, means for disconnecting the implicit trunk and signaling the switch to connect to the voice-activated dialing platform over the explicit trunk; and responsive to a dialed number sent from the user's phone to the voice-activated dialing platform, means for handing the call off from the internet protocol gateway to the switch at the central office to process through call the implicit trunk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.