Voice over IP (VoIP) network infrastructure components and method
US8194640B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2004 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Dec 28, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M7/126
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A voice over Internet protocol communication system and method provides infrastructure components as intermediaries between networks, the components include multi-protocol session controllers and a multi-protocol signaling switch as well as a management system. The session controllers process calls and participate in the calls that flow through it. The session controllers process calls that are either at the edge of the network or at the core of the voice over Internet protocol network. The session controllers associate calls with one another in call peers for incoming calls as ingress call peers and for outgoing calls as egress call peers. A centralized database of call routing policies is provided to the session controllers. The session controllers provide cost management, topology hiding, and inter-working, or conversion, of calls from SIP networks to H.323 networks for both voice and video.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.