Providing and managing bypass of enhanced services
US8942686B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2009 |
| Grant date | Jan 27, 2015 |
| Priority date | — |
| Expiry date | Apr 11, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication environment includes of one or more subscriber terminals capable of initiating emergency voice calls over a telephony network. The subscriber terminal further send messages over either a data network or a telephony signaling network to a communication management system. The communication management system receives messages from a subscriber terminal, either via a data network or a telephony signaling network. It also consists of one or more telephony switching nodes capable of querying the emergency context node for a called party emergency context. It also consists of one or more servers that provide advanced call control services.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.