Title:
SWITCH DEVICE FOR USE IN GATEWAY EQUIPMENT AND GATEWAY EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2017/000220
Kind Code:
A1
Abstract:
A switch device for use in a gateway equipment and a gateway equipment comprising the switch device are suggested. The suggested switch comprises a Foreign Exchange Station (FXS) port configured to be connected to a telephone set, a Foreign Exchange Office (FXO) port connected to communicate analog voice signals with an external network, and a Voice over Internet Protocol (VOIP) unit configured to communicate digital data signals with the external network and enable a VOIP call using the digital data signals. The switch device comprises a switch configured to, when the gateway equipment is power down, connect the FXS port to the FXO port. The switch device also comprises a power unit configured to generate a work voltage from the analog voice signals at the FXO port to provide a power supply to the switch.
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Inventors:
LI QI (CN)
HE WEI (CN)
SUN AIHUA (CN)
HE WEI (CN)
SUN AIHUA (CN)
Application Number:
PCT/CN2015/082831
Publication Date:
January 05, 2017
Filing Date:
June 30, 2015
Export Citation:
Assignee:
THOMSON LICENSING (FR)
International Classes:
H04M7/00; H04L12/66
Foreign References:
| CN1805451A | 2006-07-19 | |||
| CN101068184A | 2007-11-07 | |||
| CN1656785A | 2005-08-17 |
Other References:
See also references of EP 3318022A4
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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