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3 results about "Telephone exchange" patented technology

A telephone exchange or telephone switch is a telecommunications system used in the public switched telephone network or in large enterprises. It interconnects telephone subscriber lines or virtual circuits of digital systems to establish telephone calls between subscribers.

Access Gateway (AGW 32)

ActiveCN310112794STelefacsimileTelephone exchange
1. The name of the design product: communication gateway (AGW32). 2. The use of the design product: the design product is used for the digital upgrade of analog lines, replacing telephone exchange in telephone bureau / enterprise, and converting the voice of telephone, fax and other devices relying on analog lines to IP network. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:SHENZHEN FLYINGVOICE NETWORK COMMUNICATION TECHNOLOGY CO LTD

Telephone exchange apparatus, telephone system, telephone exchange method, and program

ActiveUS12652349B2Special service for subscribersSubstation callingTelephone terminalTelephone exchange
A telephone exchange apparatus includes an acquisition unit, an extraction unit, a specification unit, and a call control unit. In a case where an incoming call including a user ID is detected, the acquisition unit acquires event information of a user having the user ID, the event information indicating a schedule event. The extraction unit extracts location information of the user from the event information. The specification unit specifies a telephone terminal to which the user is most likely to respond among telephone terminals on a basis of the location information, the telephone terminals having been used by the user in a past. The call control unit causes the specified telephone terminal to ring.
Owner:NEC PLATFROMS LTD

Access Gateway (AGW) 128

ActiveCN310112795STelefacsimileTelephone exchange
1. The name of the design product: communication gateway (AGW128). 2. The use of the design product: the design product is used for the digital upgrade of analog lines, replacing telephone exchange in telephone bureau / enterprise, and converting the voice of telephone, fax and other devices relying on analog lines to IP network. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:SHENZHEN FLYINGVOICE NETWORK COMMUNICATION TECHNOLOGY CO LTD