Smartcard telephone adjunct

Details Smartcard telephone adjunct Smartcard telephone adjunct

H - Electricity

04

M

H04M 11/00 (2006.01) G07F 7/08 (2006.01) H04M 17/00 (2006.01)

Patent

CA 2120068

- 12 - SMARTCARD TELEPHONE ADJUNCT Abstract A telephone adjunct, or a telephone which incorporates the telephone adjunct, that includes a smartcard reader provides users with enhanced capabilities. One basic concept disclosed is the ability of smartcards to interact with a service provider called by the user. A salient feature of the invention is that the user can interact with the service provider in the normal mode (e.g., through voice communication) and, at will, switch over to digital communication between the smartcard and the service provider. Normal mode operation can be reinstated upon termination of the digital communication by the smartcard. In one embodiment, the adjunct contains the smartcard reader coupled to a modem and the modem is coupled to a network port of the adjunct through a switch. The user's telephone is coupled to the network port of the adjunct through the same switch. This switch is under influence of a controller that is sensitive to selected control signals, such as voice energy from the user's telephone, voice or carrier frequency from the network and carrier or data signals from the modem.

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