Phone-independent key expansion module

Details Phone-independent key expansion module Phone-independent key expansion module

2011-08-02

2011-08-02

Smith, Creighton (Department: 2614)

Telephonic communications

Terminal accessory or auxiliary equipment

C379S442000, C379S422000

Reexamination Certificate

active

07991150

ABSTRACT:
A button box provides additional keys that can be used in conjunction with a telephone. In one embodiment, a button box is configured by associating it with a telephone and by programming its keys. When a key on the button box is activated, a key press event is sent from the button box to the associated phone. The phone treats the key press event as if a key on the phone itself had been activated and forwards the event to the voice switch appliance associated with the phone. (Alternatively, the key press event is sent from the button box directly to a voice switch appliance.) The button box's user interface is controlled by a voice switch appliance.

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