Patent ID: 7831038
Filing Date: 2010-11-09
Classification: H04M

Abstract:
1. A self-configuring telephone interface unit, comprising: a switch matrix, settable to each of a plurality of switch configurations, each switch configuration coupling a plurality of signal lines from a handset port of a telephone to a plurality of signal lines from a headset, the plurality of signal lines from the handset port including a handset port receive path, the plurality of signal lines from the headset including a headset receive path; and a control logic, coupled to the switch matrix, that automatically determines which of the plurality of signal lines from the handset port comprise appropriate signal lines, determines a preferred switch configuration from among the plurality of switch configurations based upon which of the plurality of signal lines from the handset port comprise the appropriate signal lines, and sets the switch matrix to the preferred switch configuration, the preferred switch configuration coupling the handset port receive path to the headset receive path.