Conference between an outside line and up to 4 cordless handsets. Extra large display for easy viewing. Any key answer. Big buttons. Requires a CL81113, CL81213, CL81313, CL82113, CL82213, CL82263, CL82313, CL82363, CL82413, CL82463, CL83113, CL83213, CL83263, CL83313, CL83363, CL83413, or CL83463 to operate.
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