Accessory handset only—requires a CL82115, CL82215, CL82315, CL82415, CL82465, CL82515, CL83215, CL83315, CL83365, CL83415, CL83465, CL83565, CL84115, CL84215, CL84265, or CL84365 to operate. Conference between an outside line and up to 4 cordless handsets.
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