Trying to find a way for my NEC ETW-16DC-1 to display caller id when I miss calls and no messages are left. I have tried plugging in a stand-alone, but then the phone line goes dead. I have tried it thru the phone company but they said the phone itself has to have a display to show caller id- my phone has a display for date/time but no caller id.....can anyone help me????? please. Di
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