Question about NEC Electra Elite DTU 16D-2 Corded Phone

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I can hear the on hold message when the receiver is on the hook...

I have NEC Dterm 80 phones and we have hit some wrong series of buttons on two of them and now it's allowing us to hear the on hold message when the receiver is on the hook and the phones are not in use. It is coming through the speaker even though the speaker button is not pushed. Can someone tell me how to reprogram it back please. It's pretty annoying!!

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You can try pressing the feature key and then dialing 26. This is used to set background music on the extension when the phone is at rest. It also turns it off. This is on the dtu16 phones. Here is a link that has most of the user manuals for NEC phones. you should be able to find your manual here.

Posted on Nov 04, 2008


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Posted on Jan 02, 2017


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