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

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Problems with NEC -80573 Corded Phone

I just moved from one office to another and we brought our phones. we just need to program the intercom for the three phones anyone have the solution??

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Re: Problems with NEC -80573 Corded Phone

Hit Feature

Hit Re-Dial

Choose the DSS button

Dial 01

Dial that persons extension

Hit Feature.


That should do it.

Posted on Oct 19, 2007

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Re: Problems with NEC -80573 Corded Phone - NEC Electra Elite DTU 16D-2 Corded Phone Phones

What is the model of your phone system.

Posted on Sep 30, 2007

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1 Answer

When someone in office calls my phone the intercom picks up instead of ringing. How do I turn that off? we use the NEC 80 version 2.25

The phone people in the office should be able to turn off call forwarding and auto answer

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Call Forwarding -
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Call Forwarding permits an extension user to redirect their call to another ... in the Call Forwarding programming mode - the same as pressing INTERCOM and ...

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Need to reset the security code for part #80573

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May 21, 2008 | NEC Electra Elite DTU 16D-2 Corded Phone

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Jan 18, 2008 | NEC 80573 Corded Phone

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Problems with Intercom

Yes, you just need to program those buttons on your phone. Press "feature" then "redial" then press the button you want to program, then press "1" then it's extension # (example: 1-0-0 to program the button for extension 100) then press "feature". After you've programmed those extensions, the intercom should work.

Dec 20, 2007 | NEC Electra Elite DTU 16D-2 Corded Phone

1 Answer


here is how i got it fixed

press voicemail
push SA
then I
mailbox number should be 802
then L is to listen, R is to record a new one.
hope that helps

Nov 27, 2007 | NEC 80573 Corded Phone

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Keeping Same Extension

Well, from the master phone(usually ext 100). You need to make sure to press fea. 84 until it says "relocation ON". From there you type in 65*->then enter your ext.->then you will need the 10 digit password for the phone system. After that the ext. will be moved.

Nov 09, 2007 | NEC 80573 Corded Phone

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