NEC DT400 User Manual
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DT400/DT800
USER'S GUIDE
(1) Microphone
(2) Call Indicator Lamp
Lamp at top corner of DT Series Display flashes when a call
terminates to the terminal. Lamp lights steadily when a
message has been left.
(3)
LCD (Note 1)
The LCD has A 24-character, 4- line capability. Top line is used
exclusively for the status icons.
4:26 PM TUE 12 FEB 2020
[SPD Name ][ Headset ][ Mic ][ >>>]
(4)
Exit
The user can exit from the Help key mode by pressing this key.
(5) Soft Keys
Any feature shown at the bottom of the LCD is available. The
appropriate feature key is displayed on the screen according to
the call handling process.

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Questions and answers

Natasha Stanke
April 10, 2025

My phone does not ring when a call is transferred to my phone. My phone rings when an outside caller calls in, but not when someone internally is trying to transfer a call to me.

1 comments:
Mr. Anderson
April 10, 2025

The NEC DT400 phone may not ring for transferred internal calls if the internal ring tone is set to a tone that is hard to hear or silent. You can change the internal ring tone by pressing the speaker button, dialing 720, selecting option 1 for internal calls, choosing a tone from 1 to 8, and pressing speaker again to save.

This answer is automatically generated

Mary Padro
July 14, 2025

How to specify the number of rings before VM picks up?

Corinna Payne
April 28, 2025

how to program for head set NEC DT400

This manual is also suitable for:

Dt800

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