Question about NEC DTH-8D-1 Corded Phone
Remove the Line wire from the back of the phone and then plug it in again. See if the DND function is still on. If yes : pick up the handset or press Speaker key and then press the corresponding DND Softkey (the buttons right under the LCD). If you don't see any DND text on the LCD of the phone try to move to another pair of Softkeys by pressing the last button (see the >> on the LCD)
Posted on Mar 17, 2011
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Posted on Jan 02, 2017
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