Question about NEC DTU 8D-2 Corded Phone
A button must be programmed as a "headset" key. When activated, it will lamp red, and put the conversation on the headset jack under the phone (next to the handset jack).
Or you can purchase a headset with an auto lifter for the handset. It picks up the handset enough to answer the call, but transfers the conversation to your headset.
Posted on May 09, 2008
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Posted on Jan 02, 2017
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The HL10 handset lifer is what notifies your headset that
you have an incoming call. If you are using the handset lifter and are not receiving the 3 short beeps in your ear piece there are a couple
different things that could be going on.
1. The internal microphone could have gone out on the lifter. This microphone is what sends the signal to your headset that you have an incoming call. If the microphone is working you will hear 3 short beeps in your headset.
2. If the volume is too low on your telephone, the handset lifter will not notify the headset of an incoming call, so try turning the volume up on your phone and see if that takes care of the problem.
3. The HL10 handset lifter ships with a ring detector that has a 2.5mm jack on one end and a small round microphone on the other end. This ring detector is intended for phones that do not have the speaker located under the handset. You could try plugging this into the back of the lifter and setting the microphone next to where the lifter is mounted on your phone. This might help pick up the sound of the phones ring tone.
If you are manually
lifting your handset out of the cradle and sitting it to the side instead of
using a lifter, then you will not receive the 3 short beeps in your earpiece to
notify you of an incoming call.
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