Question about NEC DTU 16-1 Corded Phone

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Problem with the head set

The headset works, but how is that that your are not supoused to lift the handset to use the headset?

if I plug the headset where it should be it doesn't work, I have to plug it in the handset position and lift the handset to talk.

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It requires a headset key to be programmed in Memory Block 4-12 as a type of Feature Access Key in order for the jack underneath the phone to work. Then you just press the button to speak via the headset.

Posted on Feb 12, 2008

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Posted on Jan 02, 2017

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1 Answer

When I push the button on my head set to answer a call the lift thing lifts the reciver cut i cant hear anything, it stays on intercom and does not let me hear a line....


Wireless units using a handset lifter need to connect to the phone through the handset jack of the phone. That's one thing to check. Also, you want to make sure the round compatibility dial on the left side of the base is set correctly (normally #1 at the 3 o'clock setting to match indicator ridge).

Good luck from Headsets Direct - 800-914-7996.

Aug 24, 2011 | Plantronics Radio Communications

1 Answer

I have a CS70 NC./ no lifter. What is the set up procedure to use my headset without lifting my phone handset. With the base plugged into the headset port of the phone.


If the Plantronics CS70N wireless headset is plugged into the headset jack on your phone, you will need to push the headset button on the phone and then the call/control button on the wireless headset.

Good luck from Headsets Direct!

Jun 10, 2011 | Plantronics CS70 Wireless Headset

1 Answer

Hi, At the office we have a Mitel IP phone we have just bought a headset model JAC0021201- B. We cant get it to work. Please can you advise how we set this up. Regards Trevor


I'm not finding manufacturer detail on this headset, only sales via Amazon, and it's dicey info at that.

So,I'm not certain this headset is compatible.  The only Mitel approved headsets are the Plantronics Polaris models.  These headsets fit into the headset port.  Such headsets require a headset button to be programmed and enabled on the phone to work.  When the phone rings, you will have to press the ringing button, to hang up, you will have to press the cancel button.

Other headset models may work, but require them to be plugged into the handset port and the existing handset will have to be plugged into it's unit.  Such units will require lifting the handset to answer the call and hang it up when completed.  Some such units have an optional lift kit.

I personally use a Plantronics Polaris "in the ear" model.  Plantronics web site has a config guide that will help you select a headset.
http://www.plantronics.com/us/configurator/default.jsp?use=Deskphone

good luck,
Mark

Mar 16, 2011 | Mitel 5220 IP Phone

1 Answer

My s11 does not have a dail tone


Make sure that the S11's AC adapter is plugged in so that it has power. Check the compatibility setting on the left side of the base, the typical setting is number five, however you can try it on other settings to see which works better for you. And then you should get a dial tone when you lift the handset receiver off hook, and then you will have to hang the handset receiver up to end the call.

Good luck from Headsets Direct!

Feb 27, 2011 | Plantronics S11 Headset

1 Answer

Plantronics cs60 cordless headset not working properly with Mitel 5220 ip phone. Cant switch between handset and headset. When you lift the handset sound comes from the headset. The same headset works fine...


I'm sorry for being long on my answer here...
The bad thing here is that the CS60 is not a Mitel approved/supported headset. The only headsets that are approved for Mitel Superset or Mitel IP telephones are the Plantronics Polaris model.

BUT many other headsets do work with Mitel telephones. Since they are not "supported" by Mitel, you should contact the headset manufacturer for configuration guidance. Some have dip switches, or dials that need to be in certain positions to work with certain telephone models. This can be different from one phone to another.

Plantronics web site and their support people should be able to guide you to configuring this headset properly for each model phone.


How is the headset and handset connected? It sounds like the CS60 is connected to the handset port of the phone and the handset is connected to the CS60. When you go off hook with the handset, it sends the signal to the CS60 and depending on the switch on the CS60, it will send the signal to either the handset or the headset.

OR

The CS60 is connected to the handset port and the handset is connected to the headset port. To make the headset port work, you must have the CS60 connected to the headset port and the handset connected to the handset port. Set the phone to Headset mode.

Dec 13, 2010 | Mitel 5220 IP Phone

1 Answer

Everytime i hit the blue button on the desk set i don't hear a dial tone in my head piece


Two things to remember. If you're connected through the handset jack, the handset (receiver) needs to be lifted off the phone to get a dial tone. Secondly, if you're connected through the headset jack, you may need to adjust the configuration dial (round dial on left-hand side of base) to make it work when the headset button on phone is pushed.

Good luck from Headsets Direct!

Aug 24, 2010 | Plantronics Voyager 500A Deskphone Adapter...

3 Answers

My Headset does´nt have dialtone, I was connecting to cisco phone 7941, 7970, 7911, and nothing, not work.


You can use a Plantronics S11 headset with a Cisco phone, however it is not the best compatible solution. To use an S11 with a Cisco phone, you have to make sure that you are plugging it into the handset receiver jack and not the headset jack. You will need to lift the handset receiver, set it off to the side, and then hang it up after each call. If you want a more compatible solution that you can plug into the actual headset jack and just press the headset button on the telephone to answer and hang up, then you would need one of the Plantronics "H-series headsets" with the Plantronics Cisco direct connect cable ( model 26716-01 ).

Plantronics 26716-01 cable

Plantronics H Series Headsets

Good luck from Headsets Direct!

Aug 12, 2010 | Plantronics S11 Headset

1 Answer

Plantronics S11 head set does not work: hooked up properly, but non of the configuration setting yield tone. At one setting, only after the line goes into fast bipping mode (off hook for a long time) I can...


The Plantronics S11 headset system is meant to plug into the handset jack on your phone not the headset jack. Check the connection on the S11 to make sure the handset jack is where it is plugged into at.

Here are a few suggestions from Plantronics if you are not getting a dial tone:

Make sure all cable connections are correct and firmly in place.

Pay special attention that handset cord is properly connected.

Ensure AC power adapter is connected and power is on.
Make sure you have pressed the headset button and the headset indicator is on.

Make sure the telephone handset is off-hook.

Adjust listen volume control.

Adjust the compatibility slide switch.

Ensure that the headset is centered on your ear.

Good luck from Headsets Direct!

Aug 06, 2010 | Plantronics S11 Headset

1 Answer

Plantronics cs50 head set with lifter has STATIC


Try a system reset:
1.  Lift the headset off of the charging cradle, but make sure the headset is turned off.  It will be off if the green light on the front of the base is not lit.  If it's not, push the call answer button once to turn it off.
2.  Push the call answer button and the mute button at the same time and hold them down.  The mute button is the black little wheel at the top of the headset.  Use the tip of your finger to push it straight down and hold it while holding the call answer button.  A green light on the headset will flash for 2 series of flashes.  Wait until the end of the second series then let go of both buttons.
3.  Put the headset back on the charging cradle and wait 30 seconds.  Lift it back up and try to use it.  If this doesn't work, repeat one more time and then disconnect the power from the base and plug it back in.

Apr 24, 2009 | Plantronics CS50 Wireless Headset

1 Answer

Unable to connect jabra t5330 to a cisco ip phone 7941G headset jack


You can solve this by connecting your phone inline.
On the back of the phone where the phone handset plugs into, plug one end of the jabra headset wire & connect other end to the 2nd position (marked by phone & handset). Now plug the handset wire from Ip phone to the 1st position (marked by handset) in the jabra headset. Now you are good to go.

When the phone rings lift the phone handset and answer it with your jabra headset. You can't use jabra with 7941 without lifting the handset on phone.

Oct 28, 2008 | Jabra T5330 Wireless Headset

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