Top 20 Plantronics CS55 Wireless Headset Questions & Answers

Paul, check for being plugged with debris, if not plugged, faulty repair or replace.

Try changing the battery in the headset.

The connection no good .

Office was wired that way i have one tried several ways to use it without the lifter did't work had to buy a lifter the next problem is the phone not all will work Cisco uniden will work good

Hi tracy Kindly check the speakers, if it is good then probably the bad is your amplifier.

They're not listening...

On your base there are the numbers 1-4. Put the # 1 in the 3 O'Clock position like a clock. Try putting the letters that are in the bottom on B.

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Lowering the ring volume on the phone only decreases the sensitivity of the lifter, which generates the signal to the headset. The signal volume between the two is preset and cannot be adjusted.

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The first thing to try is resetting the CS55. We hear this a lot and once reset, it usually takes care of the problem. It's equal to a ctrl+alt+del on a computer. Click on the following for detailed instructions and photos:

How to Reset your Plantronics CS55 Wireless Headset

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Hello, you can download the manual here: http://www.plantronics.com/us/media/media-resources/literature/user_guides/73156-01_CS55_US_DL.pdf?WT.dl=20 It says that a flashing amber light means charging, a solid amber light means charged, a solid red light means power, a solid green light means talking, and a blinking green light means muted.

If you click on the following page:

Plantronics CS55 Wireless Headset

Towards the bottom of the page, click on the tab labeled ADDITIONAL INFORMATION. Within that section, you will see PLANTRONICS CS50/CS55 INTERACTIVE USERS GUIDE to click on. This will help you visually see how to setup and start using your CS55.

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You will need the Plantronics HL10 handset lifter in order to have the CS55 ring, indicating an incoming call. The HL10 also allows you to answer remotely on most phones and hang-up remotely.

Plantronics HL10 Handset Lifter

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We're had customers call with similar issues. First, make sure your compatibility dial is set properly (located on the side of the base). If set incorrectly, it will make your headset inoperable. If that doesn't fix your issue, try disconnecting and reconnecting the battery and then perform a subscription. Both steps can be found below:

How to Replace your Plantronics CS55 Battery
How to Subscribe your Plantronics CS55 Headset

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try doing a system reset press the call control button and the volume mute button at the same time for 5 seconds. when the talk indicator light blinks release both buttons. press the call control button again and the talk indicator light will blink again briefly headset is back to normal then unplug the charger from the charging jack for 5 seconds and plug back in headset is reset. if that doesnt work then replace the battery in headset.

Hi there,
what program are you using to speak to them Skype, Yahoo Messenger, etc.?
What operating system are you running, you also have to make sure that the microphone is set up.

Hi! Yes, wireless devices can cause interference on other wireless devices. The devices are normally defaulted to channel 6 (as are wireless routers). If you have the ability to change channels on these devices, change the channels to 1 or 11. also if you have the transceivers too close to the phones themselves, this can also cause interference and that echo you are hearing. Good luck.

Reduce speaking volume by changing the speaking volume
major adjust switch setting. See page 15 in the User's Guide (link below).
• Point microphone towards your chin.
• Listening volume too high on phone. If your phone has a handset
volume control, lower this until the distortion disappears.
• If the distortion is still present, lower the listening volume adjust
button on the headset. If the distortion persists, select another
listening volume major adjust switch setting. See page 14 in User's Guide.
• Base is too close to computer or phone. See page 9 in User's Guide for
proper positioning.

For further help, this is the link for the Plantronics Wireless Headset User's Guide.

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I dont owe one.