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Trouble using Plantronics CS540 headset with N594 phone...are these compatible

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Check what protocol the devices use and accept. There are about 10 protocols from 1.0 to 4.2 sometimes they are not comatible at all.
Learn more here:

Bluetooth Wikipedia the free encyclopedia

Posted on Apr 01, 2015


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I want to buy Plantronics CS-540 online. Recommend a credible website.

Well buying Plantronics CS540 is an excellent choice. You can find various websites online which are offering Plantronics headsets online. I do not know your geographic location but if you are in US then I would suggest that you should check HeadsetZone, as they usually offer headsets at the most affordable price.

Plantronics CS540
Plantronics CS540

Apr 26, 2017 | Plantronics Radio Communications

1 Answer

My headset will not charge fully and after a couple of hours needs re charging light does not flash for long

If it's old then the battery has probably worn out and no longer holds much charge. See if it can be replaced.

Dec 29, 2014 | Plantronics Cs540 Wireless Headset

1 Answer

How can answer the calls away from the desk if I need to push the answer botton on the phone?

The little silver button on the side of the headset is how you answer calls when using the headset, when you get a call just press the button, this is also how you hang up

Oct 07, 2014 | Plantronics CS540 with HL10 Wireless...

1 Answer

Headset troubleshooting

I can hear the caller but they can not hear me...what is the solution?

Jul 15, 2014 | Plantronics Cs540 Wireless Headset

1 Answer

Cs540 caller hears echo

Hello, if they are hearing echo, you are speaking too loud. Or have the receiver too close and talking too loud. Or the person on the other end of the line has phone line problems.

May 16, 2014 | Plantronics CS50 Wireless Headset

1 Answer

Headset won't charge

This is going to be the charger or the battery. I am going to bet that that charger went bad it this is not that old.

Nov 15, 2013 | Plantronics Cs540 Wireless Headset

1 Answer

Is the plantronics 330 compatible w/ new Mytouch 4G T-Mobile?

If your phone has bluetooth capability, it is compatible, however the 330 does not have A2DP for music streaming, which you might want in a new cell phone. A Plantronics M1100 is similar to that style of headset, you might want to look at the link below.

Plantronics M1100 Bluetooth Headset

Good luck from Headsets Direct!

Mar 20, 2011 | Plantronics Explorer 330 Headset

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

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