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We just can't help it. We're know-it-alls about Plantronics headsets. It comes from working in this business for many years, day in and day out. You get the picture. We're headset fanatics and we're happy to share our knowledge of the excrutiating minutiae you can't find anywhere else. Headset enthusiasts of the world unite!

Saturday, April 18, 2009

Tried plugging Plantronics CS55 into Cisco IP phone headset port. Why doesn't it work?




The Cisco IP phones (series 7940, 7941, 7960, 7961) have a dedicated headset port on the back and a headset button right on the front of the phone. If you buy a wireless headset like the CS55 or CS70 WITHOUT also buying the optional HL10 handset lifter, then you will plug the CS55 base into your Cisco phone's dedicated headset port and you must change the configuration setting on the CS55 base tower to number 4. This is the round dial with the slit down the middle which is located on the left side of the CS55 base tower. Turn the dial until the number 4 is directly lined up with the raised plastic ridge to the right of it. When a call comes in, turn on your headset by pressing the button on your earpiece and also press the "Headset" button on your Cisco phone to answer the call. Press the same buttons to end the call. You obviously won't be able to answer or end a call while away from your desk since the Headset button on your Cisco desk phone is acting as your hookswitch.
On the other hand, if you have a wireless headset AND you also have purchased the optional HL10 automatic handset lifter, then you will ignore your phone's headset port and headset button completely. You'll plug your wireless headset into your Cisco phone's handset receiver port and your handset receiver into the other port on the bottom of the wireless headset base tower marked with a symbol of a handset receiver. In this set up you will want the configuration dial on the left side of the base tower to be turned to number 1 so that the 1 is directly lined up with the raised plastic ridge to the right of the dial. When a call comes in you have one-touch call answer/end capability by just pressing the button on your earpiece. No need to press any button on your Cisco phone, so you can answer/end from anywhere in your 300 ft. range.
Here's the link to Founders Telecom for all the Plantronics CS55 and a link to the Plantronics HL10 handset lifter if you need it.

13 comments:

  1. Great tip. Thanks!
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  2. THANK YOU!!! My company just deployed Cisco 7945's and neither Cisco, our Cisco consultants. nor the rep(s) at Plantronics could figure this out.

    Thanks again.
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  3. this worked! Thanks!
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  4. I LOVE YOU! Thank you
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  5. Good info, thank you.
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  6. You made my day quite a bit easier. Thanks!
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  7. Thank you for the tip. Fixed my problem!!!
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  8. Are you still around? I am having trouble with my CS55 - Cisco 7960 combo. I tried all of the steps listed here as well as system reset and re-provisioning, but still not able to get any sound out of the earpiece. Any ideas would be appreciated. Thanks!
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  9. This is the answer to a problem I have had for a year now since we rolled this headset out with a Cisco 7961 ip phone.
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  10. My phone was set up correctly, but still wouldn't automatically lift the handset. Literally, after coming to this site and just reading it it started working.

    Are you a wizard?
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  11. Exactly what I needed to know. Rock.
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  12. how do you get the call notification to work? I have a 7962 ip phone and a cs55 with a handset lifter. on our old system we would hear a beep in the earpiece when there was an incoming call. Now I can't leave earshot of the phone because there is no notification of incoming call on the earpiece.
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