CompatibilityYealink EHS36 Setup & Troubleshooting (Plus EHS40 Compatibility)
Yealink phones don't use Plantronics or Jabra EHS cables — Yealink makes its own, and picking the wrong one is the to...
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Expert advice, buying guides, and industry insights for business teams
FEATUREDAmplifiers
Jul 15, 2026· 9 min read
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Plantronics S11 & S12 Headset FAQ: Setup, Controls & Upgrade
The Plantronics S11 and S12 were the standard analog headset amplifiers for years. Both are discontinued now, but if you're still running one, here are the answers to the common...
Jul 15, 2026· 9 min read
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Compatibility
AccessoriesHandset Lifters for Wireless Headsets: Poly, Jabra & Sennheiser Setup & FAQ
A handset lifter lets your wireless headset answer desk-phone calls from across the room without touching the phone. ...
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BluetoothHow to Pair a Plantronics Bluetooth Headset With a Phone or Computer
Hold Call until the light flashes red and blue, pick the PLT headset on your phone and enter 0000. Steps for Voyager,...
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BatteryPlantronics CS70 & CS70N Battery: Replace the Earpiece Instead
If your Plantronics CS70, CS70N, or CS530 battery is dying, there's no user-replaceable battery — but repair typicall...
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CompatibilityHow to Connect a Headset to a Cisco IP Phone Without Buying the Wrong Cable
Cisco phones in the same series can have different headset ports. Here is how to find yours, when an EHS cable is nee...
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AccessoriesHow to Subscribe a CS500 Headset to a Plantronics D100 Dongle
Have a D100 dongle in a drawer and a CS500-series headset on your desk? You can pair them, so the headset connects to...
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CompatibilityCarbon Phone Compatibility With Plantronics CS500 Headsets
Unexplained static or fluctuating volume on your CS500 headset? If your office runs an older "carbon" phone system, t...
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CompatibilityESI Phone Headset Button Programming Guide
Plugged a headset into your ESI phone and got silence? It's not broken — ESI phones need a headset key programmed bef...
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AmplifiersJabra Pro 9460/9470 Microphone Volume: Finding the Hidden Setting
The touch-area volume control on your Jabra Pro 9460 or 9470 doesn't adjust microphone volume — that setting is hidde...
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AccessoriesZoomSwitch & EHS Cable Compatibility: What You Need to Know
A ZoomSwitch lets one headset toggle between a desk phone and computer — but most EHS cables aren't compatible with i...
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CompatibilityHow to Program a Mitel Headset Button for a Corded Headset
Your Mitel phone has no headset key active until you assign one. Here are the feature codes that do it, and when the ...
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