AmplifiersPlantronics 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 ...
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Expert advice, buying guides, and industry insights for business teams
FEATUREDCompatibility
Jul 15, 2026· 10 min read
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EHS Hookswitch Cables: Complete Compatibility Guide
EHS lets your wireless headset answer calls remotely, with no moving parts — but only if your phone supports it, and only with the exact cable for your model, headset generation...
Jul 15, 2026· 10 min read
Latest Articles
Amplifiers
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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CompatibilityCisco IP Phone EHS: Configuration & Troubleshooting
Got the right EHS cable for your Cisco phone, but remote answering still isn't working? The cable is only half of it ...
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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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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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AmplifiersAvaya-Branded Nortel Norstar T7316E: Fixing Low Headset Volume
If your Nortel Norstar T7316E was rebranded under the Avaya logo and your headset suddenly sounds too quiet to caller...
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BatteryPlantronics & Poly Wireless Headset Beeping: What Every Beep Means
Your Poly headset is beeping in a code no one hands you a key for. One beep, two beeps, three rapid — here's what eac...
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CS540Plantronics CS540 Wireless Headset: Unboxing, Setup & Troubleshooting
The Plantronics CS540 ships with both wearing-style kits in the box, and most issues people run into — echo, static, ...
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CompatibilityHow to Set Up an NEC Phone for a Headset (Program the Headset Key)
Plugged a headset into your NEC phone and heard nothing? It's not broken. NEC phones have a headset port but no activ...
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Computer HeadsetsHeadset Software for Windows & Mac: Which App Do You Need?
Every headset brand has its own app, the names change constantly, and half the download pages point at apps retired y...
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