Headsets
USB & Bluetooth UC Headsets (Yealink UH34/BH72/BH76, Grandstream GUV Series)
Getting wired USB and Bluetooth office headsets working with your computer, softphone, Teams, and Zoom: connecting and pairing, what the Teams button actually does, and fixing the classic 'they can't hear me' microphone problems.
Setup steps
- 1Wired USB headsets (Yealink UH34, Grandstream GUV3005/3025): plug into a USB port on the computer — they're recognized as a sound device automatically, no driver installs needed.
- 2Bluetooth headsets with a USB dongle (Yealink BH72/BH76 with BT51 dongle, Grandstream GUV3050): plug the dongle into the computer. Headset and dongle come pre-paired from the factory — power the headset on and it connects to the dongle by itself.
- 3Set the headset as your computer's audio device: in Windows, Settings > System > Sound — choose the headset for both Output (speaker) and Input (microphone). On a Mac: System Settings > Sound.
- 4Also set it inside your calling apps — Teams, Zoom, and softphones each have their own device pickers in their audio settings. The app setting overrides Windows, and this mismatch is the #1 headset complaint.
- 5Make a test call (Teams and Zoom both have built-in test-call features) to confirm both directions of audio before the important meeting.
- 6About the Teams button: 'Teams edition' headsets have a dedicated button that wakes Microsoft Teams and, in the Teams-certified setup, answers/joins Teams calls. On a 'UC edition' headset that button behaves as a generic call control. Both editions work fine for calls in either app — the edition changes button behavior, not audio.
- 7If a Bluetooth headset needs re-pairing to its dongle (after a swap or mix-up): install the maker's desktop app — Yealink USB Connect for Yealink headsets — put the headset in pairing mode (on BH7x, hold the power key about 5 seconds until the light flashes), then use the app's pairing management for the dongle to select and pair the headset.
- 8You can also pair Bluetooth headsets directly to a phone or computer's built-in Bluetooth for mobile use — the dongle just gives more reliable audio and full button function on the PC.
- 9Install the manufacturer's desktop app (Yealink USB Connect; Grandstream's GUV-series app) if you want firmware updates, button customization, and mic sensitivity settings — optional but useful for firmware fixes.
- 10For deskphone use: many Yealink and Grandstream desk phones accept USB headsets directly in their USB port — plug in, and the phone offers a headset mode.
Troubleshooting
People on calls can't hear me at all+
Nine times out of ten the app is using the wrong microphone. Check the mic picker inside Teams/Zoom/your softphone — laptop mic and headset mic look similar in the list. Then check you're not muted in two places: headsets have their own mute (button or flip-up boom arm) and the app has another. The headset's mute light or voice prompt tells you its state.
I hear callers fine, but my voice sounds distant or picks up the whole room+
The app is hearing you through the laptop's built-in mic instead of the headset boom — classic symptom. Set the input device to the headset in the app's audio settings. Also position the boom properly: about two finger-widths from the corner of your mouth, not under your chin.
Bluetooth headset won't connect / shows no dongle connection+
Power the headset fully on and plug the dongle into a USB port directly on the computer (not an unpowered hub). If they've lost their pairing, re-pair: put the headset in pairing mode (hold power ~5 seconds until the light flashes), then use the manufacturer's desktop app to pair it with the dongle. Charge the headset first — low battery causes ghost connection issues.
The Teams button does nothing+
The dedicated Teams button needs three things: a Teams-edition headset, the dongle plugged in (for wireless models), and the Teams desktop app running and signed in. It won't control Teams in a web browser. If you're a Zoom shop, this button will never do much — that's expected, not broken.
Audio crackles, drops, or the headset disconnects randomly+
For wireless: check battery, move the dongle to a front/direct USB port, and reduce the distance and obstacles to the computer — a dongle on the far side of a metal desk dock is a common culprit. For wired: try another USB port and inspect the cable near the plug. If it persists, update headset firmware via the manufacturer's desktop app.
Headset works for music but not for calls (or vice versa)+
Windows treats headsets as two devices: a high-quality playback device and a 'hands-free' calling device with mic. Your call app must use the hands-free/headset device and your music can use either. In the app's audio settings, pick the entry that includes the headset microphone. If a recent Windows update scrambled the defaults, re-select the headset in Settings > Sound.
Pro tips
- Standardize on one headset model per team — troubleshooting five brands of Bluetooth is nobody's best day, and spares become interchangeable.
- Buy the edition that matches your platform: Teams edition for Teams shops, UC edition for everyone else. Audio is identical; the button behavior differs.
- Wireless headsets die at 4:55 PM — dock or plug them in overnight, and keep one wired UH34 in the drawer as the meeting-day spare.
- Before replacing a 'broken' headset, test it on another computer — the fault is usually the PC's settings, and headsets get discarded over a wrong dropdown selection.
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