The physical "Call", "Hang Up", and "Skype launch" buttons on the face of the C100s will likely not work with modern applications like Microsoft Teams, Zoom, or Google Meet. You will need to click on your screen to mute, unmute, or end calls.
If Windows fails to read the device or you explicitly want to attempt loading the original button-mapping tools, you must force the old installer to run. POLYCOM CX100S AND WIN 10 - HP Support Community
: The most common solution is to install the Windows 7 driver and then set the Polycom C100S Manager application to run in compatibility mode for Windows 7. Right-click the desktop icon > Properties Compatibility tab > Check "Run this program in compatibility mode for:" and select Plug-and-Play (Audio Only)
Follow these structured methods to deploy the speakerphone. We recommend starting with Method 1 as it requires no software downloads. Method 1: The Plug-and-Play (Generic Driver) Route
Open the application you want to use for calls (Microsoft Teams, Zoom, Skype, Google Meet, etc.). Go into the application's Audio Settings or Device Settings and ensure that the "Microphone" and "Speaker" are both manually set to the "Polycom Communicator C100S." Do not leave them on "Default" to guarantee the correct device is used. Polycom Communicator C100s Windows 10 Driver
If the plug-and-play method fails to activate the microphone, or if you specifically want to try and get the physical volume and mute buttons working, you can force-install the last known official driver using Windows 10 Compatibility Mode. Step-by-Step Legacy Installation:
Windows 10 features an extensive library of class-compliant USB audio drivers. It can recognize the hardware natively for audio input and output. the Polycom C100s from your PC.
: The original Polycom Communicator software package (v3.0.0.29) contains an installation setup file ( .inf ) that throws errors on modern 64-bit systems because its service architecture is obsolete.
There are several ways to find the Polycom Communicator C100s Windows 10 driver: The physical "Call", "Hang Up", and "Skype launch"
If you attempt the generic driver method and still have problems, here are troubleshooting steps.
If you encounter issues during installation or configuration, try the following:
Follow these steps to use your Polycom C100S as a standard USB speaker and microphone in Windows 10.
Compatibility notes with modern apps
If prompted by communication software (like Skype), you must click "Allow Access" to grant the hardware permission to interface with the application's API.
your Windows 10 computer to clear out failed driver queues.
Polycom Communicator C100S does not have official driver support for Windows 10
If the device appears with a yellow exclamation mark: POLYCOM CX100S AND WIN 10 - HP Support