While shopping around for products on our site, you’ve likely noticed that there are several versions of the same headset. Plantronics S8220UC or S8220-M? Jabra Evolve 75 MS or UC? UC vs M? Which is right for you?
Let’s get into it.
UC vs M: What’s the difference?

UC stands for Unified Communications
This is an umbrella term that covers the integration of multiple communication tools, such as messaging, voice calling, and video conferencing. These devices work on many platforms, including softphones, VOIP, and messaging apps, with plug-and-play simplicity. Communication applications can automatically connect to these devices, making their use simple and pain-free for users and IT teams alike. If you need a solution for Zoom or Cisco WebEx, look no further.
It’s important to note that UC devices will ALSO work for Teams, but may not have the extra functionality and preprogrammed call control capabilities of M or MS certified headsets.
M (or MS) stands for Microsoft Teams Certified
Microsoft Teams Certified devices have the ability to answer and end Teams calls/meetings without being in the Teams app, creating an easy gateway for team collaboration. This functionality is backed up by programming that is Microsoft-specific within the device, and allows the device to control functions within Teams without any extra settings needed. It also allows the headset to signal the Teams app when the user is in a meeting, or has missed a call. These devices also meet Microsoft Teams Open Office premium microphone specifications, allowing the best sound quality to be used in your meetings. They often have a dedicated button with the Teams symbol on it that connects directly to a Teams call/meeting when they come through, making joining and ending meetings or calls a breeze.
So how do you choose?
This question has a few steps to narrow down what would work for your needs.
- Does your organization use Teams primarily, or another type of softphone?
- Does your IT team have a standard list of features or brands that they use for headsets? They may prefer some manufacturers over others.
- Do you need multiple functionalities, such as desk phone and PC capabilities, or mobile device connectivity? If you need to be able to switch lines on the fly, you’ll need to take the device’s capabilities into account as well.
- Is there a security standard that needs to be met? Do you work with HIPAA regulations or need a higher security level for your communications? If so, you may need a higher standard of security for your devices, such as DECT.
- Does your organization allow Bluetooth use? As Bluetooth channels can be susceptible to cyber threats, many organizations choose not to allow Bluetooth devices to connect to their hardware.
- Do you have a wearing style you prefer? Your comfort is only as good as the wearing style choices you make.