As many organizations around the world are adopting Microsoft Teams as their enterprise communication and collaboration platform, the demand of IP desktop phones continues to be strong as companies replace their aging PBX phones in place of newer Teams certified IP Phones. Teams calling plans are now available in more countries and Direct Routing can be used virtually anywhere with a certified SBC. To ensure the best possible call quality when deploying Teams Phone system, QoS can be implemented so that the network is optimized for audio and/or video calling. Microsoft provides detailed documentation on how to implement QoS in teams and in this blogpost, we look at how it works with Teams certified IP Phones such as the Poly CCX family shown on the left. Click here for the complete list of devices.