This training video, we’re going to show you how to switch between your desk phone and headset in Skype for Business.
Switching between desk phone and headset
To choose the device to use for a call, choose the icon in the bottom left corner of the Skype for Business screen, then choose either headset or handset.
To switch while in a call, from within Skype for Business, select the devices button
Then choose the device you want to use for audio.