AudioCodes 430HD - Figure 7-28: Primary Device: Headset; Figure 7-29: Primary Device: Speaker

430HD and 440HD IP Phone
User's Manual 114 Document #: LTRT-11938
Figure 7-28: Primary Device: Headset
Figure 7-29: Primary Device: Speaker
 To switch primary device:

In a Skype for Business call, click the Call Control icon and select Devices.