Features like one-click join, edge-to-edge video, and full screen sharing give you a superior Skype Meetings experience. Skype for Business on Mac is the all new client that provides great communication experiences for Apple users. Disabling Skype’s echo cancellation mode is not as simple but also not that hard. To disable Skype’s auto gain control (AGC) for both Mac (5.6.0.143 and later) and PC versions, simply go into your Preferrences > Audio/Video and deselect the Automatic Microphone Control checkbox. The corporate user must accepted the IM/Invitation and aftet that they can call each other. Ask the consumer user to search for the corporate user, then IM them. You can use Mac Skype for Business with consumer skype.