Tap the Mute icon ( ) to mute or unmute yourself.
Tap the More icon ( ), and select Hold to put the call on hold. Then, tap More ( ) and select Resume to resume the call.
Tap the More icon ( ), and select Call me back to have the meeting call you back.
Tap the Dialpad icon ( ) to use the dial pad.
Tap the Speaker icon ( ) to turn the speaker phone on or off.
Tap the IM icon ( ) to view or send an IM to people in the meeting, and then tap the Phone icon ( ) to go back to the conversation screen.
Tap the Add icon ( ) to invite another person or group to the meeting.
Tap the red End icon ( ) to end the conversation.
Tap Rejoin ( ) at bottom of the screen to rejoin the meeting or conversation after having left or been disconnected.
Tap the video image to switch from the front or back camera.
Add participants to join the meeting.
Select Switch to audio only.
Switch Audio Source to either Speaker or Earpiece.
Tap the Video icon ( ) to stop the video camera.
Remember when you join an audio or video meeting on Skype for Business for Android, you won't be able to see shared meeting content.