Activate the loudspeaker on a mobile device Updated September 24, 2019 12:20 On mobile: Tap the Speaker icon to put the call on loudspeaker. Was this article helpful? Yes No 42 out of 76 found this helpful Have more questions? Submit a request Related articles Allow Wire microphone access Select microphone/camera Allow access to my camera Why do I see the message: "Your calling relay is not reachable. You may not be connected to some participants." ? Comments 0 comments Please sign in to leave a comment.