[[File:BBB selection of microphone option.png|center|thumb]]'''Ans :''' You are logged in using ‘listen-only’ mode, so cannot mute microphone. Only if you select the Microphone option at the time of logging in, you will get the Mike icon and hence the option to mute/unmute the microphone. | [[File:BBB selection of microphone option.png|center|thumb]]'''Ans :''' You are logged in using ‘listen-only’ mode, so cannot mute microphone. Only if you select the Microphone option at the time of logging in, you will get the Mike icon and hence the option to mute/unmute the microphone. |