You can change your audio connection during a meeting, webinar, or event, regardless of how you originally joined. If you have to step away from a meeting on your computer, you can switch the audio to call your mobile phone.
Click , then click Switch audio. Select the option that you want to use.
Depending on your meeting, webinar, or event type, you may not see every option.
Tap More options > Change audio connection.
Tap the audio option that you want to use: