If you are joining by browser for a meeting (No WebEx App/Extension):
Please click the "Phone" icon and choose how you would like to join the audio of the meeting. You can choose "Use computer for audio" and then press "Connect" (Recommended), "Call In" , or have Cisco WebEx "call you" for phone audio. Phone audio is only recommended if you do not have a computer with speakers to view the meeting.
A guide on how to join a WebEx Event can be found here. Please review prior to the meeting to confirm your ability to join the meeting. Phone audio information is also available for all meetings.