Webex - Troubleshooting Guide when Hearing an Echo

Causes of an echo:
Echo is generally caused by the received audio from a participant being picked up by the microphone of that same participant or another device or participant in that same room.

To minimize echo in a conference:

  • Mute all lines in the conference, then unmute only those participants that need to speak.

To identify the source of echo:

  • Mute all participants in the conference.
  • Unmute each participant, one at a time; then talk and listen if any echo from that location.
  • Once the echo source is found, apply the corrective suggestions below.

To correct an echo problem – recommendations apply to any device type:

  • Try lowering the audio output level from your speakers.
  • Try playing the audio from the conference through your headset earphones rather than through desktop speakers. For best results, high-quality headphones with integrated microphones are recommended. Set the audio output at a reasonable level.
  • Try moving your microphone or headset further away from your speakers.
  • Within a room, it is recommended that the microphone/s and speaker/s of one device be used. In that room, mute all other microphone and speaker elements from co-located devices such as laptops that joined that same meeting.
  • If within the room there is a strong background noise either from an audio masking noise generator or from say, a fan, please proceed as follows. For the audio masking noise generator, please reduce its level output. For say a fan, as possible please move the microphone to a more distant location from that noise source.


This is a Cisco product- for more information see https://cisco.com/go/webex




Keywords:webex, meeting, meetings, sound, echo, feedback, reverb, reverberation, audio issues   Doc ID:89584
Owner:Shawn T.Group:Cisco Webex
Created:2019-02-07 14:40 CDTUpdated:2022-03-01 13:41 CDT
Sites:Cisco Webex, DoIT Help Desk
Feedback:  4   4