How to Mute a Call on ATT Conference Calls

Written by greyson ferguson
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How to Mute a Call on ATT Conference Calls
Muting a conference call (woman talking on cell phone / mobile phone image by Katrina Miller from

If you are performing a conference call using AT&T and are talking to different individuals over the phone, you may at times want to talk to someone not on the phone or say something about the conversation you don't want the people partaking in the conference call to hear. There is an easy solution for this--you can simply mute your line on the call. This blocks out all transmission from your line to the other lines.

Skill level:


  1. 1

    Press the "Mute" button on your phone. The mute button varies in its exact location on different phones, however all modern telephones do have this button somewhere. For some specific AT&T phones, you must press the "*" button followed by "6" to mute an individual line. Press "##" if you want to mute all lines.

  2. 2

    Look for a red light to appear on the phone. This typically means the mute is active. You may want to say something into the call to see if the other individuals on the conference call can here you. Mute buttons have been known to fail occasionally, or you may not have pressed the button hard enough, so you'll want to make sure it is active.

  3. 3

    Press the "Mute" button again to unmute the call. The red light blinks off once the call has left the mute mode. You can again talk into the phone and the individuals on the other end of the line will be able to hear you. For some AT&T phones press "*" then "7" to unmute the single line, or "99" to unmute all lines.

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