My phone does not ring when DUO calls me

If your cell phone does not ring when you choose the Call Me option on the DUO authentication page then it is most likely that your phone is blocking the DUO phone number.

  • Check your blocked calls list for this number:   703-260-9566


  1. Go to settings and swipe down to get the search box.
  2. Type in Block, chose Call Blocking.
  3. Search for the phone number.
  4. Swipe left on the number, tap Unblock.       


  1.  Open the Phone app.
  2. Go to the app settings by clicking on the 3 dots on the top right. 
  3. Click on blocked numbers
  4. There will be a red minus on the right side of the number to remove the number from the blocked number list. 

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Article ID: 69704
Fri 1/4/19 4:01 PM
Mon 3/22/21 9:40 AM