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VoIP - Invalid address, username or password on VoIP phone

VoIP phone displays the invalid address, username or password

When campus password is changed Better Together over Ethernet (BToE) client which is the application that establishes the link between VoIP phone and computer (Skype for Business) expires.  

Bad password

To re-establish the connection or link with the new password follow the directions below:

Re-authenticate/Connect Skype for Business to desk phone after a password change:

On VoIP phone: Do not sign into phone directly

  1. On phone display press the "Ok" and/or "Cancel" softkey buttons (These are the buttons directly below the display screen messages)

On Computer:

  1. Verify the Better Together over Ethernet (BToE) client is running in the system tray - Refer to: How to verify and launch the BToE client
  2. Make sure BToE client is paired  - Refer to: How to check if phone is paired
  3. If Skype for Business is not running, go to Start menu and search for and launch Skype for Business
  4. A login prompt for credentials from Skype for Business should pop-up
  5. Put in new password


  6. Skype for Business will login  to servers if correct password is entered.
  7. If you do not see login prompt or new password does not work please call the help desk for further assistance (If you would like to see other troubleshooting step refer to bottom of the article)

On VoIP phone:

  1. The display on phone will contact the Lync server and will the display will show a brief message that "Better Together is Activated"

     BToE Activated   

    Hint:  If you missed the message, you can verify connection by finding the infinity sign on phone display



If you are not seeing prompt for login information
     a. Go to the Gear icon and click the drop down menu arrow
     b. Click on File menu
     c. Click on
Sign Out

Skype Sign Out

     d. Wait 5 seconds and then click the Sign In button on Skype for Business
Sign In

     f. You may have to Sign in and Sign out several times to get the login prompt for new password

Still no login prompt from Skype

  1. Power down phone
    A.  Pull power cord and/or ethernet from phone for 10 seconds and then repower  (Some phone are powered through ethernet cable)

    Voip Connections
  2. Reboot computer 

See Also:

Keywords:password, voip, change password, Invalid, phone broken, changed password, busy, no ringtone,offline   Doc ID:61757
Owner:Don L.Group:UW Stout
Created:2016-03-08 18:08 CDTUpdated:2017-03-17 13:21 CDT
Sites:UW Stout
Feedback:  1   0