Disable RTT on Nokia 3.1A

I only have two options - Only Visible or Visible during calls. This is causing issues. I just got this phone.

Disable RTT on Nokia 3.1A

Scamp Scamp
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I only have two options - Only Visible or Visible during calls. This is causing issues. I just got this phone. I have been talking to Nokia for a week, and all there suggestions do not work. Anyone able to turn this off?

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