Can't call out on note 9

[Android Central Question]

How can I fix mmi my phone won't allow me to call out. Error mmi sequence. Thank you

 

[B. Diddy]

Welcome to Android Central! Have you asked your carrier about this?

 

[mustang7757]

How can I fix mmi my phone won't allow me to call out. Error mmi sequence. Thank you

The only ones that can help you with the MMI is your carrier.