Call anonymously / suppress call number

[Discostu36]

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How to change "unknown number" option?

Hi everyone, When I make a call with my FP4, it appears that my caller identification is hide (unknown number). Given that I did not had this issue with my previous phone, I assume there is a default mode on the FP4 to hide the caller ID. However, I am not able to find any setting that could change that. I went through the options of the Phone app, but I did not find any “Show your caller ID” option. Do you know where I could change this option ? Thanks for your help ! Thibaud