How to programatically hide Caller ID on Android

Question

on Android phones, under Call -> Additional settings -> Caller ID

it is possible to hide your caller ID. I want to do that programatically from my code, but was not

Answer 1

I'm not sure if this is a global feature, but Australian phones can hide their number by prefixing the caller's number with #31# or 1831. This may not be the perfect solution, but a prefix like this could possibly work for your requirements during coding.