Not all countries allow Caller ID to be disabled, and even in countries that allow it, it can't be deactivated on calls to emergency numbers such as 911.
Ọ bụghị mba niile ekwe ka onye nwe oku nwee nkwarụ, ọbụnakwa na mba ndị na-ekwe ka ọ bụrụ, Caller ID nwere ike ọ gaghị akwụsị ọrụ na oku na nọmba mberede dịka 911.