How can I disable Silence Unknown Callers? Follow To disable Silence Unknown Callers: In the Settings app, navigate to: Phone > Silence Unknown Callers Disable Silence Unknown Callers. Related articles I disabled Nomorobo Max, but calls are still being silenced Can Nomorobo Landline block private or unknown callers? How can I deactivate Nomorobo on my landline? How to Pause Nomorobo Max Call Screening on my iPhone How to Toggle SMS Filter & SMS Spam Reporting on iPhone