Don't Disturb Me Free -DDMf

DDMf can help you when you don't want some incoming calls to disturb you.

DDMf is an free application which allows you to turn of the ringer of your Android phone for particular incoming numbers and (if you want) in particular days and/or times.When you define and apply your settings, DDM checks each incoming call and if it finds a matching entry,turns off the ringer of the phone.