option to overwrite silent mode when someone is insisting

[bart9h]

When you receive repeated calls from the same number in a short period of time, and you forgot the phone on silent mode, it may be a good idea to let the phone ring for the second or third calls onward (maybe just for selected contacts).

http://www.reddit.com/r/androidapps/comments/1on27v/question_is_there_an_app_that_will_unsilence_my/