After you select 'beep' or 'silent' profile, the program will ask you how long you want this setting to last (max.12 hours). When this set time has passed, your regular ringing profile will be restored. You can also set the restored ringing volume in advance.

Very handy for people who often need to silence the ringer for a while, for example for the duration of a meeting, a movie or a short nap.

The application auto-cancels in 15 seconds unless interacted with.

Thanks to Ziller for the application idea, testing, and improvement suggestions. Also thanks to javispedro for his icon generator (just don't held him responsible for the end result, but I had to have some sort of a meegon in one of my apps).

Newest version available from OpenRepos:
https://openrepos.net/content/ajalkane/ringingrestorer

Legacy versions:
I've made this application a 1€ purchase from Nokia Store as an experiment (freed 2012 years after Jesus's birth, just before the end of the world, which seems to be late):

http://store.ovi.com/content/241422

One caveat: if you change the profile from the lock screen with volume buttons, then the application will open behind the lock screen. So you can either either let it auto-cancel or swipe the lock-screen away to set the timeout to restore ringing profile.