Crescent Tweak Lets You Enable and Disable 'Do Not Disturb' via Siri [Video]
Crescent, a tweak to enable and disable Do Not Disturb via Siri, has been released in Cydia.
The tweak was created by Evan Coleman and Joshua Tucker and is available from the Big Boss Cydia Repository for free. If you haven't jailbroken your device you can find instructions on how to do so here.
Take a look at a demo below...