Call History Delete on iPhone
Ever wanted to delete calls from your iPhone? Here is a jailbreak utility that lets you do just that. This excellent tweak also lets you delete Facetime calls from any iOS device you own, including iPod Touch and iPad.
How does it work? After its installation from Cydia, click on the ‘edit’ button on top of mobile or facetime app. No icon is made available on the springboard. Simply search for "call delete" on Cydia to get it.
Other jailbreak tweaks for iPhone.