Your iPhone is useful for all kinds of things, but it turns out that it's also...a phone! Make it a more useful phone with better dialing, answering, and more.
AskToCall
FREE
by deVbug
pop up a confirmation dialog before calling
Bars
by phoenix3200
improve your status bar signal strength meter
CallBar
$3.99
by Elias Limneos
don't let incoming calls interrupt you
CyDialer
$1.74
by Jay Freeman (saurik)
"slide to dial" contacts from your lockscreen
Cyntact
$1.00
show profile pictures in contact lists
Ringer & Tones
$3.98
by Ruediger Rill
customize behavior for calls and notifications