The MobileLog 4.0 Call Manager complements the iPhone standard application to manage incoming and outgoing calls. Practical design and user friendly interface make this application extremely popular among iPhone users. This component is of particular benefit not only to those who use the iPhone both for business and private purposes and maintain a large number of contacts, but also to regular users.
Easy Install: Add http://theiphonespotrepo.net/apt to your cydia sources and install via iphonespot apps section.
Deb for Manual Install: http://www.mirrorcreator.com/files/Z1EYZ6OW/
Updated for iOS 4.0.