I\'m doing some research on the feasibility of an iPhone application, and can\'t find any indication in Apple\'s documentation that an iPhone app can read the call history o
Seems the only way is to read the log from the iTunes side but now from the phone:
http://arstechnica.com/apple/news/2007/11/iphonelogd-another-solution-for-viewing-your-iphone-call-log.ars