history calls

Hello, I use Apple's iPhone all the time and I love the software ... but I'm having a problem that I can not overcome and I miss and lose many times because Apple's software can not keep a history of outgoing and incoming calls up to a certain amount ... there are different devices that are Not Apple's and keep for many months the entire call history, and can be seen with I spoke today and also a month ago, I would be very happy as much as I do if you do but the possibility to see call history for a long time back.

Some days I get more than twenty different calls to the device .. but the device starts deleting the calls before ...