How to convert Mp3 in ringtone

To convert MP3 music and transfer it as a ringtone to iPhone we can do it with two procedures:

Method 1:
Use iTunes to convert the MP3 song at AAC. For this ubicamos your mouse over the MP3 song and pressing the right button, we are going to convert and choose AAC.

Method 2:
The initial procedure is the same, just change the method of transferring ringtone, can be done via SSH to the folder /Library/Ringtones iPhone

IMPORTANT:
In both cases for the previous versions 1.1.3 requires a patch on the iPhone we will install as follows:

1. Download file meCCA patched this link in rapidshare.
2. We make a backup the our MeCCA original file located in /System/Library/ rameworks/MeCCA.framework/
3. Copy to/System/Library/Frameworks/MeCCA.framework/ from our iPhone the downloaded new file and reboot to activate it.
4. Proceed with any of the methods exposed.