To observe these directions it is important to have a jailbroken iPhone.
Press to launch Cydia from your iPhone Springboard.
Press to select Sections from the tabs at the bottom of the Cydia application.
Press to select Multimedia from the list of sections.
Press to select RandomRing from the list of packages
Press the Install button at the top right of your screen.
Press the Confirm button to begin installation.
Once installation has completed successfully press the large Return to Cydia button.
Launch iTunes on your computer
Rename the ringtone as RandomRing and click on the OK button.
Join your iPhone to the pc, choose it from the listing of units on the left, and click on the Sync button to synchronize your software.
Press to choose Settings out of your iPhone Springboard
Press to choose Sounds from the Settings Menu
Press to choose Ringtone from the Sounds Menu.
Make a selection RandomRing from the record of ringtones.
Now each time anyone calls you a Random Ringtone might be performed!