Restoring voicemail from lost iTunes back up
Recently I had to bring my phone in for repairs. Prior to doing this I created a back up which I confirmed existed. Upon receiving the phone back I attempted to do a restore but iTunes somehow deleted the restore point. Now I don't need the entire back up back, but I do have some voicemails I want that are stored somewhere on the computer. I was wondering if there is a way to retrieve these voicemails and add them to my phone?
iPhone 4, iOS 5