The vendor provides a third party visual voicemail app that is not native to any BlackBerry handset and one must sign up for the service and download it on the phone. Now, RIM and RIM alone is the party being sued for the patent infringement which is said to have taken place on some of the newer 'Berry handsets. The lawsuit deals with RIM's visual voicemail patents. And yet, here is a major corporation, once a darling of Wall Street, trying to move the blame to a small company that could probably fit in one of the restroom's in RIM's headquarters. More on this as it evolves.