Yes you do, as far as I know so far about OVI suite, I could not locate any type of option for automatic refresh, except when your device is first connected, or when a text message is sent, and at that, it may not refresh every single message, mising a few here and there.
The messaging built in to OVI Suite has a really nice interface (threaded style) but 2 major problems I see with it is the inability to automatically refresh when a new text message is received, and OVI suite does not mark the messages in the phone as read, the new messages indicator will stay on the home screen of the phone, even if the message has already been read in OVI Suite.
Why on earth does Nokia overlook these important items? OVI is pretty cool in my opinion, but is kind of clunky....maybe with time they'll get these issues ironed out.
The phone I am using on OVI Suite is a N79 NAM.
Kind of reminds me of Nokia Conversations app for the phone, ugh :disappoin, terrible execution! I got free isms and it is way better. (but I'm getting off the topic here)