Originally Posted by Motorcycle Mama
The SMS that is created for a Voice Mail alert will not be automatically marked as "read" nor will it be deleted automatically after you listen to the message. You will have to do that manually.
That seems like an odd inconvenience, my 8830 did not have that "feature". You would think that there would be a way to turn off that notification, since the message recorded indicator does the same thing, but at least has the decency to go away after you erase the message.