I have an Octel 250 with a Definity G3. Someimes, after a user listens to his voicemail messages, his voicemail light remains lit. If I clear amw all [ext number], the light goes out; but, a new voicemail message doesn't re-light the light. I have re-booted the system and the problem goes away - but it comes back in a week or so. Any clues?