OBi100/110能测出有没有新的VoiceMail在你GV account.
如老是显示有VoiceMail,而GV VoiceMail有没东西,那可能是Missed Calls跑到你GV's Inbox了。你可以不让Missed Call跑到Inbox.
Under Settings/Calls/Missed Calls, uncheck "Place missed calls in the inbox"
http://www.obitalk.com/forum/index.php?Elgg=99g39j6b4o9o3hfk5jugnnpsq3&topic=466.0
http://www.obitalk.com/forum/index.php?topic=1468.0