Wejin, It appears a factory reset did the trick. I'll be reseting all the phones this evening and will close this thread if it resolves the issue for the rest of the phones. Thanks for the help! ... View more

I just removed all voicemail boxes from the system and rebooted the UC320... The light is still lit with no voicemail boxes configued on the system. Is this a bug in the firmware? ... View more

Are you refering to the Prefix? Voicemail Prefix: The digit is used to dial a voicemail box. For example, if this digit is 7, and a voicemail box is 201, then you can press 7201 to leave a message in this mailbox. At least one digit must be assigned to this function, to support voicemail access. I have changed that to digit "8". So to check voicemail on the system the users hit the Voicemail button on the phone, enter the voicemail box 150, and the pw. When they dial "8150" voicemail answers as if they are a calling leaving a message. I had them dial "395" and they get a busy tone. ... View more

Thanks for the reply Wenjin, There may have a message and or the MWI light lit just before the upgrade as I did the firmware upgrade after hours. I tried a reinitializing of the voicemail box which didn't change the situation. They are now reporting that two of the three lines are giving shutter tone when they try to dial out. I have confirmed there is no voicemail service on the FXO lines from the carrier. I'm not sure where your seeing "395" as that is not a extension or lead pilot number on this system... There currently are no messages on the system and the MWI light is still lit... ... View more