An external caller to your company's branch office hears an announcement that the branch office is closed, even though the call occurs during open hours. The user's voicemail is configured on a…

If the Network Time and Time Zone settings on the CUE System tab are incorrect, the system's internal clock will reflect the wrong local time, causing it to evaluate business hours incorrectly and play the closed greeting during actual open hours.

The NTP Server is typically found under the System or Administration tab in CUE, but verifying the NTP source alone does not address the time zone offset, which is the more likely cause of a closed-hours mismatch.

The Business Hours settings on the System tab define when the office is considered open - if these windows do not match the branch's actual operating hours, the auto-attendant will trigger the closed greeting even when staff are present.

Holiday settings would only cause a closed greeting on specifically configured holiday dates, not consistently during normal open hours.

Verifying the time schedule on the end user's mailbox closed greeting is a subscriber-level setting and would not affect the branch-wide auto-attendant announcement heard by all external callers.