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 locally installed Cisco Unity Express system. Which two Cisco Unity Express GUI settings should a systems engineer verify, in order to fix the issue?

A.	Check the Network Time & Time Zone settings on the System tab.
B.	Verify that the NTP Server settings are correct on the Configuration tab.
C.	Verify that the Business Hours settings on the System tab match the branch office open hours.
D.	Check that the Holiday settings on the System tab are correctly set for the branch office.
E.	Verify that the correct time schedule is configured for the Closed greeting for the end user's voicemail configuration on the Voice Mail tab.