There will be an upcoming maintenance for the ATU Unified Communications System (VoIP) on Friday, September 2nd, starting at 8:00 pm and lasting until 10:00 pm. During this time, there may be a service interruption on the voicemail system and the university’s directory number. This maintenance will allow Network Services to attempt to resolve an issue where callers trying to reach an extension by dialing the university’s director number are unable to get connected.