At about 10 a.m. on Wednesday, Oct. 21, Duke will conduct a test of the various communication tools of the DukeALERT notification system. The notification methods used in the DukeALERT system include emergency email, an emergency website, a telephone recording, the outdoor warning system and text messaging. No internal alarms will sound, but external alarms will. For mor information, see: http://www.oit.duke.edu/vvw/mobile/dukealert.php.