SERVICE SUPPORT
DISN Global Support Center
DSN: (510) 376-3222 or (312) 850-4790
CML: (800) 554-3476 or (614) 692-4790
DGSC@CSD.DISA.MIL
DGSC@COLS.CSD.DISA.SMIL.MIL
The Messaging Services portfolio provides organizational and assured messaging services to users including military services, DoD agencies, Combatant Commanders (COCOMs), non-DoD U.S. government activities and the Intelligence Community (IC).
The Messaging Services portfolio consists of the Organizational Messaging Service (formerly known as DMS).