Assistive Technology and Accessibility Training at DISID June 11, 2019 By Guam CEDDERS June 10, 2019: GSAT Center Coordinator Leah Abelon conducted training on the usage of a TDD/TTY, a telecommunication device for the Deaf, and creating accessible documents. Training participants included staff from the Guam Department of Integrated Services for Individuals with Disabilities (DISID) Division of Vocational Rehabilitation and Division of Social Services.