This standard addresses the minimum training requirements, in general, necessary to foster levels of consistency for all personnel in an emergency communications environment assigned to answering TTY/TDD calls for service specifically in the public safety environment. This standard responds to the valid needs of the rapidly expanding and ever-changing industry, providing competent training standards while defining training in certain knowledge, skills, and abilities, and recognizing the need to supplement basic competencies with agency-specific information and existing equipment-use parameters.