Content Deaf, hearing or speech impaired:Telecommunications Relay Services For The Deaf 9-1-1 and Emergency Services911 and you factsHow VOIP really worksMichigan State Police-Emergency Telephone Service CommitteeOakland County 911 Oakland County Homeland SecurityCity of Southfield Fire DepartmentCity of Southfield Emergency ManagementCity of Southfield Department of Public Works Human ServicesCity of Southfield Human Services DepartmentMichigan Mental health Network