(1) A 9-1-1 system implemented pursuant to this act shall be designed to meet the individual circumstances of each county and the public agencies participating in the 9-1-1 system, and shall be within the service limitations of service suppliers providing the 9-1-1 service in the 9-1-1 system. System designs shall include provision for expansion of the system to include capabilities not required in initial implementation, including the addition of PSAPs and secondary PSAPs.
  (2) Every 9-1-1 system shall be designed so that a 9-1-1 call is processed by means of either the direct dispatch method, the relay method, or the transfer method. At least 2 of the specified methods shall be available for use by the PSAP receiving the call. The PSAP may handle nonemergency calls by referring the caller to another number.

Terms Used In Michigan Laws 484.1204

  • Direct dispatch method: means that the agency receiving the 9-1-1 call at the public safety answering point decides on the proper action to be taken and dispatches the appropriate available public safety service unit located closest to the request for public safety service. See Michigan Laws 484.1102
  • Relay method: means that a PSAP notes pertinent information and relays it by a communication service to the appropriate public safety agency or other provider of emergency services that has an available emergency service unit located closest to the request for emergency service for dispatch of an emergency service unit. See Michigan Laws 484.1102
  • Transfer method: means that a PSAP transfers the 9-1-1 call directly to the appropriate public safety agency or other provider of emergency service that has an available emergency service unit located closest to the request for emergency service for dispatch of an emergency service unit. See Michigan Laws 484.1102