The present invention provides a method of operating a telematics device within a mobile vehicle communication system. The method includes receiving a request to initiate communication and identifying a request type based on the received request. The method further includes associating the identified request type with at least one service type within a service type table, wherein the service type table maps one or more request types to a corresponding service type within the service type table. The method additionally includes determining a service type number based on the corresponding service type. The method may further include providing the determined service type number and out-pulsing the provided service type number. The method may additionally include determining the identified request type does not map to the corresponding service type and out-pulsing the received request to initiate communication.