A medical valve has an open mode that permits fluid flow, and a closed mode that prevents fluid flow. The assembled combination of the starter motor housing with the present invention is then attached to the engine’s bell housing where the starter motor would normally reside. A second connector 3 is provided with an abutting portion 5 and a locking portion 20. The system analyzes the second group of telephone calls to identify a second set of distributions of voice characteristics associated with the second group of telephone calls.