How to handle hotline calls.
D003156:Community Mental Health Services; D003376:Counseling; D003419:Crisis Intervention; D004645:Empathy; D006791:Hostility; D006801:Humans; D007398:Interpersonal Relations; D001523:Mental Disorders / Q000628:therapy; D013689:Telephone; D014705:Verbal Behavior; D014831:Voice