Providing mental health information through a 24-hour telephone service.
D003142:Communication; D003156:Community Mental Health Services; D003376:Counseling; D003419:Crisis Intervention; D006801:Humans; D007255:Information Services; D009518:New York; D012017:Referral and Consultation; D013689:Telephone; D014838:Volunteers; D000092864:Suicide Prevention