diff --git a/icshttp/handler.go b/icshttp/handler.go
index da992b7..a035062 100644
--- a/icshttp/handler.go
+++ b/icshttp/handler.go
@@ -68,8 +68,9 @@ type ResData struct {
 }
 
 type ResStatus struct {
-	Count  int
-	Status string
+	Count         int
+	Status        string
+	NotUnderstand int
 }
 
 type ScenarioSession struct {
@@ -180,11 +181,24 @@ func (s *ScenarioSession) BOTPFunc(w http.ResponseWriter, r *http.Request) {
 	// 현재 들어온 method로 분기
 	// next 시나리오로 넘겨주기
 	fmt.Printf("response %+v", request)
-	if request.Method != "INIT" && request.TalkText == "" {
+	if request.Method == "HANGUP" {
+		response.ResultCode = 200
+		response.Token = request.Token
+		response.Action = ""
+		response.AnounceMents = ""
+		response.Data.BargeIn = ""
+		response.Data.RecodingFile = ""
+		response.Data.SttMaxTime = 10
+	} else if request.Method != "INIT" && request.TalkText == "" {
 		response.ResultCode = 200
 		response.Token = request.Token
 		response.Action = "END"
-		response.AnounceMents = "잘 이해하지 못했습니다. 다시 말씀해주세요."
+		if s.session[request.Token].NotUnderstand == 3 {
+			response.AnounceMents = "잘 이해하지 못했습니다. 정확한 상담을 위해 매장으로 연결해드릴게요."
+		} else {
+			response.AnounceMents = "잘 이해하지 못했습니다. 다시 말씀해주세요."
+			s.session[request.Token] = ResStatus{Count: 1, Status: scnarioConf.Order[0], NotUnderstand: s.session[request.Token].NotUnderstand + 1}
+		}
 		response.Data.BargeIn = ""
 		response.Data.RecodingFile = ""
 		response.Data.SttMaxTime = 10
@@ -204,7 +218,7 @@ func (s *ScenarioSession) BOTPFunc(w http.ResponseWriter, r *http.Request) {
 				response.Data.SttMaxTime = scnarioConf.SttMaxTime[0]
 
 				s.m.Lock()
-				s.session[token] = ResStatus{Count: 1, Status: scnarioConf.Order[0]}
+				s.session[token] = ResStatus{Count: 1, Status: scnarioConf.Order[0], NotUnderstand: 0}
 				s.m.Unlock()
 			case "STT":
 				response.ResultCode = 200