diff --git a/test/remote_operation.c b/test/remote_operation.c
index ec8023f..2d6be43 100644
--- a/test/remote_operation.c
+++ b/test/remote_operation.c
@@ -14,4 +14,14 @@ void remote_call_operation(int slot_id, const char* phone_number, enum REMOTE_CA
     sprintf(remote_command_buf, "AT+REMOTECALL=%d,0,0,%s,129", (int)op, phone_number);
     tapi_invoke_oem_ril_request_strings(get_tapi_ctx(), slot_id,
         EVENT_OEM_RIL_REQUEST_STRINGS_DONE, oem_req, 1, NULL);
-}
\ No newline at end of file
+}
+
+void remote_call_hangup_with_disconnect_reason(int slot_id, const char* phone_number, int disconnect_reason)
+{
+    char* oem_req[1];
+    oem_req[0] = remote_command_buf;
+    memset(remote_command_buf, 0, sizeof(remote_command_buf));
+    sprintf(remote_command_buf, "AT+REMOTECALL=6,0,0,%s,129,%d", phone_number, disconnect_reason);
+    tapi_invoke_oem_ril_request_strings(get_tapi_ctx(), slot_id,
+        EVENT_OEM_RIL_REQUEST_STRINGS_DONE, oem_req, 1, NULL);
+}
diff --git a/test/remote_operation.h b/test/remote_operation.h
index 282e510..06fb005 100644
--- a/test/remote_operation.h
+++ b/test/remote_operation.h
@@ -5,4 +5,8 @@ enum REMOTE_CALL_COMMAND_TYPE {
     REJECT_CALL = 6,
 };
 
-void remote_call_operation(int slot_id, const char* phone_number, enum REMOTE_CALL_COMMAND_TYPE op);
\ No newline at end of file
+#define DISCONNECT_REASON_REMOTE_HANGUP 16
+#define DISCONNECT_REASON_NETWORK_HANGUP 34
+
+void remote_call_operation(int slot_id, const char* phone_number, enum REMOTE_CALL_COMMAND_TYPE op);
+void remote_call_hangup_with_disconnect_reason(int slot_id, const char* phone_number, int disconnect_reason);
diff --git a/test/telephony_call_test.c b/test/telephony_call_test.c
index 4e49164..49bb802 100644
--- a/test/telephony_call_test.c
+++ b/test/telephony_call_test.c
@@ -1180,7 +1180,7 @@ int remote_operation_call_reject_test(int slot_id)
     judge_data_init();
     judge_data.expect = CALL_REMOTE_HANGUP;
 
-    remote_call_operation(slot_id, phone_num, REJECT_CALL);
+    remote_call_hangup_with_disconnect_reason(slot_id, phone_num, DISCONNECT_REASON_REMOTE_HANGUP);
 
     if (judge()) {
         syslog(LOG_ERR, "No hangup call message received in %s", __func__);
@@ -1384,17 +1384,8 @@ int outgoing_call_remote_answer_and_hangup(int slot_id)
     }
 
     sleep(5);
-    judge_data_init();
-    judge_data.expect = CALL_STATE_CHANGE_TO_ACTIVE;
-    remote_call_operation(slot_id, phone_num, ACTIVE_CALL);
-    if (judge()) {
-        syslog(LOG_ERR, "No active call message received in %s", __func__);
-        res = -1;
-        goto on_exit;
-    }
-
-    if (judge_data.result) {
-        syslog(LOG_ERR, "Unsolicited message error in %s", __func__);
+    if (remote_operation_call_active_test(slot_id) < 0) {
+        syslog(LOG_ERR, "Remote call active fail in %s", __func__);
         res = -1;
         goto on_exit;
     }
@@ -1794,19 +1785,8 @@ int call_incoming_and_hangup_by_dialer_before_answer_numerous(int slot_id)
 int incoming_call_answer_and_hangup(int slot_id)
 {
     int res = 0;
-    judge_data_init();
-    test_case_data_init();
-    judge_data.expect = NEW_CALL_INCOMING;
-
-    remote_call_operation(slot_id, phone_num, INCOMING_CALL);
-    if (judge()) {
-        syslog(LOG_ERR, "No incoming call message received in %s", __func__);
-        res = -1;
-        goto on_exit;
-    }
-
-    if (judge_data.result) {
-        syslog(LOG_ERR, "Unsolicited message error in %s", __func__);
+    if (remote_operation_call_incoming_test(slot_id) < 0) {
+        syslog(LOG_ERR, "Incoming call fail in %s", __func__);
         res = -1;
         goto on_exit;
     }
@@ -1832,19 +1812,8 @@ int incoming_call_answer_and_hangup(int slot_id)
 int incoming_call_answer_and_remote_hangup(int slot_id)
 {
     int res = 0;
-    judge_data_init();
-    test_case_data_init();
-    judge_data.expect = NEW_CALL_INCOMING;
-
-    remote_call_operation(slot_id, phone_num, INCOMING_CALL);
-    if (judge()) {
-        syslog(LOG_ERR, "No incoming call message received in %s", __func__);
-        res = -1;
-        goto on_exit;
-    }
-
-    if (judge_data.result) {
-        syslog(LOG_ERR, "Unsolicited message error in %s", __func__);
+    if (remote_operation_call_incoming_test(slot_id) < 0) {
+        syslog(LOG_ERR, "Incoming call fail in %s", __func__);
         res = -1;
         goto on_exit;
     }
@@ -3728,17 +3697,8 @@ int call_connect_and_local_hangup(int slot_id)
     }
 
     sleep(5);
-    judge_data_init();
-    judge_data.expect = CALL_STATE_CHANGE_TO_ACTIVE;
-    remote_call_operation(slot_id, phone_num, ACTIVE_CALL);
-    if (judge()) {
-        syslog(LOG_ERR, "No active call message received in %s", __func__);
-        res = -1;
-        goto on_exit;
-    }
-
-    if (judge_data.result) {
-        syslog(LOG_ERR, "Unsolicited message error in %s", __func__);
+    if (remote_operation_call_active_test(slot_id) < 0) {
+        syslog(LOG_ERR, "remote call active fail in %s", __func__);
         res = -1;
         goto on_exit;
     }
@@ -3832,4 +3792,4 @@ void incoming_another_call(void)
 {
     test_case_data_init();
     set_callback_data(NEW_CALL_WAITING);
-}
\ No newline at end of file
+}