diff --git a/platforms/libusb/btstack-config.h b/platforms/libusb/btstack-config.h
index 8c5f79fa7..05498edb5 100644
--- a/platforms/libusb/btstack-config.h
+++ b/platforms/libusb/btstack-config.h
@@ -21,6 +21,6 @@
 #define HAVE_HCI_DUMP
 #define SDP_DES_DUMP
 
-#define HAVE_SCO
+// #define HAVE_SCO
 
 #endif
diff --git a/src/hfp_ag.c b/src/hfp_ag.c
index c51409709..6c66f6c31 100644
--- a/src/hfp_ag.c
+++ b/src/hfp_ag.c
@@ -785,6 +785,22 @@ static void hfp_ag_ag_accept_call(void){
     }    
 }
 
+static void hfp_ag_trigger_reject_call(void){
+    int callsetup_indicator_index = get_ag_indicator_index_for_name("callsetup");
+    linked_list_iterator_t it;    
+    linked_list_iterator_init(&it, hfp_get_connections());
+    while (linked_list_iterator_has_next(&it)){
+        hfp_connection_t * connection = (hfp_connection_t *)linked_list_iterator_next(&it);
+        if (connection->call_state != HFP_CALL_RINGING) continue;
+        hfp_ag_hf_stop_ringing(connection);
+        connection->ag_indicators_status_update_bitmap = store_bit(connection->ag_indicators_status_update_bitmap, callsetup_indicator_index, 1);
+        connection->run_call_state_machine = 0;
+        connection->call_state = HFP_CALL_IDLE;
+        hfp_run_for_context(connection);
+        break;  // only single 
+    }    
+}
+
 static void hfp_ag_trigger_terminate_call(void){
     int call_indicator_index = get_ag_indicator_index_for_name("call");
 
@@ -881,19 +897,38 @@ static void hfp_ag_call_sm(hfp_ag_call_event_t event, hfp_connection_t * connect
 
         case HFP_AG_TERMINATE_CALL_BY_HF:
              switch (hfp_ag_call_state){
+                case HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS:
+                    switch (hfp_ag_callsetup_state){
+                        case HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS:
+                            hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS);
+                            hfp_ag_trigger_reject_call();
+                            printf("TODO HF Rejected Incoming call, AG terminate call\n");
+                            break;
+                        default:
+                            break;
+                    }
+                    break;
                 case HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT:
                     hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS);
                     hfp_ag_set_call_state(HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS);
                     hfp_ag_trigger_terminate_call();
                     printf("TODO AG terminate call\n");
                     break;
-                default:
-                    break;
             }
             break;
 
         case HFP_AG_TERMINATE_CALL_BY_AG:
              switch (hfp_ag_call_state){
+                case HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS:
+                    switch (hfp_ag_callsetup_state){
+                        case HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS:
+                            hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS);
+                            hfp_ag_trigger_reject_call();
+                            printf("TODO AG Rejected Incoming call, AG terminate call\n");
+                            break;
+                        default:
+                            break;
+                    }
                 case HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT:
                     hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS);
                     hfp_ag_set_call_state(HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS);
@@ -1179,24 +1214,6 @@ void hfp_ag_terminate_call(void){
     hfp_ag_call_sm(HFP_AG_TERMINATE_CALL_BY_AG, NULL);
 }
 
-
-void hfp_ag_audio_connection_transfer_towards_ag(bd_addr_t bd_addr){
-    hfp_connection_t * connection = get_hfp_connection_context_for_bd_addr(bd_addr);
-    if (connection->call_state != HFP_CALL_ACTIVE) return;
-    if (connection->state != HFP_AUDIO_CONNECTION_ESTABLISHED) return;
-    hfp_ag_release_audio_connection(bd_addr);
-}
-
-/**
- * @brief 
- */
-void hfp_ag_audio_connection_transfer_towards_hf(bd_addr_t bd_addr){
-    hfp_connection_t * connection = get_hfp_connection_context_for_bd_addr(bd_addr);
-    if (connection->call_state != HFP_CALL_ACTIVE) return;
-    if (connection->state != HFP_AUDIO_CONNECTION_ESTABLISHED) return;
-    hfp_ag_establish_audio_connection(bd_addr);
-}
-
 void hfp_ag_place_a_call_with_phone_number(void){
     // linked_list_iterator_t it;    
     // linked_list_iterator_init(&it, hfp_get_connections());
diff --git a/src/hfp_ag.h b/src/hfp_ag.h
index ba64e6464..f8f8692ac 100644
--- a/src/hfp_ag.h
+++ b/src/hfp_ag.h
@@ -190,16 +190,6 @@ void hfp_ag_call_dropped(void);
  */
 void hfp_ag_terminate_call(void);
 
-/**
- * @brief 
- */
-void hfp_ag_audio_connection_transfer_towards_hf(bd_addr_t bd_addr);
-
-/**
- * @brief 
- */
-void hfp_ag_audio_connection_transfer_towards_ag(bd_addr_t bd_addr);
-
 /**
  * @brief 
  */
diff --git a/test/pts/hfp_ag_test.c b/test/pts/hfp_ag_test.c
index b2bf4e2fe..be3834f45 100644
--- a/test/pts/hfp_ag_test.c
+++ b/test/pts/hfp_ag_test.c
@@ -122,6 +122,7 @@ static void show_usage(void){
     printf("d - report AG failure\n");
 
     printf("e - answer call on AG\n");
+    printf("E - reject call on AG\n");
 
     printf("r - disable in-band ring tone\n");
     printf("R - enable in-band ring tone\n");
@@ -138,8 +139,6 @@ static void show_usage(void){
     printf("i - Set battery level to 3\n");
     printf("I - Set battery level to 5\n");
 
-    printf("j - Transfer audio from AG to HF\n");
-
     printf("t - terminate connection\n");
 
     printf("---\n");
@@ -192,6 +191,10 @@ static int stdin_process(struct data_source *ds){
             printf("Answer call on AG\n");
             hfp_ag_answer_incoming_call();
             break;
+        case 'E':
+            printf("Reject call on AG\n");
+            hfp_ag_terminate_call();
+            break;
         case 'f':
             printf("Disable cellular network\n");
             hfp_ag_set_registration_status(0);
@@ -224,9 +227,6 @@ static int stdin_process(struct data_source *ds){
             printf("Set battery level to 5\n");
             hfp_ag_set_battery_level(5);
             break;
-        case 'j':
-            hfp_ag_audio_connection_transfer_towards_hf(device_addr);
-            break;
         case 'r':
             printf("Disable in-band ring tone\n");
             hfp_ag_set_use_in_band_ring_tone(0);