fix(bt/bluedroid): AG should send OK or other error codes to HF client

when it is driven by HF to initiate a call.

Author: BetterJincheng

examples/bluetooth/bluedroid/classic_bt/hfp_ag/main/bt_app_hf.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -32,7 +32,7 @@ const char *c_hf_evt_str[] = {
     "AUDIO_STATE_EVT",                   /*!< AUDIO CONNECTION STATE CONTROL */
     "VR_STATE_CHANGE_EVT",               /*!< VOICE RECOGNITION CHANGE */
     "VOLUME_CONTROL_EVT",                /*!< AUDIO VOLUME CONTROL */
-    "UNKNOW_AT_CMD",                     /*!< UNKNOW AT COMMAND RECIEVED */
+    "UNKNOW_AT_CMD",                     /*!< UNKNOWN AT COMMAND RECEIVED */
     "IND_UPDATE",                        /*!< INDICATION UPDATE */
     "CIND_RESPONSE_EVT",                 /*!< CALL & DEVICE INDICATION */
     "COPS_RESPONSE_EVT",                 /*!< CURRENT OPERATOR EVENT */
@@ -355,7 +355,7 @@ void bt_app_hf_cb(esp_hf_cb_event_t event, esp_hf_cb_param_t *param)
 
         case ESP_HF_IND_UPDATE_EVT:
         {
-            ESP_LOGI(BT_HF_TAG, "--UPDATE INDCATOR!");
+            ESP_LOGI(BT_HF_TAG, "--UPDATE INDICATOR!");
             esp_hf_call_status_t call_state = 1;
             esp_hf_call_setup_status_t call_setup_state = 2;
             esp_hf_network_state_t ntk_state = 1;
@@ -460,6 +460,7 @@ void bt_app_hf_cb(esp_hf_cb_event_t event, esp_hf_cb_param_t *param)
                 if (param->out_call.type == ESP_HF_DIAL_NUM) {
                     // dia_num
                     ESP_LOGI(BT_HF_TAG, "--Dial number \"%s\".", param->out_call.num_or_loc);
+                    esp_hf_ag_cmee_send(param->out_call.remote_addr, ESP_HF_AT_RESPONSE_CODE_OK, ESP_HF_CME_AG_FAILURE);
                     esp_hf_ag_out_call(param->out_call.remote_addr,1,0,1,0,param->out_call.num_or_loc,0);
                 } else if (param->out_call.type == ESP_HF_DIAL_MEM) {
                     // dia_mem