mbtk/libql_lib_v2_rilv2/ql_voice.c

/*-----------------------------------------------------------------------------------------------*/
/**
  @file ql_voice.h
  @brief Voice service API.
*/
/*-----------------------------------------------------------------------------------------------*/

/*-------------------------------------------------------------------------------------------------
  Copyright (c) 2019 Quectel Wireless Solution, Co., Ltd. All Rights Reserved.
  Quectel Wireless Solution Proprietary and Confidential.
-------------------------------------------------------------------------------------------------*/

/*-------------------------------------------------------------------------------------------------
  EDIT HISTORY
  This section contains comments describing changes made to the file.
  Notice that changes are listed in reverse chronological order.
  $Header: $
  when       who          what, where, why
  --------   ---          ----------------------------------------------------------
  20210622   Rambo.shan   Added Voice DSDA API.
  20210203   Rambo.shan   Added Voice bind API for DSDA.
  20210104   Rambo.shan   Added DTMF event indication.
  20200928   Rambo.shan   Added eCall set option of T3.
  20200907   Rambo.shan   Added SETUP voice state.
  20200622   Rambo.shan   Add eCall auto answer function
  20191225   solomon.cui  Modify fucntion description.
  20191111   solomon.cui  Add eCall APIs.
  20190815   solomon.cui  Add service type for sending message.
  20190625   solomon.cui  Created.
-------------------------------------------------------------------------------------------------*/
#include "mbtk_type.h"
#include "mbtk_ril_api.h"
#include "mbtk_log.h"
#include "ql_voice.h"
#include "ql_type.h"

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/epoll.h>
#include <unistd.h>
#include <errno.h>
#include <pthread.h>
#include <string.h>
#include <fcntl.h>
#include <time.h>

#define MBTK_ERR_OK             0

typedef struct {
    mbtk_ril_handle*         handle;
    int                         state_t;
    ql_voice_record_array_t     record_array;
    ql_voice_call_cb_f          call_cb;
    ql_voice_service_error_cb_f server_cb;
}ql_voice_info_handle_t;


static ql_voice_info_handle_t* voice_handle = NULL;


typedef struct {
    mbtk_voice_end_reason_enum mbtk_end_reason;
    QL_VOICE_END_REASON_E ql_end_reason;
}end_reason_t;



end_reason_t g_end_reason[] = {
{MBTK_VOICE_END_REASON_UNASSIGNED_NUMBER, QL_VOICE_END_REASON_UNASSIGNED_NUMBER}, 
{MBTK_VOICE_END_REASON_NO_ROUTE_DES, QL_VOICE_END_REASON_NO_ROUTE_TO_DESTINATION}, 
{MBTK_VOICE_END_REASON_CHANNEL_UNACCEPTABLE, QL_VOICE_END_REASON_CHANNEL_UNACCEPTABLE}, 
{MBTK_VOICE_END_REASON_OPERATOR_DETERMINED_BARRING, QL_VOICE_END_REASON_OPERATOR_DETERMINED_BARRING}, 
{MBTK_VOICE_END_REASON_NORMAL_CALL_CLEARING, QL_VOICE_END_REASON_NORMAL_CALL_CLEARING}, 
{MBTK_VOICE_END_REASON_USER_BUSY, QL_VOICE_END_REASON_USER_BUSY}, 

{MBTK_VOICE_END_REASON_NO_USER_RESPONDING, QL_VOICE_END_REASON_NO_USER_RESPONDING}, 
{MBTK_VOICE_END_REASON_USER_ALERTING_NO_ANSWER, QL_VOICE_END_REASON_USER_ALERTING_NO_ANSWER}, 
{MBTK_VOICE_END_REASON_CALL_REJECTED, QL_VOICE_END_REASON_CALL_REJECTED}, 
{MBTK_VOICE_END_REASON_NUMBER_CHANGED, QL_VOICE_END_REASON_NUMBER_CHANGED}, 
{MBTK_VOICE_END_REASON_PREEMPTION, QL_VOICE_END_REASON_PREEMPTION}, 
{MBTK_VOICE_END_REASON_NON_SELECTED_USER_CLEARING, QL_VOICE_END_REASON_NONE}, 
{MBTK_VOICE_END_REASON_DESTINATION_OUT_OF_ORDER, QL_VOICE_END_REASON_DESTINATION_OUT_OF_ORDER}, 
{MBTK_VOICE_END_REASON_INVALID_NUMBER_FORMAT, QL_VOICE_END_REASON_INVALID_NUMBER_FORMAT}, 
{MBTK_VOICE_END_REASON_FACILITY_REJECTED, QL_VOICE_END_REASON_FACILITY_REJECTED}, 
{MBTK_VOICE_END_REASON_STATUS_ENQUIRY, QL_VOICE_END_REASON_RESP_TO_STATUS_ENQUIRY}, 
{MBTK_VOICE_END_REASON_NORMAL_UNSPECIFIED, QL_VOICE_END_REASON_NORMAL_UNSPECIFIED}, 
{MBTK_VOICE_END_REASON_NO_CIRCUIT_AVAILABLE, QL_VOICE_END_REASON_NO_CIRCUIT_OR_CHANNEL_AVAILABLE}, 
{MBTK_VOICE_END_REASON_NETWORK_OUT_OF_ORDER, QL_VOICE_END_REASON_NETWORK_OUT_OF_ORDER}, 
{MBTK_VOICE_END_REASON_TEMPORARY_FAILURE, QL_VOICE_END_REASON_TEMPORARY_FAILURE}, 
{MBTK_VOICE_END_REASON_SWITCHING_EQUIPMENT_CONGESTION, QL_VOICE_END_REASON_SWITCHING_EQUIPMENT_CONGESTION}, 
{MBTK_VOICE_END_REASON_ACCESS_INFORMATION_DISCARDED, QL_VOICE_END_REASON_ACCESS_INFORMATION_DISCARDED}, 
{MBTK_VOICE_END_REASON_REQUESTED_CIRCUIT_UNAVAILABLE, QL_VOICE_END_REASON_REQUESTED_CIRCUIT_OR_CHANNEL_NOT_AVAILABLE}, 

{MBTK_VOICE_END_REASON_SERVICE_NOT_AVAILABLE, QL_VOICE_END_REASON_SERVICE_OPTION_NOT_AVAILABLE},

{MBTK_VOICE_END_REASON_END, QL_VOICE_END_REASON_NONE}

};


/*
    static int end_reason_mbtk_to_ql(char* mbtk_reason, int* ql_reason)
{
    int bufefer_i = 0;
    *ql_reason = QL_VOICE_END_REASON_NONE;

    bufefer_i = atoi(mbtk_reason);

    for(int i = 0; g_end_reason[i].mbtk_end_reason != MBTK_VOICE_END_REASON_END; i++)
    {
         if(bufefer_i == g_end_reason[i].mbtk_end_reason)
         {
            *ql_reason = g_end_reason[i].ql_end_reason;
            break;
         }
    }

    return 0;
}
*/

static mbtk_sim_type_enum s_voice_slot = MBTK_SIM_1;
static mbtk_sim_type_enum urc_voice_slot = MBTK_SIM_1;

static bool check_slot_valid(QL_SIM_SLOT_E slot)
{
    if (slot !=QL_SIM_SLOT_1 && slot != QL_SIM_SLOT_2)
    {
        LOG("bad slot: %d, slot should be 1 or 2", slot);
        return false;
    }
    
    return true;
}

static void ql_slot_convert_to_mbtk(QL_SIM_SLOT_E ql_slot,mbtk_sim_type_enum *mbtk_slot)
{
    if(ql_slot == QL_SIM_SLOT_1)
    {
        *mbtk_slot = MBTK_SIM_1;
    }
    
    if(ql_slot == QL_SIM_SLOT_2)
    {
        *mbtk_slot = MBTK_SIM_2;
    }
    return;
    
}

int  ql_set_voice_slot(QL_SIM_SLOT_E log_slot)
{
    if(!check_slot_valid(log_slot))
    {
        LOG("[%s] check_slot_valid failed.", __func__);
        return QL_ERR_INVALID_ARG;
    }
    ql_slot_convert_to_mbtk(log_slot,&s_voice_slot);
    LOG("s_net_slot is %d",s_voice_slot);
    return QL_ERR_OK;
}

static void ql_voice_state_change_cb(const void* data, int data_len)
{
    if(NULL == data)
    {
        LOGE("[ql_voice_state_change_cb] data is null.");
        return;
    }

    if(voice_handle->call_cb == NULL) {
        LOGW("voice_state_change_cb not set.");
        return;
    }
    
    mbtk_ril_call_state_info_t *reg = (mbtk_ril_call_state_info_t *)data;

    int ql_reason = 0;
    //end_reason_mbtk_to_ql((char*)reg->end_reason, &ql_reason);
    LOG("ql_voice_state_change_cb ql_reason:%d", ql_reason);
        

    if(MBTK_RIL_CALL_STATE_DISCONNECT != reg->state)
    {
        LOG("ql_voice_state_change_cb : %d, %d, %d, %d, %d, %s",  reg->sim_id, reg->call_id, reg->dir, reg->state, reg->num_type, reg->call_number);
        printf("ql_voice_state_change_cb : %d\n",  reg->sim_id);
        switch(reg->state)
        {
            case MBTK_RIL_CALL_STATE_ACTIVE:
            voice_handle->state_t = QL_VOICE_STATE_ACTIVE;
            urc_voice_slot=reg->sim_id;
            break;
            case MBTK_RIL_CALL_STATE_HELD:
            voice_handle->state_t = QL_VOICE_STATE_HOLDING;
            urc_voice_slot=reg->sim_id;
            break;
            case MBTK_RIL_CALL_STATE_DIALING:
            voice_handle->state_t = QL_VOICE_STATE_DIALING;
            urc_voice_slot=reg->sim_id;
            break;
            case MBTK_RIL_CALL_STATE_ALERTING:
            voice_handle->state_t = QL_VOICE_STATE_ALERTING;
            urc_voice_slot=reg->sim_id;
            break;
            case MBTK_RIL_CALL_STATE_INCOMING:
            voice_handle->state_t = QL_VOICE_STATE_INCOMING;
            urc_voice_slot=reg->sim_id;
            break;
            case MBTK_RIL_CALL_STATE_WAITING:
            voice_handle->state_t = QL_VOICE_STATE_WAITING;
			urc_voice_slot=reg->sim_id;
            break;
            case MBTK_RIL_CALL_STATE_DISCONNECT:
            voice_handle->state_t = QL_VOICE_STATE_END;
            break;
            default:
            break;
        }

        if (voice_handle->record_array.records[0].id == 0 || voice_handle->record_array.records[0].id == reg->call_id)
        {
            voice_handle->record_array.len = 1;
            voice_handle->record_array.records[0].id = reg->call_id;
            voice_handle->record_array.records[0].tech = 1;
            voice_handle->record_array.records[0].dir = reg->dir;
            voice_handle->record_array.records[0].end_reason = ql_reason;
            voice_handle->record_array.records[0].state = voice_handle->state_t;
            memcpy(voice_handle->record_array.records[0].number, reg->call_number, strlen((char *)reg->call_number));
        }
        else if (voice_handle->record_array.records[0].id != reg->call_id)
        {
            voice_handle->record_array.len = 2;
            voice_handle->record_array.records[1].id = reg->call_id;
            voice_handle->record_array.records[1].tech = 1;
            voice_handle->record_array.records[1].dir = reg->dir;
            voice_handle->record_array.records[1].end_reason = ql_reason;
            voice_handle->record_array.records[1].state = voice_handle->state_t;
            memcpy(voice_handle->record_array.records[1].number, reg->call_number, strlen((char *)reg->call_number));
        }

        voice_handle->call_cb(&voice_handle->record_array);
    }
    else
    {
        LOGI("RING : call dis connected!");
        voice_handle->record_array.records[0].end_reason = ql_reason;
        voice_handle->record_array.records[1].end_reason = ql_reason;
        if(voice_handle->record_array.records[0].id == reg->call_id)
        {
            voice_handle->record_array.records[0].state = QL_VOICE_STATE_END;
            voice_handle->record_array.records[0].id = 0;
        }
        if(voice_handle->record_array.records[1].id == reg->call_id)
        {
            voice_handle->record_array.records[1].state = QL_VOICE_STATE_END;
            voice_handle->record_array.records[1].id = 0;
            voice_handle->record_array.len = 1;
        }
        if (reg->call_id == voice_handle->record_array.records[1].id)
            voice_handle->call_cb(&voice_handle->record_array);
        else
            voice_handle->call_cb(&voice_handle->record_array);
    }

}

static void ql_voice_server_change_cb(const void* data, int data_len)
{
    if(data)
    {
        mbtk_ril_ser_state_enum server_state = *(mbtk_ril_ser_state_enum *)data;
        if(voice_handle->server_cb && server_state == MBTK_RIL_SER_STATE_EXIT)
        {
            voice_handle->server_cb(QL_ERR_ABORTED);
        }
    }
}


/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Initializes voice service.
  @return Whether the voice service was initialized successfully.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_init(void)
{
     if(NULL == voice_handle)
    {
        voice_handle = (ql_voice_info_handle_t*)malloc(sizeof(ql_voice_info_handle_t));
        memset(voice_handle, 0, sizeof(ql_voice_info_handle_t));
        voice_handle->record_array.records[0].id = 0;
        if(NULL == voice_handle)
        {
            LOGE("[ql_voice_init] voice handle malloc fail.");
            return QL_ERR_FAILED;
        }

        voice_handle->handle = mbtk_ril_open(MBTK_AT_PORT_VOICE);
        if(NULL == voice_handle->handle)
        {
            LOGE("[ql_voice_init] mbtk handle init fail.");
            if(voice_handle)
            {
                free(voice_handle);
                voice_handle = NULL;
                return QL_ERR_FAILED;
            }
        }

        int ret = mbtk_ds_call_state_change_cb_reg(MBTK_SIM_1,ql_voice_state_change_cb);
        if(ret != MBTK_ERR_OK)
        {
            LOGE("[ql_voice_init] set voice state cb fail.[%d]", ret);
             if(voice_handle->handle)
            {
                mbtk_ril_close(MBTK_AT_PORT_VOICE);
                voice_handle->handle = NULL;
                return QL_ERR_FAILED;
            }
        }
        ret = mbtk_ds_call_state_change_cb_reg(MBTK_SIM_2,ql_voice_state_change_cb);
        if(ret != MBTK_ERR_OK)
        {
            LOGE("[ql_voice_init] set voice state cb fail.[%d]", ret);
             if(voice_handle->handle)
            {
                mbtk_ril_close(MBTK_AT_PORT_VOICE);
                voice_handle->handle = NULL;
                return QL_ERR_FAILED;
            }
        }

        ret = mbtk_ril_ser_state_change_cb_reg(ql_voice_server_change_cb);
        if(ret != MBTK_ERR_OK)
        {
            LOGE("[ql_sim_init] set sim server cb fail.[%d]", ret);
             if(voice_handle->handle)
            {
                mbtk_ril_close(MBTK_AT_PORT_VOICE);
                voice_handle->handle = NULL;
                return QL_ERR_FAILED;
            }
        }

        voice_handle->call_cb = NULL;
        voice_handle->server_cb = NULL;
    }
     return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Deinitializes voice service.
  @return Whether the voice service was deinitialized successfully.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_deinit(void)
{
    if(NULL == voice_handle)
    {
        LOGE("[ql_voice_deinit] voice handle not init.");
        return QL_ERR_NOT_INIT;
    }

    int ret = 0;
    voice_handle->server_cb = NULL;
    voice_handle->call_cb = NULL;

    if(NULL != voice_handle->handle)
    {
        ret = mbtk_ril_close(MBTK_AT_PORT_VOICE);
        if(ret != MBTK_ERR_OK)
        {
            LOGE("[ql_voice_deinit] mbtk handle deinit fail.[%d]", ret);
            return QL_ERR_FAILED;
        }
        voice_handle->handle = NULL;
    }

    if(ret != QL_ERR_OK)
    {
        LOGE("[ql_voice_deinit] cb thread free deinit fail.");
        return QL_ERR_FAILED;
    }

    free(voice_handle);
    voice_handle = NULL;
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Dials a call.
  @param[in] num    phone number to dial.
  @param[in] len    length of phone number, should be less than
                    or euqnal to QL_VOICE_MAX_PHONE_NUMBER.
  @param[out] id    call id.
  @return Whether a voice call was successfully dialed.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_dial(char *num, int len, uint32_t *id)
{
    char* phone_num_t = NULL;
    mbtk_call_info_t reg = {0};
    int err;

    if(voice_handle->handle == NULL)
    {
        LOGE("ql_voice_call_start call_info_handle NULL");
        return QL_ERR_FAILED;
    }

    if (num == NULL)
    {
        LOGE("ql_voice_call_start phone_number NULL");
        return QL_ERR_FAILED;

    }

    phone_num_t  = num;

    err = mbtk_ds_call_start(voice_handle->handle, s_voice_slot,phone_num_t);
    if(err)
    {
        LOGE("Error : %d\n", err);
        return QL_ERR_FAILED;
    }
    else
    {
        LOGI("Call success.");
    }

    mbtk_ds_call_reg_get(voice_handle->handle, s_voice_slot,&reg);
    *id = reg.dir1;
    LOG("ql_voice_dial call_id: %d\n", reg.dir1, *id);

    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Cancels dialing with given id.
  @param[in] id call id returned from dial.
  @return Whether the voice call was successfully cancelled.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_cancel_dial(uint32_t id)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  hangup all dialing.
  @return Whether all voice call were successfully hangup.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_hangup_all(void)
{
    int err;

    if(voice_handle->handle == NULL)
    {
        LOGE("ql_voice_call_end call_info_handle NULL");
        return QL_ERR_FAILED;
    }

    err = mbtk_ds_call_hang(voice_handle->handle,urc_voice_slot);
    if(err)
    {
        LOGE("Error : %d", err);
        return QL_ERR_FAILED;
    }
    else
    {
        LOGI("Call hang up a all.");
    }
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Answers the call.
  @param[in] id call id returned from dial.
  @return Whether the voice call was successfully answered.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_answer(uint32_t id)
{
    int err;

    if(voice_handle->handle == NULL)
    {
        LOGE("ql_voice_call_anser call_info_handle NULL");
        return QL_ERR_FAILED;
    }

    err = mbtk_ds_call_answer(voice_handle->handle,urc_voice_slot);
    if(err)
    {
        LOGE("Error : %d", err);
        return QL_ERR_FAILED;
    }
    else
    {
        LOGI("Answer success.");
    }
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Hangs up the call.
  @param[in] id call id returned from dial.
  @return Whether the voice call was successfully hung up.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_hangup(uint32_t id)
{
    ql_auto_answer_thread_free(voice_handle,0);

    if(voice_handle->handle == NULL)
    {
        LOGE("ql_voice_call_end call_info_handle NULL");
        return QL_ERR_FAILED;
    }

    int err = mbtk_a_call_hang(voice_handle->handle,id);
    if(err)
    {
        LOGE("Error : %d", err);
        return QL_ERR_FAILED;
    }
    else
    {
        LOGI("Call hang up %d suc.",id);
    }
    return QL_ERR_OK;

}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Holds the call when mutil calls is activated.
  @param[in] id call id returned from dial.
  @return Whether the voice call was successfully held.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_hold(uint32_t id)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Releases the call from hold when mutil calls is activated.
  @param[in] id call id returned from dial.
  @return Whether the voice call was successfully unheld.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_unhold(uint32_t id)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Gets call records.
  @param[in] p_arr  pointer to ql_voice_record_array_t.
  @return Whether the call records were successfully obtained.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_get_records(ql_voice_record_array_t *p_arr)
{
    if(NULL == p_arr)
    {
        LOGE("ql_voice_get_records p_arr NULL");
        return QL_ERR_FAILED;
    }
    memcpy(p_arr, &voice_handle->record_array, sizeof(voice_handle->record_array));

    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Registers or Unregisters forwarding.
  @param[in] reg    0 - unregister, 1 - register.
  @param[in] cond   forwarding condition.
  @param[in] num    phone number.
  @param[in] len    length of phone numebr.
  @return Whether the voice call forward was registered or unregistered successfully.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_forwarding(int reg, QL_VOICE_FW_COND_E cond, char *num, int len)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Gets forwarding status.
  @param[in]  cond      forwarding condition.
  @param[out] p_status  pointer to ql_voice_fw_status_t.
  @return Whether the voice call forward status was successfully obtained.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_get_forwarding_status(QL_VOICE_FW_COND_E cond, ql_voice_fw_status_t *p_status)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Enables or disables call waiting.
  @param[in] enable 0 - disable, other - enable.
  @return Whether the voice call waiting was enabled or disabled successfully.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_waiting(int enable)
{
    return QL_ERR_OK;
}


/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Gets call waiting status.
  @param[out] enabled 0 - waiting is disabled, 1 - waiting is enabled.
  @return Whether the voice call waiting status was successfully obtained.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_get_waiting_status(int *enabled)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Enables or disables auto answer.
  @param[in] enable 0 - disable, other - enable.
  @param[in] sec    wait this `sec' seconds before auto answer.
  @return Whether the voice call autoanswer was enabled or disabled successfully.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_autoanswer(int enable, uint32_t sec);

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Sends a DTMF(Dual Tone Multi Frequency) character over the call ID.
  @param[in] id call id returned from dial.
  @param[in] c DTMF character to be sent. Valid DTMF characters are 0-9, A-D, '*', '#'.
  @return Whether a DTMF character was successfully sent.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_send_dtmf_char(uint32_t id, char c)
{
    int ret = 0;
    int tmp;
    char callnum_c;
    mbtk_call_dtmf_info_t *dtmf = NULL;

    if(voice_handle->handle == NULL)
    {
        LOGE("ql_voice_set_dtmf call_info_handle NULL");
        return QL_ERR_FAILED;
    }

    dtmf = (mbtk_call_dtmf_info_t*)malloc(sizeof(mbtk_call_dtmf_info_t));
    memset(dtmf,0x00, sizeof(mbtk_call_dtmf_info_t));

    tmp = (int)c;

    callnum_c = c;

    if ((tmp >= 48 && tmp <= 57) || (tmp >= 65 && tmp <= 68) || (tmp == 42) ||  (tmp == 35))
    {
        dtmf->duration = 300;
        dtmf->character = callnum_c;

        ret = mbtk_ds_dtmf_send(voice_handle->handle,s_voice_slot, dtmf);
        if (ret)
        {
            LOGE("mbtk_dtmf_send Error : %d", ret);
            ret = QL_ERR_FAILED;
            goto err;
        }
    }
    else
    {
        LOGE("ql_voice_set_dtmf callnum demand ERR");
        ret = QL_ERR_FAILED;
        goto err;
    }

err:
    free(dtmf);
    return ret;

}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Sets voice call callback handler.
  @param[in] cb call back handler.
  @return Whether the voice call callback handler was successfully set.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_set_call_cb(ql_voice_call_cb_f cb)
{
    if(NULL == voice_handle)
    {
        LOGE("[ql_voice_set_msg_recv_cb] voice handle not init.");
        return QL_ERR_NOT_INIT;
    }

    voice_handle->call_cb = cb;

    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Sets voice dtmf callback handler.
  @param[in] cb call back handler.
  @return Whether the voice call DTMF repcetion callback handler was successfully set.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_set_dtmf_cb(ql_voice_dtmf_cb_f cb)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Dials eCall.
  @param[in] p_info eCall info.
  @return Whether a eCall was successfully dialed.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_ecall_dial(ql_voice_ecall_info_t *p_info)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Hangs up eCall.
  @return Whether the eCall was successfully hung up.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_ecall_hangup(void)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Updates eCall MSD.
  @param[in] msd Minimum Set of Data.
  @param[in] msd_len Length of Minimum Set of Data.
  @return Whether the eCall MSD was successfully updated.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_ecall_update_msd(const uint8_t *msd, uint32_t msd_len)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Pushes eCall MSD.
  @param[out] state eCall state.
  @return Whether the eCall MSD was successfully pushed.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_ecall_push_msd(QL_VOICE_ECALL_STATE_E *state)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Gets eCall config.
  @param[in] p_config eCall config.
  @return Whether the eCall config was successfully obtained.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_ecall_get_config(ql_voice_ecall_config_t *p_config)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Sets eCall config.
  @param[in] item Items to set.
  @param[in] p_config eCall config.
  @return Whether the eCall config was successfully set.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_ecall_set_config(int item, ql_voice_ecall_config_t *p_config)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Sets eCall event callback handler.
  @param[in] cb call back handler.
  @return Whether the eCall event callback handler was successfully set.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_ecall_set_event_cb(ql_voice_ecall_event_cb_f cb)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Sets eCall status callback handler.
  @param[in] cb call back handler.
  @return Whether the eCall status callback handler was successfully set.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_ecall_set_status_cb(ql_voice_ecall_status_cb_f cb)
{
    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Registration server error callback. Currently, only if the server exits abnormally,
  the callback function will be executed, and the error code is QL_ERR_ABORTED;
  @param[in] cb  Callback function
  @return
  QL_ERR_OK - successful
  Other - error code defined by ql_type.h
  */
/*-----------------------------------------------------------------------------------------------*/
int ql_voice_set_service_error_cb(ql_voice_service_error_cb_f cb)
{
     if(NULL == voice_handle)
    {
        LOGE("[ql_voice_set_service_error_cb] voice handle not init.");
        return QL_ERR_NOT_INIT;
    }

    voice_handle->server_cb = cb;

    return QL_ERR_OK;
}

/*-----------------------------------------------------------------------------------------------*/
/**
  @brief  Binds the current control point to a specific subscription.
  @param[in] sub  Subscription type.
  @return Whether the subscription was successfully bound.
  @retval QL_ERR_OK successful.
  @retval QL_ERR_INVALID_ARG invalid argument.
  @retval QL_ERR_UNKNOWN unknown error, failed to connect to service.
  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
  @retval Other error code defined by ql_type.h.
  */
/*-----------------------------------------------------------------------------------------------*/
//int ql_voice_bind_subscription(QL_VOICE_SUBSCRIPTION_E sub);