core.h

/*
linphone
Copyright (C) 2000 - 2010 Simon MORLAT (simon.morlat@linphone.org)

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#ifndef LINPHONECORE_H
#define LINPHONECORE_H

#include "ortp/ortp.h"
#include "ortp/payloadtype.h"
#include "mediastreamer2/mscommon.h"
#include "mediastreamer2/msvideo.h"
#include "mediastreamer2/mediastream.h"
#include "mediastreamer2/bitratecontrol.h"

#include "linphone/defs.h"
#include "linphone/types.h"
#include "linphone/callbacks.h"
#include "linphone/sipsetup.h"

#include "linphone/account_creator.h"
#include "linphone/account_creator_service.h"
#include "linphone/auth_info.h"
#include "linphone/buffer.h"
#include "linphone/call.h"
#include "linphone/call_log.h"
#include "linphone/call_params.h"
#include "linphone/call_stats.h"
#include "linphone/chat.h"
#include "linphone/conference.h"
#include "linphone/dictionary.h"
#include "linphone/error_info.h"
#include "linphone/event.h"
#include "linphone/factory.h"
#include "linphone/friend.h"
#include "linphone/friendlist.h"
#include "linphone/im_encryption_engine.h"
#include "linphone/im_notif_policy.h"
#include "linphone/info_message.h"
#include "linphone/logging.h"
#include "linphone/lpconfig.h"
#include "linphone/misc.h"
#include "linphone/nat_policy.h"
#include "linphone/payload_type.h"
#include "linphone/player.h"
#include "linphone/presence.h"
#include "linphone/proxy_config.h"
#include "linphone/ringtoneplayer.h"
#include "linphone/vcard.h"
#include "linphone/video_definition.h"
#include "linphone/xmlrpc.h"
#include "linphone/headers.h"

// For migration purpose.
#include "linphone/api/c-api.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Safely down-cast a belle_sip_object_t into #LinphoneCore
 * @ingroup initializing
 */
#define LINPHONE_CORE(object) BELLE_SIP_CAST(object, LinphoneCore)


/**
 * Create a #LinphoneAddress object by parsing the user supplied address, given as a string.
 * @param[in] lc #LinphoneCore object
 * @param[in] address String containing the user supplied address
 * @return The create #LinphoneAddress object
 * @ingroup linphone_address
 */
LINPHONE_PUBLIC LinphoneAddress * linphone_core_create_address(LinphoneCore *lc, const char *address);


/**
 * @addtogroup misc
 * @{
 */

/**
 * Create an independent media file player.
 * This player support WAVE and MATROSKA formats.
 * @param lc A #LinphoneCore object
 * @param sound_card_name Playback sound card. If NULL, the ringer sound card set in #LinphoneCore will be used
 * @param video_display_name Video display. If NULL, the video display set in #LinphoneCore will be used
 * @param window_id Id of the drawing window. Depend of video out
 * @return A pointer on the new instance. NULL if faild.
 */
LINPHONE_PUBLIC LinphonePlayer *linphone_core_create_local_player(LinphoneCore *lc, const char *sound_card_name, const char *video_display_name, void *window_id);

/**
 * Creates an empty info message.
 * @param lc the #LinphoneCore
 * @return a new LinphoneInfoMessage.
 *
 * The info message can later be filled with information using linphone_info_message_add_header() or linphone_info_message_set_content(),
 * and finally sent with linphone_core_send_info_message().
**/
LINPHONE_PUBLIC LinphoneInfoMessage *linphone_core_create_info_message(LinphoneCore*lc);

/**
 * Create a #LinphoneMagicSearch object.
 * @param[in] lc #LinphoneCore object
 * @return The create #LinphoneMagicSearch object
 * @ingroup misc
 */
LINPHONE_PUBLIC LinphoneMagicSearch *linphone_core_create_magic_search(LinphoneCore *lc);

/**
 * Checks if a new version of the application is available.
 * @param lc #LinphoneCore object
 * @param current_version The current version of the application
 */
LINPHONE_PUBLIC void linphone_core_check_for_update(LinphoneCore *lc, const char *current_version);

/**
 * Return the global unread chat message count.
 * @param[in] lc #LinphoneCore object.
 * @return The global unread chat message count.
 */
LINPHONE_PUBLIC int linphone_core_get_unread_chat_message_count (const LinphoneCore *lc);

/**
 * Return the unread chat message count for a given local address.
 * @param[in] lc #LinphoneCore object.
 * @param[in] address #LinphoneAddress object.
 * @return The unread chat message count.
 */
LINPHONE_PUBLIC int linphone_core_get_unread_chat_message_count_from_local (
	const LinphoneCore *lc,
	const LinphoneAddress *address
);

/**
 * Return the unread chat message count for all active local address. (Primary contact + proxy configs.)
 * @param[in] lc #LinphoneCore object.
 * @return The unread chat message count.
 */
LINPHONE_PUBLIC int linphone_core_get_unread_chat_message_count_from_active_locals (const LinphoneCore *lc);

/**
 * @}
 */

/**
 * Get the remote address of the current call.
 * @param[in] lc #LinphoneCore object.
 * @return The remote address of the current call or NULL if there is no current call.
 * @ingroup call_control
 */
LINPHONE_PUBLIC const LinphoneAddress * linphone_core_get_current_call_remote_address(LinphoneCore *lc);


/**
 * @addtogroup initializing
 * @{
**/

/**
 * Callback prototype
 */
typedef void (*LinphoneCoreCbFunc)(LinphoneCore *lc,void * user_data);

/**
 * This structure holds all callbacks that the application should implement.
 * None is mandatory.
 * @donotwrap
**/
typedef struct _LinphoneCoreVTable{
	LinphoneCoreGlobalStateChangedCb global_state_changed; /**<Notifies global state changes*/
	LinphoneCoreRegistrationStateChangedCb registration_state_changed;/**<Notifies registration state changes*/
	LinphoneCoreCallStateChangedCb call_state_changed;/**<Notifies call state changes*/
	LinphoneCoreNotifyPresenceReceivedCb notify_presence_received; /**< Notify received presence events*/
	LinphoneCoreNotifyPresenceReceivedForUriOrTelCb notify_presence_received_for_uri_or_tel; /**< Notify received presence events*/
	LinphoneCoreNewSubscriptionRequestedCb new_subscription_requested; /**< Notify about pending presence subscription request */
	LINPHONE_DEPRECATED LinphoneCoreAuthInfoRequestedCb auth_info_requested; /** @brief Ask the application some authentication information.
	                                                                             @deprecated Use authentication_requested instead. Deprecated since 2016-09-21 */
	LinphoneCoreAuthenticationRequestedCb authentication_requested; /**< Ask the application some authentication information */
	LinphoneCoreCallLogUpdatedCb call_log_updated; /**< Notifies that call log list has been updated */
	LinphoneCoreMessageReceivedCb message_received; /**< a message is received, can be text or external body*/
	LinphoneCoreCbsMessageReceivedUnableDecryptCb message_received_unable_decrypt; /**< an encrypted message is received but we can't decrypt it*/
	LinphoneCoreIsComposingReceivedCb is_composing_received; /**< An is-composing notification has been received */
	LinphoneCoreDtmfReceivedCb dtmf_received; /**< A dtmf has been received received */
	LinphoneCoreReferReceivedCb refer_received; /**< An out of call refer was received */
	LinphoneCoreCallEncryptionChangedCb call_encryption_changed; /**<Notifies on change in the encryption of call streams */
	LinphoneCoreTransferStateChangedCb transfer_state_changed; /**<Notifies when a transfer is in progress */
	LinphoneCoreBuddyInfoUpdatedCb buddy_info_updated; /**< a LinphoneFriend's BuddyInfo has changed*/
	LinphoneCoreCallStatsUpdatedCb call_stats_updated; /**<Notifies on refreshing of call's statistics. */
	LinphoneCoreInfoReceivedCb info_received; /**<Notifies an incoming informational message received.*/
	LinphoneCoreSubscriptionStateChangedCb subscription_state_changed; /**<Notifies subscription state change */
	LinphoneCoreNotifyReceivedCb notify_received; /**< Notifies a an event notification, see linphone_core_subscribe() */
	LinphoneCoreSubscribeReceivedCb subscribe_received; /**< Notifies a subscribe has been received, see linphone_core_subscribe() */
	LinphoneCorePublishStateChangedCb publish_state_changed;/**Notifies publish state change (only from #LinphoneEvent api)*/
	LinphoneCoreConfiguringStatusCb configuring_status; /** Notifies configuring status changes */
	LINPHONE_DEPRECATED LinphoneCoreTextMessageReceivedCb text_received; /**< @brief A text message has been received.
	                                                                          @deprecated Use #message_received instead. Deprecated since 2015-11-19.  */
	LINPHONE_DEPRECATED LinphoneCoreFileTransferRecvCb file_transfer_recv; /**< @brief Callback to store file received attached to a #LinphoneChatMessage.
	                                                                            @deprecated Deprecated since 2015-11-19. */
	LINPHONE_DEPRECATED LinphoneCoreFileTransferSendCb file_transfer_send; /**< @brief Callback to collect file chunk to be sent for a #LinphoneChatMessage.
	                                                                            @deprecated Deprecated since 2015-11-19. */
	LINPHONE_DEPRECATED LinphoneCoreFileTransferProgressIndicationCb file_transfer_progress_indication; /**< @brief Callback to indicate file transfer progress.
	                                                                                                         @deprecated Deprecated since 2015-11-19. */
	LinphoneCoreNetworkReachableCb network_reachable; /**< Callback to report IP network status (I.E up/down )*/
	LinphoneCoreLogCollectionUploadStateChangedCb log_collection_upload_state_changed; /**< Callback to upload collected logs */
	LinphoneCoreLogCollectionUploadProgressIndicationCb log_collection_upload_progress_indication; /**< Callback to indicate log collection upload progress */
	LinphoneCoreFriendListCreatedCb friend_list_created;
	LinphoneCoreFriendListRemovedCb friend_list_removed;
	LinphoneCoreCbsCallCreatedCb call_created;
	LinphoneCoreCbsVersionUpdateCheckResultReceivedCb version_update_check_result_received;
	LinphoneCoreCbsChatRoomStateChangedCb chat_room_state_changed;
	LinphoneCoreCbsQrcodeFoundCb qrcode_found;
	LinphoneCoreCbsEcCalibrationResultCb ec_calibration_result;
	LinphoneCoreCbsEcCalibrationAudioInitCb ec_calibration_audio_init;
	LinphoneCoreCbsEcCalibrationAudioUninitCb ec_calibration_audio_uninit;
	void *user_data; /**<User data associated with the above callbacks */
} LinphoneCoreVTable;

/**
 * @brief Instantiate a vtable with all arguments set to NULL.
 * @return newly allocated vtable.
 * @donotwrap
 */
LINPHONE_PUBLIC LinphoneCoreVTable *linphone_core_v_table_new(void);

/**
 * @brief Sets a user data pointer in the vtable.
 * @param table the vtable.
 * @param data the user data to attach.
 * @donotwrap
 */
LINPHONE_PUBLIC void linphone_core_v_table_set_user_data(LinphoneCoreVTable *table, void *data);

/**
 * @brief Gets a user data pointer in the vtable.
 * @param table the vtable.
 * @return the data attached to the vtable.
 * @donotwrap
 */
LINPHONE_PUBLIC void* linphone_core_v_table_get_user_data(const LinphoneCoreVTable *table);

/**
 * Gets the current VTable.
 * This is meant only to be called from a callback to be able to get the user_data associated with the vtable that called the callback.
 * @param lc the linphonecore
 * @return the vtable that called the last callback
 * @donotwrap
 */
LINPHONE_PUBLIC LinphoneCoreVTable *linphone_core_get_current_vtable(LinphoneCore *lc);

/**
 * @brief Destroy a vtable.
 * @param table to be destroyed.
 * @donotwrap
 */
LINPHONE_PUBLIC void linphone_core_v_table_destroy(LinphoneCoreVTable* table);

/**
 * Increment the reference counter.
 */
LINPHONE_PUBLIC LinphoneCoreCbs *linphone_core_cbs_ref(LinphoneCoreCbs *cbs);

/**
 * Decrement the reference counter.
 */
LINPHONE_PUBLIC void linphone_core_cbs_unref(LinphoneCoreCbs *cbs);

/**
 * Set private data to be get from each callbacks.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_user_data(LinphoneCoreCbs *cbs, void *user_data);

/**
 * Get the user pointer.
 */
LINPHONE_PUBLIC void *linphone_core_cbs_get_user_data(const LinphoneCoreCbs *cbs);

/**
 * Gets the current #LinphoneCoreCbs.
 * This is meant only to be called from a callback to be able to get the user_data associated with the #LinphoneCoreCbs that is calling the callback.
 * @param lc the linphonecore
 * @return the #LinphoneCoreCbs that has called the last callback
 */
LINPHONE_PUBLIC LinphoneCoreCbs *linphone_core_get_current_callbacks(const LinphoneCore *lc);

/**
 * Set the #LinphoneCoreGlobalStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_global_state_changed(LinphoneCoreCbs *cbs, LinphoneCoreCbsGlobalStateChangedCb cb);

/**
 * Get the # callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsGlobalStateChangedCb linphone_core_cbs_get_global_state_changed(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsRegistrationStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_registration_state_changed(LinphoneCoreCbs *cbs, LinphoneCoreCbsRegistrationStateChangedCb cb);

/**
 * Get the #LinphoneCoreCbsRegistrationStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsRegistrationStateChangedCb linphone_core_cbs_get_registration_state_changed(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsCallStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_call_state_changed(LinphoneCoreCbs *cbs, LinphoneCoreCbsCallStateChangedCb cb);

/**
 * Get the #LinphoneCoreCbsCallStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsCallStateChangedCb linphone_core_cbs_get_call_state_changed(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsNotifyPresenceReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_notify_presence_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsNotifyPresenceReceivedCb cb);

/**
 * Get the #LinphoneCoreCbsNotifyPresenceReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsNotifyPresenceReceivedCb linphone_core_cbs_get_notify_presence_received(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsNotifyPresenceReceivedForUriOrTelCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_notify_presence_received_for_uri_or_tel(LinphoneCoreCbs *cbs, LinphoneCoreCbsNotifyPresenceReceivedForUriOrTelCb cb);

/**
 * Get the #LinphoneCoreCbsNotifyPresenceReceivedForUriOrTelCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsNotifyPresenceReceivedForUriOrTelCb linphone_core_cbs_get_notify_presence_received_for_uri_or_tel(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsNewSubscriptionRequestedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_new_subscription_requested(LinphoneCoreCbs *cbs, LinphoneCoreCbsNewSubscriptionRequestedCb cb);

/**
 * Get the #LinphoneCoreCbsNewSubscriptionRequestedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsNewSubscriptionRequestedCb linphone_core_cbs_get_new_subscription_requested(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsAuthenticationRequestedCb callback.'
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_authentication_requested(LinphoneCoreCbs *cbs, LinphoneCoreCbsAuthenticationRequestedCb cb);

/**
 * Get the #LinphoneCoreCbsAuthenticationRequestedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsAuthenticationRequestedCb linphone_core_cbs_get_authentication_requested(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsCallLogUpdatedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_call_log_updated(LinphoneCoreCbs *cbs, LinphoneCoreCbsCallLogUpdatedCb cb);

/**
 * Get the #LinphoneCoreCbsCallLogUpdatedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsCallLogUpdatedCb linphone_core_cbs_get_call_log_updated(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsMessageReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_message_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsMessageReceivedCb cb);

/**
 * Get the #LinphoneCoreCbsMessageReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsMessageReceivedCb linphone_core_cbs_get_message_received(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsMessageReceivedUnableDecryptCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_message_received_unable_decrypt(LinphoneCoreCbs *cbs, LinphoneCoreCbsMessageReceivedUnableDecryptCb cb);

/**
 * Get the #LinphoneCoreCbsMessageReceivedUnableDecryptCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsMessageReceivedUnableDecryptCb linphone_core_cbs_get_message_received_unable_decrypt(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsIsComposingReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_is_composing_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsIsComposingReceivedCb cb);

/**
 * Get the #LinphoneCoreCbsIsComposingReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsIsComposingReceivedCb linphone_core_cbs_get_is_composing_received(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsDtmfReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_dtmf_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsDtmfReceivedCb cb);

/**
 * Get the #LinphoneCoreCbsDtmfReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsDtmfReceivedCb linphone_core_cbs_get_dtmf_received(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsReferReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_refer_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsReferReceivedCb cb);

/**
 * Get the #LinphoneCoreCbsReferReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsReferReceivedCb linphone_core_cbs_get_refer_received(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsCallEncryptionChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_call_encryption_changed(LinphoneCoreCbs *cbs, LinphoneCoreCbsCallEncryptionChangedCb cb);

/**
 * Get the #LinphoneCoreCbsCallEncryptionChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsCallEncryptionChangedCb linphone_core_cbs_get_call_encryption_changed(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsTransferStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_transfer_state_changed(LinphoneCoreCbs *cbs, LinphoneCoreCbsTransferStateChangedCb cb);

/**
 * Get the #LinphoneCoreCbsTransferStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsTransferStateChangedCb linphone_core_cbs_get_transfer_state_changed(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsBuddyInfoUpdatedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_buddy_info_updated(LinphoneCoreCbs *cbs, LinphoneCoreCbsBuddyInfoUpdatedCb cb);

/**
 * Get the #LinphoneCoreCbsBuddyInfoUpdatedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsBuddyInfoUpdatedCb linphone_core_cbs_get_buddy_info_updated(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsCallStatsUpdatedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_call_stats_updated(LinphoneCoreCbs *cbs, LinphoneCoreCbsCallStatsUpdatedCb cb);

/**
 * Get the #LinphoneCoreCbsCallStatsUpdatedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsCallStatsUpdatedCb linphone_core_cbs_get_call_stats_updated(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsInfoReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_info_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsInfoReceivedCb cb);

/**
 * Get the #LinphoneCoreCbsInfoReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsInfoReceivedCb linphone_core_cbs_get_info_received(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsSubscriptionStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_subscription_state_changed(LinphoneCoreCbs *cbs, LinphoneCoreCbsSubscriptionStateChangedCb cb);

/**
 * Get the #LinphoneCoreCbsSubscriptionStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsSubscriptionStateChangedCb linphone_core_cbs_get_subscription_state_changed(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsNotifyReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_notify_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsNotifyReceivedCb cb);

/**
 * Get the #LinphoneCoreCbsNotifyReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsNotifyReceivedCb linphone_core_cbs_get_notify_received(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsSubscribeReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_subscribe_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsSubscribeReceivedCb cb);

/**
 * Get the #LinphoneCoreCbsSubscribeReceivedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsSubscribeReceivedCb linphone_core_cbs_get_subscribe_received(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsPublishStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_publish_state_changed(LinphoneCoreCbs *cbs, LinphoneCoreCbsPublishStateChangedCb cb);

/**
 * Get the #LinphoneCoreCbsPublishStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsPublishStateChangedCb linphone_core_cbs_get_publish_state_changed(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsConfiguringStatusCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_configuring_status(LinphoneCoreCbs *cbs, LinphoneCoreCbsConfiguringStatusCb cb);

/**
 * Get the #LinphoneCoreCbsConfiguringStatusCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsConfiguringStatusCb linphone_core_cbs_get_configuring_status(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsNetworkReachableCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_network_reachable(LinphoneCoreCbs *cbs, LinphoneCoreCbsNetworkReachableCb cb);

/**
 * Get the #LinphoneCoreCbsNetworkReachableCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsNetworkReachableCb linphone_core_cbs_get_network_reachable(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsLogCollectionUploadStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_log_collection_upload_state_changed(LinphoneCoreCbs *cbs, LinphoneCoreCbsLogCollectionUploadStateChangedCb cb);

/**
 * Get the #LinphoneCoreCbsLogCollectionUploadStateChangedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsLogCollectionUploadStateChangedCb linphone_core_cbs_get_log_collection_upload_state_changed(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsLogCollectionUploadProgressIndicationCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_log_collection_upload_progress_indication(LinphoneCoreCbs *cbs, LinphoneCoreCbsLogCollectionUploadProgressIndicationCb cb);

/**
 * Get the #LinphoneCoreCbsLogCollectionUploadProgressIndicationCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsLogCollectionUploadProgressIndicationCb linphone_core_cbs_get_log_collection_upload_progress_indication(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsFriendListCreatedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_friend_list_created(LinphoneCoreCbs *cbs, LinphoneCoreCbsFriendListCreatedCb cb);

/**
 * Get the #LinphoneCoreCbsFriendListCreatedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsFriendListCreatedCb linphone_core_cbs_get_friend_list_created(LinphoneCoreCbs *cbs);

/**
 * Set the #LinphoneCoreCbsFriendListRemovedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @param[in] cb The callback.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_friend_list_removed(LinphoneCoreCbs *cbs, LinphoneCoreCbsFriendListRemovedCb cb);

/**
 * Get the #LinphoneCoreCbsFriendListRemovedCb callback.
 * @param[in] cbs A #LinphoneCoreCbs.
 * @return The callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsFriendListRemovedCb linphone_core_cbs_get_friend_list_removed(LinphoneCoreCbs *cbs);

/**
 * Set the call created callback.
 * @param[in] cbs #LinphoneCallCbs object.
 * @param[in] cb The call created callback to be used.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_call_created(LinphoneCoreCbs *cbs, LinphoneCoreCbsCallCreatedCb cb);

/**
 * Get the call created callback.
 * @param[in] cbs #LinphoneCoreCbs object.
 * @return The current call created callback.
 */
LINPHONE_PUBLIC LinphoneCoreCbsCallCreatedCb linphone_core_cbs_get_call_created(LinphoneCoreCbs *cbs);

/**
 * Set the version update check result callback.
 * @param[in] cbs #LinphoneCoreCbs object
 * @param[in] cb The callback to use
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_version_update_check_result_received(LinphoneCoreCbs *cbs, LinphoneCoreCbsVersionUpdateCheckResultReceivedCb cb);

/**
 * Get the version update check result callback.
 * @param[in] cbs #LinphoneCoreCbs object
 * @return The current callback
 */
LINPHONE_PUBLIC LinphoneCoreCbsVersionUpdateCheckResultReceivedCb linphone_core_cbs_get_version_update_check_result_received(LinphoneCoreCbs *cbs);

/**
 * Get the chat room state changed callback.
 * @param[in] cbs #LinphoneCoreCbs object
 * @return The current callback
 */
LINPHONE_PUBLIC LinphoneCoreCbsChatRoomStateChangedCb linphone_core_cbs_get_chat_room_state_changed (LinphoneCoreCbs *cbs);

/**
 * Set the chat room state changed callback.
 * @param[in] cbs #LinphoneCoreCbs object
 * @param[in] cb The callback to use
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_chat_room_state_changed (LinphoneCoreCbs *cbs, LinphoneCoreCbsChatRoomStateChangedCb cb);

/**
 * Get the qrcode found callback.
 * @param[in] cbs LinphoneCoreCbs object
 * @return The current callback
 */
LINPHONE_PUBLIC LinphoneCoreCbsQrcodeFoundCb linphone_core_cbs_get_qrcode_found(LinphoneCoreCbs *cbs);

/**
 * Set the qrcode found callback.
 * @param[in] cbs LinphoneCoreCbs object
 * @param[in] cb The callback to use
 **/
LINPHONE_PUBLIC void linphone_core_cbs_set_qrcode_found(LinphoneCoreCbs *cbs, LinphoneCoreCbsQrcodeFoundCb cb);

/**
 * @brief Sets a callback to call each time the echo-canceler calibration is completed.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_ec_calibration_result(LinphoneCoreCbs *cbs, LinphoneCoreCbsEcCalibrationResultCb cb);

/**
 * @brief Sets a callback to call when the echo-canceler calibrator has completed its audio graph.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_ec_calibration_audio_init(LinphoneCoreCbs *cbs, LinphoneCoreCbsEcCalibrationAudioInitCb cb);

/**
 * @brief Sets a callback to call when the echo-canceler calibrator destroys its audio graph.
 */
LINPHONE_PUBLIC void linphone_core_cbs_set_ec_calibration_audio_uninit(LinphoneCoreCbs *cbs, LinphoneCoreCbsEcCalibrationAudioUninitCb cb);

/**
 * @}
**/

typedef void * (*LinphoneCoreWaitingCallback)(LinphoneCore *lc, void *context, LinphoneWaitingState ws, const char *purpose, float progress);


/**
 * @addtogroup initializing
 * @{
**/

/**
 * Tells whether the linphone core log collection is enabled.
 * @return The state of the linphone core log collection.
 */
LINPHONE_PUBLIC LinphoneLogCollectionState linphone_core_log_collection_enabled(void);

/**
 * Enable the linphone core log collection to upload logs on a server.
 * @param[in] state #LinphoneLogCollectionState value telling whether to enable log collection or not.
 */
LINPHONE_PUBLIC void linphone_core_enable_log_collection(LinphoneLogCollectionState state);

/**
 * Get the path where the log files will be written for log collection.
 * @return The path where the log files will be written.
 */
LINPHONE_PUBLIC const char * linphone_core_get_log_collection_path(void);

/**
 * Set the path of a directory where the log files will be written for log collection.
 * @param[in] path The path where the log files will be written.
 */
LINPHONE_PUBLIC void linphone_core_set_log_collection_path(const char *path);

/**
 * Get the prefix of the filenames that will be used for log collection.
 * @return The prefix of the filenames used for log collection.
 */
LINPHONE_PUBLIC const char * linphone_core_get_log_collection_prefix(void);

/**
 * Set the prefix of the filenames that will be used for log collection.
 * @param[in] prefix The prefix to use for the filenames for log collection.
 */
LINPHONE_PUBLIC void linphone_core_set_log_collection_prefix(const char *prefix);

/**
 * Get the max file size in bytes of the files used for log collection.
 * @return The max file size in bytes of the files used for log collection.
 */
LINPHONE_PUBLIC size_t linphone_core_get_log_collection_max_file_size(void);

/**
 * Set the max file size in bytes of the files used for log collection.
 * Warning: this function should only not be used to change size
 * dynamically but instead only before calling @see
 * linphone_core_enable_log_collection. If you increase max size
  * on runtime, logs chronological order COULD be broken.
 * @param[in] size The max file size in bytes of the files used for log collection.
 */
LINPHONE_PUBLIC void linphone_core_set_log_collection_max_file_size(size_t size);

/**
 * Set the url of the server where to upload the collected log files.
 * @param[in] core #LinphoneCore object
 * @param[in] server_url The url of the server where to upload the collected log files.
 */
LINPHONE_PUBLIC void linphone_core_set_log_collection_upload_server_url(LinphoneCore *core, const char *server_url);

/**
 * Gets the url of the server where to upload the collected log files.
 * @param[in] core #LinphoneCore object
 * @return The url of the server where to upload the collected log files.
 */
LINPHONE_PUBLIC const char * linphone_core_get_log_collection_upload_server_url(LinphoneCore *core);

/**
 * Upload the log collection to the configured server url.
 * @param[in] core #LinphoneCore object
 */
LINPHONE_PUBLIC void linphone_core_upload_log_collection(LinphoneCore *core);

/**
 * Compress the log collection in a single file.
 * @return The path of the compressed log collection file (to be freed calling ms_free()).
 */
LINPHONE_PUBLIC char * linphone_core_compress_log_collection(void);

/**
 * Reset the log collection by removing the log files.
 */
LINPHONE_PUBLIC void linphone_core_reset_log_collection(void);

/**
 * @brief Define a log handler.
 * @param logfunc The function pointer of the log handler.
 * @deprecated Use #linphone_logging_service_cbs_set_log_message_written() instead. Deprecated since 2017-10-10.
 * @donotwrap
 */
LINPHONE_PUBLIC LINPHONE_DEPRECATED void linphone_core_set_log_handler(OrtpLogFunc logfunc);

/**
 * @brief Define a log file.
 *
 * If the file pointer passed as an argument is NULL, stdout is used instead.
 * @param file A pointer to the FILE structure of the file to write to.
 * @deprecated Use #linphone_log_service_set_file() instead. Deprecated since 2017-10-10.
 * @donotwrap
 */
LINPHONE_PUBLIC LINPHONE_DEPRECATED void linphone_core_set_log_file(FILE *file);

/**
 * @brief Define the minimum level for logging.
 * @param loglevel Minimum level for logging messages.
 * @deprecated Use #linphone_logging_service_set_log_level() instead. Deprecated since 2017-10-10.
 * @donotwrap
**/
LINPHONE_PUBLIC LINPHONE_DEPRECATED void linphone_core_set_log_level(OrtpLogLevel loglevel);

/**
 * Define the log level using mask.
 *
 * The loglevel parameter is a bitmask parameter. Therefore to enable only warning and error
 * messages, use ORTP_WARNING | ORTP_ERROR. To disable logs, simply set loglevel to 0.
 *
 * @param mask A bitmask of the log levels to set.
 * @deprecated Use #linphone_logging_service_set_log_level() instead. Deprecated since 2017-10-10.
 */
LINPHONE_PUBLIC LINPHONE_DEPRECATED void linphone_core_set_log_level_mask(unsigned int mask);

/**
 * Get defined log level mask.
 *
 * @return The loglevel parameter is a bitmask parameter. Therefore to enable only warning and error
 * messages, use ORTP_WARNING | ORTP_ERROR. To disable logs, simply set loglevel to 0.
 * @deprecated Use #linphone_logging_service_get_log_level_mask() instead. Deprecated since 2017-10-10.
 */
LINPHONE_PUBLIC LINPHONE_DEPRECATED unsigned int linphone_core_get_log_level_mask(void);

/**
 * Enable logs in supplied FILE*.
 * @param file a C FILE* where to fprintf logs. If null stdout is used.
 * @deprecated Use #linphone_core_set_log_file and #linphone_core_set_log_level() instead.
 * Deprecated since 2017-01-12.
 * @donotwrap
**/
LINPHONE_DEPRECATED LINPHONE_PUBLIC void linphone_core_enable_logs(FILE *file);

/**
 * Enable logs through the user's supplied log callback.
 * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 *            	  typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 * @deprecated Use #linphone_core_set_log_handler and #linphone_core_set_log_level instead.
 * Deprecated since 2017-01-12.
 * @donotwrap
**/
LINPHONE_DEPRECATED LINPHONE_PUBLIC void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc);

/**
 * Entirely disable logging.
 * @deprecated Use #linphone_core_set_log_level() instead. Deprecated since 2017-01-12.
 * @donotwrap
**/
LINPHONE_DEPRECATED LINPHONE_PUBLIC void linphone_core_disable_logs(void);

/**
 * Enable logs serialization (output logs from either the thread that creates the linphone core or the thread that calls linphone_core_iterate()).
 * Must be called before creating the linphone core.
 */
LINPHONE_PUBLIC void linphone_core_serialize_logs(void);

/**
 * Returns liblinphone's version as a string.
**/
LINPHONE_PUBLIC const char *linphone_core_get_version(void);

/**
 * @return liblinphone's user agent as a string.
**/
LINPHONE_PUBLIC const char *linphone_core_get_user_agent(LinphoneCore *lc);

/**
 * @deprecated Use #linphone_core_get_user_agent() instead.
 * Deprecated since 2015-11-19.
 * @donotwrap
**/
LINPHONE_PUBLIC LINPHONE_DEPRECATED const char *linphone_core_get_user_agent_name(void);

/**
 * @deprecated Use #linphone_core_get_user_agent instead.
 * Deprecated since 2015-11-19.
 * @donotwrap
**/
LINPHONE_PUBLIC LINPHONE_DEPRECATED const char *linphone_core_get_user_agent_version(void);

/**
 * @}
**/

/**
 * Instanciates a #LinphoneCore object.
 * @ingroup initializing
 *
 * The #LinphoneCore object is the primary handle for doing all phone actions.
 * It should be unique within your application.
 * @param vtable a #LinphoneCoreVTable structure holding your application callbacks
 * @param config_path a path to a config file. If it does not exists it will be created.
 *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
 *        become persistent over the life of the LinphoneCore object.
 *        It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
 * @param factory_config_path a path to a read-only config file that can be used to
 *        to store hard-coded preference such as proxy settings or internal preferences.
 *        The settings in this factory file always override the one in the normal config file.
 *        It is OPTIONAL, use NULL if unneeded.
 * @param userdata an opaque user pointer that can be retrieved at any time (for example in
 *        callbacks) using linphone_core_get_user_data().
 * @see linphone_core_new_with_config
 * @deprecated Use #linphone_factory_create_core() instead. Deprecated since 2017-01-12.
 * @donotwrap
**/
LINPHONE_DEPRECATED LINPHONE_PUBLIC LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
						const char *config_path, const char *factory_config_path, void* userdata);

/**
 * Instantiates a #LinphoneCore object with a given LpConfig.
 * @ingroup initializing
 *
 * The #LinphoneCore object is the primary handle for doing all phone actions.
 * It should be unique within your application.
 * @param vtable a #LinphoneCoreVTable structure holding your application callbacks
 * @param config a pointer to an LpConfig object holding the configuration of the #LinphoneCore to be instantiated.
 * @param userdata an opaque user pointer that can be retrieved at any time (for example in
 *        callbacks) using linphone_core_get_user_data().
 * @see linphone_core_new
 * @deprecated Use #linphone_factory_create_core_with_config() instead. Deprecated since 2017-01-12.
 * @donotwrap
**/
LINPHONE_DEPRECATED LINPHONE_PUBLIC LinphoneCore *linphone_core_new_with_config(const LinphoneCoreVTable *vtable, LpConfig *config, void *userdata);

/**
 * Start a #LinphoneCore object after it has been instantiated.
 * @ingroup initializing
 * @param[in] core The #LinphoneCore object to be started
 */
LINPHONE_PUBLIC void linphone_core_start (LinphoneCore *core);

/**
 * Increment the reference counter of a #LinphoneCore object.
 * @param lc The #LinphoneCore which the ref counter is to be incremented.
 * @return A pointer on the #LinphoneCore passed as parameter.
 * @ingroup initializing
 */
LINPHONE_PUBLIC LinphoneCore *linphone_core_ref(LinphoneCore *lc);

/**
 * Decrement the ref counter of a #LinphoneCore object and destroy it
 * if the counter reach 0.
 * @param lc The #LinphoneCore which the reference counter is to be decreased.
 * @ingroup initializing
 */
LINPHONE_PUBLIC void linphone_core_unref(LinphoneCore *lc);

/**
 * Main loop function. It is crucial that your application call it periodically.
 *
 * linphone_core_iterate() performs various backgrounds tasks:
 * - receiving of SIP messages
 * - handles timers and timeout
 * - performs registration to proxies
 * - authentication retries
 * The application MUST call this function periodically, in its main loop.
 * Be careful that this function must be called from the same thread as
 * other liblinphone methods. If it is not the case make sure all liblinphone calls are
 * serialized with a mutex.
 * For ICE to work properly it should be called every 20ms.
 * @param[in] lc #LinphoneCore object
 * @ingroup initializing
**/
LINPHONE_PUBLIC void linphone_core_iterate(LinphoneCore *lc);

/**
 * @ingroup initializing
 * add a listener to be notified of linphone core events. Once events are received, registered vtable are invoked in order.
 * @param vtable a #LinphoneCoreVTable structure holding your application callbacks. Object is owned by linphone core until linphone_core_remove_listener.
 * @param lc object
 * @deprecated Use linphone_core_add_callbacks() instead. Deprecated since 2017-01-12.
 * @donotwrap
 */
LINPHONE_DEPRECATED LINPHONE_PUBLIC void linphone_core_add_listener(LinphoneCore *lc, LinphoneCoreVTable *vtable);

/**
 * @ingroup initializing
 * Add a listener in order to be notified of #LinphoneCore events. Once an event is received, registred #LinphoneCoreCbs are
 * invoked sequencially.
 * @param lc The #LinphoneCore object to monitor.
 * @param cbs A #LinphoneCoreCbs object holding the callbacks you need. A reference is taken by #LinphoneCore until you invoke linphone_core_remove_callbacks().
 */
LINPHONE_PUBLIC void linphone_core_add_callbacks(LinphoneCore *lc, LinphoneCoreCbs *cbs);

/**
 * @ingroup initializing
 * remove a listener registred by linphone_core_add_listener.
 * @param lc object
 * @param vtable a #LinphoneCoreVTable structure holding your application callbacks.
 * @deprecated Use linphone_core_remove_callbacks() instead. Deprecated since 2017-01-12.