JLChen
2021-08-02 38f4fb064df09f344fc3237409c76a9fba2a8a9e
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/*
 * Copyright (c) 2010-2020 Belledonne Communications SARL.
 *
 * This file is part of linphone-iphone
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
 
#import "LinphoneCoreSettingsStore.h"
#import "Utils.h"
#import "PhoneMainView.h"
 
#include "linphone/linphone_tunnel.h"
#include "linphone/lpconfig.h"
#include <stdio.h>
#include <stdlib.h>
 
@implementation LinphoneCoreSettingsStore
 
- (id)init {
    self = [super init];
    if (self) {
        dict = [[NSMutableDictionary alloc] init];
        changedDict = [[NSMutableDictionary alloc] init];
    }
    return self;
}
 
- (void)setCString:(const char *)value forKey:(NSString *)key {
    id obj = @"";
    if (value)
        obj = [[NSString alloc] initWithCString:value encoding:NSUTF8StringEncoding];
    [self setObject:obj forKey:key];
}
 
- (NSString *)stringForKey:(NSString *)key {
    return [self objectForKey:key];
}
 
- (void)setObject:(id)value forKey:(NSString *)key {
    [dict setValue:value forKey:key];
    [changedDict setValue:[NSNumber numberWithBool:TRUE] forKey:key];
}
 
- (id)objectForKey:(NSString *)key {
    return [dict valueForKey:key];
}
 
- (BOOL)valueChangedForKey:(NSString *)key {
    return [[changedDict valueForKey:key] boolValue];
}
 
+ (int)validPort:(int)port {
    if (port < 0) {
        return 0;
    }
    if (port > 65535) {
        return 65535;
    }
    return port;
}
 
+ (BOOL)parsePortRange:(NSString *)text minPort:(int *)minPort maxPort:(int *)maxPort {
    /*NSError *error = nil;
    *minPort = -1;
    *maxPort = -1;
    NSRegularExpression *regex =
        [NSRegularExpression regularExpressionWithPattern:@"([0-9]+)(([^0-9]+)([0-9]+))?" options:0 error:&error];
    if (error != NULL)
        return FALSE;
    NSArray *matches = [regex matchesInString:text options:0 range:NSMakeRange(0, [text length])];
    if ([matches count] == 1) {
        NSTextCheckingResult *match = [matches objectAtIndex:0];
        bool range = [match rangeAtIndex:2].length > 0;
        if (!range) {
            NSRange rangeMinPort = [match rangeAtIndex:1];
            *minPort = [LinphoneCoreSettingsStore validPort:[[text substringWithRange:rangeMinPort] intValue]];
            *maxPort = *minPort;
            return TRUE;
        } else {
            NSRange rangeMinPort = [match rangeAtIndex:1];
            *minPort = [LinphoneCoreSettingsStore validPort:[[text substringWithRange:rangeMinPort] intValue]];
            NSRange rangeMaxPort = [match rangeAtIndex:4];
            *maxPort = [LinphoneCoreSettingsStore validPort:[[text substringWithRange:rangeMaxPort] intValue]];
            if (*minPort > *maxPort) {
                *minPort = *maxPort;
            }
            return TRUE;
        }
    }*/
    int err;
 
    err = sscanf(text.UTF8String, "%i - %i", minPort, maxPort);
    if (err == 0) {
        *minPort = *maxPort = -1;
    } else if (err == 1) {
        *maxPort = -1;
    }
 
    // Minimal port allowed
    if (*minPort < 1024) {
        *minPort = -1;
    }
    // Maximal port allowed
    if (*maxPort > 65535) {
        *maxPort = -1;
    }
    // minPort must be inferior or equal to maxPort
    if (*minPort > *maxPort) {
        *maxPort = *minPort;
    }
 
    return TRUE;
}
 
- (void)transformCodecsToKeys:(const MSList *)codecs {
 
    const MSList *elem = codecs;
    for (; elem != NULL; elem = elem->next) {
        PayloadType *pt = (PayloadType *)elem->data;
        NSString *pref = [LinphoneManager getPreferenceForCodec:pt->mime_type withRate:pt->clock_rate];
        if (pref) {
            bool_t value = linphone_core_payload_type_enabled(LC, pt);
            [self setBool:value forKey:pref];
        } else {
            LOGW(@"Codec %s/%i supported by core is not shown in iOS app config view.", pt->mime_type, pt->clock_rate);
        }
    }
}
 
- (void)transformAccountToKeys:(NSString *)username {
    const MSList *accountList = linphone_core_get_account_list(LC);
    while (username && accountList &&
           strcmp(username.UTF8String,
                  linphone_address_get_username(linphone_account_params_get_identity_address(linphone_account_get_params(accountList->data)))) != 0) {
        accountList = accountList->next;
    }
    LinphoneAccount *account = NULL;
 
    // default values
    {
        [self setBool:NO forKey:@"account_pushnotification_preference"];
        [self setObject:@"" forKey:@"account_mandatory_username_preference"];
        [self setObject:@"" forKey:@"account_mandatory_domain_preference"];
        [self setCString:"" forKey:@"account_display_name_preference"];
        [self setObject:@"" forKey:@"account_proxy_preference"];
        [self setObject:@"udp" forKey:@"account_transport_preference"];
        [self setBool:NO forKey:@"account_outbound_proxy_preference"];
        [self setBool:NO forKey:@"account_avpf_preference"];
        [self setBool:YES forKey:@"account_is_default_preference"];
        [self setBool:YES forKey:@"account_is_enabled_preference"];
        [self setCString:"" forKey:@"account_userid_preference"];
        [self setCString:"" forKey:@"account_mandatory_password_preference"];
        [self setCString:"" forKey:@"ha1_preference"];
        [self setCString:"" forKey:@"ha1_algo_preference"];
        [self setInteger:-1 forKey:@"account_expire_preference"];
        [self setInteger:-1 forKey:@"current_proxy_config_preference"];
        [self setCString:"" forKey:@"account_prefix_preference"];
        [self setBool:NO forKey:@"account_substitute_+_by_00_preference"];
        [self setBool:NO forKey:@"account_ice_preference"];
        [self setCString:"" forKey:@"account_stun_preference"];
    }
 
    if (accountList) {
        account = accountList->data;
        LinphoneAccountParams const *accountParams = linphone_account_get_params(account);
        // root section
        {
            BOOL pushEnabled = linphone_account_params_get_push_notification_allowed(accountParams);
            [self setBool:pushEnabled forKey:@"account_pushnotification_preference"];
 
            const LinphoneAddress *identity_addr = linphone_account_params_get_identity_address(accountParams);
            const char *server_addr = linphone_account_params_get_server_addr(accountParams);
            LinphoneAddress *proxy_addr = linphone_core_interpret_url(LC, server_addr);
            if (identity_addr && proxy_addr) {
                int port = linphone_address_get_port(proxy_addr);
 
                [self setCString:linphone_address_get_username(identity_addr)
                          forKey:@"account_mandatory_username_preference"];
                [self setCString:linphone_address_get_display_name(identity_addr)
                          forKey:@"account_display_name_preference"];
                [self setCString:linphone_address_get_domain(identity_addr)
                          forKey:@"account_mandatory_domain_preference"];
                if (strcmp(linphone_address_get_domain(identity_addr), linphone_address_get_domain(proxy_addr)) != 0 ||
                    port > 0) {
                    char tmp[256] = {0};
                    if (port > 0) {
                        snprintf(tmp, sizeof(tmp) - 1, "%s:%i", linphone_address_get_domain(proxy_addr), port);
                    } else
                        snprintf(tmp, sizeof(tmp) - 1, "%s", linphone_address_get_domain(proxy_addr));
                    [self setCString:tmp forKey:@"account_proxy_preference"];
                }
                const char *tname = "udp";
                switch (linphone_address_get_transport(proxy_addr)) {
                    case LinphoneTransportTcp:
                        tname = "tcp";
                        break;
                    case LinphoneTransportTls:
                        tname = "tls";
                        break;
                    default:
                        break;
                }
                linphone_address_unref(proxy_addr);
                [self setCString:tname forKey:@"account_transport_preference"];
            }
 
            [self setBool:(linphone_account_params_get_routes_addresses(accountParams) != NULL) forKey:@"account_outbound_proxy_preference"];
            [self setBool:linphone_account_is_avpf_enabled(account) forKey:@"account_avpf_preference"];
            [self setBool:linphone_account_params_get_register_enabled(accountParams) forKey:@"account_is_enabled_preference"];
            [self setBool:(linphone_core_get_default_account(LC) == account)
                   forKey:@"account_is_default_preference"];
 
            const LinphoneAuthInfo *ai = linphone_core_find_auth_info(
                LC, NULL, [self stringForKey:@"account_mandatory_username_preference"].UTF8String,
                [self stringForKey:@"account_mandatory_domain_preference"].UTF8String);
            if (ai) {
                [self setCString:linphone_auth_info_get_userid(ai) forKey:@"account_userid_preference"];
                [self setCString:linphone_auth_info_get_passwd(ai) forKey:@"account_mandatory_password_preference"];
                // hidden but useful if provisioned
                [self setCString:linphone_auth_info_get_ha1(ai) forKey:@"ha1_preference"];
                [self setCString:linphone_auth_info_get_algorithm(ai) forKey:@"ha1_algo_preference"];
            }
 
            int idx = (int)bctbx_list_index(linphone_core_get_account_list(LC), account);
            [self setInteger:idx forKey:@"current_proxy_config_preference"];
 
            int expires = linphone_account_params_get_expires(accountParams);
            [self setInteger:expires forKey:@"account_expire_preference"];
 
            LinphoneNatPolicy *policy = linphone_account_params_get_nat_policy(accountParams);
            if (policy) {
                [self setBool:linphone_nat_policy_ice_enabled(policy) forKey:@"account_ice_preference"];
                [self setCString:linphone_nat_policy_get_stun_server(policy) forKey:@"account_stun_preference"];
            }
        }
 
        // call section
        {
            const char *dial_prefix = linphone_account_params_get_international_prefix(accountParams);
            [self setCString:dial_prefix forKey:@"account_prefix_preference"];
            BOOL dial_escape_plus = linphone_account_params_get_dial_escape_plus_enabled(accountParams);
            [self setBool:dial_escape_plus forKey:@"account_substitute_+_by_00_preference"];
        }
    }
}
 
- (void)transformLinphoneCoreToKeys {
    LinphoneManager *lm = LinphoneManager.instance;
 
    // root section
    {
        const bctbx_list_t *accounts = linphone_core_get_account_list(LC);
        size_t count = bctbx_list_size(accounts);
        for (size_t i = 1; i <= count; i++, accounts = accounts->next) {
            NSString *key = [NSString stringWithFormat:@"menu_account_%lu", i];
            LinphoneAccount *account = (LinphoneAccount *)accounts->data;
            [self setCString:linphone_address_get_username(linphone_account_params_get_identity_address(linphone_account_get_params(account)))
                      forKey:key];
        }
 
        [self setBool:linphone_core_video_display_enabled(LC) forKey:@"enable_video_preference"];
        [self setBool:[LinphoneManager.instance lpConfigBoolForKey:@"auto_answer"]
               forKey:@"enable_auto_answer_preference"];
        [self setBool:[lm lpConfigBoolForKey:@"account_mandatory_advanced_preference"]
               forKey:@"account_mandatory_advanced_preference"];
    }
 
    // account section
    { [self transformAccountToKeys:nil]; }
 
    // audio section
    {
        [self transformCodecsToKeys:linphone_core_get_audio_codecs(LC)];
        [self setFloat:linphone_core_get_playback_gain_db(LC) forKey:@"playback_gain_preference"];
        [self setFloat:linphone_core_get_mic_gain_db(LC) forKey:@"microphone_gain_preference"];
        [self setInteger:[lm lpConfigIntForKey:@"codec_bitrate_limit"
                                     inSection:@"audio"
                                   withDefault:kLinphoneAudioVbrCodecDefaultBitrate]
                  forKey:@"audio_codec_bitrate_limit_preference"];
        [self setInteger:[lm lpConfigIntForKey:@"voiceproc_preference" withDefault:1] forKey:@"voiceproc_preference"];
        [self setInteger:[lm lpConfigIntForKey:@"eq_active" inSection:@"sound" withDefault:0] forKey:@"eq_active"];
    }
 
    // video section
    {
        [self transformCodecsToKeys:linphone_core_get_video_codecs(LC)];
 
        const LinphoneVideoPolicy *pol;
        pol = linphone_core_get_video_policy(LC);
        [self setBool:(pol->automatically_initiate) forKey:@"start_video_preference"];
        [self setBool:(pol->automatically_accept) forKey:@"accept_video_preference"];
        [self setBool:linphone_core_self_view_enabled(LC) forKey:@"self_video_preference"];
        BOOL previewEnabled = [lm lpConfigBoolForKey:@"preview_preference" withDefault:YES];
        [self setBool:IPAD && previewEnabled forKey:@"preview_preference"];
 
        const char *preset = linphone_core_get_video_preset(LC);
        [self setCString:preset ? preset : "default" forKey:@"video_preset_preference"];
        MSVideoSize vsize = linphone_core_get_preferred_video_size(LC);
        int index;
        if ((vsize.width == MS_VIDEO_SIZE_720P_W) && (vsize.height == MS_VIDEO_SIZE_720P_H)) {
            index = 0;
        } else if ((vsize.width == MS_VIDEO_SIZE_VGA_W) && (vsize.height == MS_VIDEO_SIZE_VGA_H)) {
            index = 1;
        } else {
            index = 2;
        }
        [self setInteger:index forKey:@"video_preferred_size_preference"];
        [self setInteger:linphone_core_get_preferred_framerate(LC) forKey:@"video_preferred_fps_preference"];
        [self setInteger:linphone_core_get_download_bandwidth(LC) forKey:@"download_bandwidth_preference"];
    }
 
    // call section
    {
        [self setBool:linphone_core_get_use_info_for_dtmf(LC) forKey:@"sipinfo_dtmf_preference"];
        [self setBool:linphone_core_get_use_rfc2833_for_dtmf(LC) forKey:@"rfc_dtmf_preference"];
 
        [self setInteger:linphone_core_get_inc_timeout(LC) forKey:@"incoming_call_timeout_preference"];
        [self setInteger:linphone_core_get_in_call_timeout(LC) forKey:@"in_call_timeout_preference"];
 
        [self setBool:[lm lpConfigBoolForKey:@"repeat_call_notification"]
               forKey:@"repeat_call_notification_preference"];
        [self setBool:linphone_core_is_media_encryption_mandatory(LC) forKey:@"media_encrption_mandatory_preference"];
        [self setBool:[lm lpConfigBoolForKey:@"pref_accept_early_media"]
               forKey:@"pref_accept_early_media_preference"];
    }
 
    // chat section
    {
        [self setCString:linphone_core_get_file_transfer_server(LC) forKey:@"file_transfer_server_url_preference"];
        int maxSize = linphone_core_get_max_size_for_auto_download_incoming_files(LC);
        [self setObject:maxSize==0 ? @"Always" : (maxSize==-1 ? @"Nerver" : @"Customize") forKey:@"auto_download_mode"];
        [self setInteger:maxSize forKey:@"auto_download_incoming_files_max_size"];
        [self setBool:[VFSUtil vfsEnabledWithGroupName:kLinphoneMsgNotificationAppGroupId] forKey:@"vfs_enabled_mode"];
        [self setBool:[lm lpConfigBoolForKey:@"auto_write_to_gallery_preference" withDefault:YES] forKey:@"auto_write_to_gallery_mode"];
        [self setBool:[lm lpConfigBoolForKey:@"ephemeral_feature" withDefault:NO] forKey:@"ephemeral_feature"];
    }
 
    // network section
    {
        LinphoneNatPolicy *np = linphone_core_get_nat_policy(LC);
        [self setBool:[lm lpConfigBoolForKey:@"edge_opt_preference" withDefault:NO] forKey:@"edge_opt_preference"];
        [self setBool:[lm lpConfigBoolForKey:@"wifi_only_preference" withDefault:NO] forKey:@"wifi_only_preference"];
        [self setCString:linphone_nat_policy_get_stun_server(np) forKey:@"stun_preference"];
        [self setBool:linphone_nat_policy_ice_enabled(np) forKey:@"ice_preference"];
        [self setBool:linphone_nat_policy_turn_enabled(np) forKey:@"turn_preference"];
        
        [self setCString:linphone_nat_policy_get_stun_server_username(np)
                  forKey:@"turn_username"];
 
        int random_port_preference = [lm lpConfigIntForKey:@"random_port_preference" withDefault:1];
        [self setInteger:random_port_preference forKey:@"random_port_preference"];
        int port = [lm lpConfigIntForKey:@"port_preference" withDefault:5060];
        [self setInteger:port forKey:@"port_preference"];
        {
            int minPort, maxPort;
            linphone_core_get_audio_port_range(LC, &minPort, &maxPort);
            if (minPort != maxPort)
                [self setObject:[NSString stringWithFormat:@"%d-%d", minPort, maxPort] forKey:@"audio_port_preference"];
            else
                [self setObject:[NSString stringWithFormat:@"%d", minPort] forKey:@"audio_port_preference"];
        }
        {
            int minPort, maxPort;
            linphone_core_get_video_port_range(LC, &minPort, &maxPort);
            if (minPort != maxPort)
                [self setObject:[NSString stringWithFormat:@"%d-%d", minPort, maxPort] forKey:@"video_port_preference"];
            else
                [self setObject:[NSString stringWithFormat:@"%d", minPort] forKey:@"video_port_preference"];
        }
        [self setBool:linphone_core_ipv6_enabled(LC) forKey:@"use_ipv6"];
        LinphoneMediaEncryption menc = linphone_core_get_media_encryption(LC);
        const char *val;
        switch (menc) {
            case LinphoneMediaEncryptionSRTP:
                val = "SRTP";
                break;
            case LinphoneMediaEncryptionZRTP:
                val = "ZRTP";
                break;
            case LinphoneMediaEncryptionDTLS:
                val = "DTLS";
                break;
            case LinphoneMediaEncryptionNone:
                val = "None";
                break;
        }
        [self setCString:val forKey:@"media_encryption_preference"];
        [self setInteger:linphone_core_get_upload_bandwidth(LC) forKey:@"upload_bandwidth_preference"];
        [self setInteger:linphone_core_get_download_bandwidth(LC) forKey:@"download_bandwidth_preference"];
        [self setBool:linphone_core_adaptive_rate_control_enabled(LC) forKey:@"adaptive_rate_control_preference"];
    }
 
    // tunnel section
    if (linphone_core_tunnel_available()) {
        LinphoneTunnel *tunnel = linphone_core_get_tunnel(LC);
        [self setObject:[lm lpConfigStringForKey:@"tunnel_mode_preference" withDefault:@"off"]
                 forKey:@"tunnel_mode_preference"];
        const MSList *configs = linphone_tunnel_get_servers(tunnel);
        if (configs != NULL) {
            LinphoneTunnelConfig *ltc = (LinphoneTunnelConfig *)configs->data;
            [self setCString:linphone_tunnel_config_get_host(ltc) forKey:@"tunnel_address_preference"];
            [self setInteger:linphone_tunnel_config_get_port(ltc) forKey:@"tunnel_port_preference"];
        } else {
            [self setCString:"" forKey:@"tunnel_address_preference"];
            [self setInteger:443 forKey:@"tunnel_port_preference"];
        }
    }
 
    // advanced section
    {
        [self setObject:[lm lpConfigStringForKey:@"debugenable_preference"] forKey:@"debugenable_preference"];
        [self setBool:ANIMATED forKey:@"animations_preference"];
        [self setBool:[lm lpConfigBoolForKey:@"backgroundmode_preference"] forKey:@"backgroundmode_preference"];
        [self setBool:[lm lpConfigBoolForKey:@"start_at_boot_preference"] forKey:@"start_at_boot_preference"];
        [self setBool:[lm lpConfigBoolForKey:@"autoanswer_notif_preference"] forKey:@"autoanswer_notif_preference"];
        [self setBool:[lm lpConfigBoolForKey:@"show_msg_in_notif" withDefault:YES] forKey:@"show_msg_in_notif"];
        [self setBool:[lm lpConfigBoolForKey:@"use_rls_presence" withDefault:YES] forKey:@"use_rls_presence"];
        [self setBool:[lm lpConfigBoolForKey:@"enable_first_login_view_preference"]
               forKey:@"enable_first_login_view_preference"];
        LinphoneAddress *parsed = linphone_core_get_primary_contact_parsed(LC);
        if (parsed != NULL) {
            [self setCString:linphone_address_get_display_name(parsed) forKey:@"primary_displayname_preference"];
            [self setCString:linphone_address_get_username(parsed) forKey:@"primary_username_preference"];
            linphone_address_unref(parsed);
        }
    }
 
    changedDict = [[NSMutableDictionary alloc] init];
 
    // Post event
    NSDictionary *eventDic = [NSDictionary dictionaryWithObject:self forKey:@"settings"];
    [NSNotificationCenter.defaultCenter postNotificationName:kLinphoneLogsUpdate object:self userInfo:eventDic];
}
 
- (void)alertAccountError:(NSString *)error {
    UIAlertController *errView = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Error", nil)
                                                                     message:error
                                                              preferredStyle:UIAlertControllerStyleAlert];
    
    UIAlertAction* defaultAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"OK", nil)
                                                            style:UIAlertActionStyleDefault
                                                          handler:^(UIAlertAction * action) {}];
    
    [errView addAction:defaultAction];
    [PhoneMainView.instance presentViewController:errView animated:YES completion:nil];
}
 
- (void)synchronizeAccounts {
    LOGI(@"Account changed, synchronizing.");
    LinphoneManager *lm = LinphoneManager.instance;
    LinphoneAccount *account = NULL;
    LinphoneAccountParams *newAccountParams = NULL;
    NSString *error = nil;
 
    int port_preference = [self integerForKey:@"port_preference"];
 
    BOOL random_port_preference = [self boolForKey:@"random_port_preference"];
    [lm lpConfigSetInt:random_port_preference forKey:@"random_port_preference"];
    if (random_port_preference) {
        port_preference = -1;
    }
 
    LCSipTransports transportValue = {port_preference, port_preference, -1, -1};
 
    // will also update the sip_*_port section of the config
    if (linphone_core_set_sip_transports(LC, &transportValue)) {
        LOGE(@"cannot set transport");
    }
 
    port_preference = linphone_core_get_sip_port(LC);
    [self setInteger:port_preference forKey:@"port_preference"]; // Update back preference
 
    BOOL enable_ipv6 = [self boolForKey:@"use_ipv6"];
    [lm lpConfigSetBool:enable_ipv6 forKey:@"use_ipv6" inSection:@"sip"];
    LOGD(@"%@ IPV6", enable_ipv6 ? @"ENABLING" : @"DISABLING");
    linphone_core_enable_ipv6(LC, enable_ipv6);
 
    // configure sip account
 
    // mandatory parameters
    NSString *username = [self stringForKey:@"account_mandatory_username_preference"];
    NSString *displayName = [self stringForKey:@"account_display_name_preference"];
    NSString *userID = [self stringForKey:@"account_userid_preference"];
    NSString *domain = [self stringForKey:@"account_mandatory_domain_preference"];
    NSString *transport = [self stringForKey:@"account_transport_preference"];
    NSString *accountHa1 = [self stringForKey:@"ha1_preference"];
    NSString *accountPassword = [self stringForKey:@"account_mandatory_password_preference"];
    NSString *accountAlgoPreference = [self stringForKey:@"ha1_algo_preference"];
    BOOL isOutboundProxy = [self boolForKey:@"account_outbound_proxy_preference"];
    BOOL use_avpf = [self boolForKey:@"account_avpf_preference"];
    BOOL is_default = [self boolForKey:@"account_is_default_preference"];
    BOOL is_enabled = [self boolForKey:@"account_is_enabled_preference"];
    BOOL use_ice = [self boolForKey:@"account_ice_preference"];
    NSString *stun_preference = [self stringForKey:@"account_stun_preference"];
 
    if (username && [username length] > 0 && domain && [domain length] > 0) {
        int expire = [self integerForKey:@"account_expire_preference"];
        BOOL pushnotification = [self boolForKey:@"account_pushnotification_preference"];
        NSString *prefix = [self stringForKey:@"account_prefix_preference"];
        NSString *proxyAddress = [self stringForKey:@"account_proxy_preference"];
 
        if ((!proxyAddress || [proxyAddress length] < 1) && domain) {
            proxyAddress = domain;
        }
 
        if (![proxyAddress hasPrefix:@"sip:"] && ![proxyAddress hasPrefix:@"sips:"]) {
            proxyAddress = [NSString stringWithFormat:@"sip:%@", proxyAddress];
        }
 
        LinphoneAddress *proxy_addr = linphone_core_interpret_url(LC, proxyAddress.UTF8String);
 
        if (proxy_addr) {
            LinphoneTransportType type = LinphoneTransportUdp;
            if ([transport isEqualToString:@"tcp"])
                type = LinphoneTransportTcp;
            else if ([transport isEqualToString:@"tls"])
                type = LinphoneTransportTls;
 
            linphone_address_set_transport(proxy_addr, type);
        }
 
        account = bctbx_list_nth_data(linphone_core_get_account_list(LC),
                                       [self integerForKey:@"current_proxy_config_preference"]);
        
        // if account was deleted, it is not present anymore
        if (account == NULL)
            goto bad_proxy;
 
 
        LinphoneAddress *linphoneAddress = linphone_core_interpret_url(LC, "sip:user@domain.com");
        linphone_address_set_username(linphoneAddress, username.UTF8String);
        if ([LinphoneManager.instance lpConfigBoolForKey:@"use_phone_number" inSection:@"assistant"]) {
            char *user = linphone_account_normalize_phone_number(account, username.UTF8String);
            if (user) {
                linphone_address_set_username(linphoneAddress, user);
                ms_free(user);
            }
        }
        linphone_address_set_domain(linphoneAddress, [domain UTF8String]);
        linphone_address_set_display_name(linphoneAddress, (displayName.length ? displayName.UTF8String : NULL));
        const char *password = [accountPassword UTF8String];
        const char *ha1 = [accountHa1 UTF8String];
 
        newAccountParams = linphone_account_params_clone(linphone_account_get_params(account));
        
        if (linphone_account_params_set_identity_address(newAccountParams, linphoneAddress) == -1) {
            error = NSLocalizedString(@"Invalid username or domain", nil);
            goto bad_proxy;
        }
        // use proxy as route if outbound_proxy is enabled
        if (linphone_account_params_set_server_address(newAccountParams, proxy_addr) == -1) {
            error = NSLocalizedString(@"Invalid proxy address", nil);
            goto bad_proxy;
        }
        if (linphone_account_params_set_routes_addresses(newAccountParams, isOutboundProxy ? bctbx_list_new((void*)proxy_addr) : NULL) == -1) {
            error = NSLocalizedString(@"Invalid route", nil);
            goto bad_proxy;
        }
 
        LinphoneNatPolicy *policy = linphone_account_params_get_nat_policy(newAccountParams) ?: linphone_core_create_nat_policy(LC);
        linphone_nat_policy_enable_stun(policy, use_ice); // We always use STUN with ICE
        linphone_nat_policy_enable_ice(policy, use_ice);
        linphone_nat_policy_set_stun_server(policy, stun_preference.UTF8String);
        linphone_account_params_set_nat_policy(newAccountParams, policy);
 
        if ([prefix length] > 0) {
            linphone_account_params_set_international_prefix(newAccountParams, [prefix UTF8String]);
        }
 
        if ([self objectForKey:@"account_substitute_+_by_00_preference"]) {
            bool substitute_plus_by_00 = [self boolForKey:@"account_substitute_+_by_00_preference"];
            linphone_account_params_set_dial_escape_plus_enabled(newAccountParams, substitute_plus_by_00);
        }
 
        // use empty string "" instead of NULL to avoid being overwritten by default proxy config values
        linphone_account_params_set_push_notification_allowed(newAccountParams, pushnotification);
        linphone_account_params_set_remote_push_notification_allowed(newAccountParams, pushnotification);
 
        linphone_account_params_set_register_enabled(newAccountParams, is_enabled);
        linphone_account_params_set_avpf_mode(newAccountParams, use_avpf);
        linphone_account_params_set_expires(newAccountParams, expire);
        
        linphone_account_set_params(account, newAccountParams);
        linphone_account_params_unref(newAccountParams);
        if (is_default) {
            linphone_core_set_default_account(LC, account);
        } else if (linphone_core_get_default_account(LC) == account) {
            linphone_core_set_default_account(LC, NULL);
        }
 
        LinphoneAuthInfo *proxyAi = (LinphoneAuthInfo *)linphone_account_find_auth_info(account);
        char *realm;
        if (proxyAi) {
            realm = ms_strdup(linphone_auth_info_get_realm(proxyAi));
        } else {
            realm = NULL;
        }
 
        // modify auth info only after finishing editting the proxy config, so that
        // UNREGISTER succeed
        if (proxyAi) {
            linphone_core_remove_auth_info(LC, proxyAi);
        }
        if (strcmp(password,"") == 0) {
            password = NULL;
        }
 
        char *identity = linphone_address_as_string(linphoneAddress);
        LinphoneAddress *from = linphone_core_interpret_url(LC, identity);
        ms_free(identity);
        if (from) {
            const char *userid_str = (userID != nil) ? [userID UTF8String] : NULL;
            LinphoneAuthInfo *info;
            if (password) {
                info = linphone_auth_info_new(linphone_address_get_username(from), userid_str, password, NULL,
                                              linphone_account_params_get_realm(newAccountParams),
                                              linphone_account_params_get_domain(newAccountParams));
            } else {
                info = linphone_auth_info_new_for_algorithm(linphone_address_get_username(from)
                                                            , userid_str
                                                            , NULL
                                                            , ha1
                                                            , realm ? realm : linphone_account_params_get_realm(newAccountParams),
                                              linphone_account_params_get_domain(newAccountParams), [accountAlgoPreference UTF8String]);
            }
 
            linphone_address_unref(from);
            linphone_core_add_auth_info(LC, info);
            linphone_auth_info_destroy(info);
            ms_free(realm);
        }
        
    bad_proxy:
        if (linphoneAddress)
            linphone_address_destroy(linphoneAddress);
            
        // in case of error, show an alert to the user
        if (error != nil) {
            if (newAccountParams != NULL) { // If we get here, then we're also sure that Account != NULL
                
                linphone_account_params_unref(newAccountParams);
            }
            UIAlertController *errView = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Error", nil)
                                                                             message:error
                                                                      preferredStyle:UIAlertControllerStyleAlert];
            
            UIAlertAction* defaultAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"OK", nil)
                                                                    style:UIAlertActionStyleDefault
                                                                  handler:^(UIAlertAction * action) {}];
            
            [errView addAction:defaultAction];
            [PhoneMainView.instance presentViewController:errView animated:YES completion:nil];
        }
        
    }
    // reload address book to prepend proxy config domain to contacts' phone number
    [[LinphoneManager.instance fastAddressBook] fetchContactsInBackGroundThread];
}
 
- (void)synchronizeCodecs:(const MSList *)codecs {
    PayloadType *pt;
    const MSList *elem;
 
    for (elem = codecs; elem != NULL; elem = elem->next) {
        pt = (PayloadType *)elem->data;
        NSString *pref = [LinphoneManager getPreferenceForCodec:pt->mime_type withRate:pt->clock_rate];
        linphone_core_enable_payload_type(LC, pt, [self boolForKey:pref]);
    }
}
 
- (BOOL)synchronize {
    @try {
        LinphoneManager *lm = LinphoneManager.instance;
 
        // root section
        BOOL account_changed = NO;
        for (NSString *key in self->changedDict) {
            if ([key hasPrefix:@"account_"] && [self valueChangedForKey:key]) {
                account_changed = YES;
                break;
            }
        }
        account_changed |= [self valueChangedForKey:@"port_preference"];
        account_changed |= [self valueChangedForKey:@"random_port_preference"];
        account_changed |= [self valueChangedForKey:@"use_ipv6"];
 
        if (account_changed)
            [self synchronizeAccounts];
 
        bool enableVideo = [self boolForKey:@"enable_video_preference"];
        linphone_core_enable_video_capture(LC, enableVideo);
        linphone_core_enable_video_display(LC, enableVideo);
 
        bool enableAutoAnswer = [self boolForKey:@"enable_auto_answer_preference"];
        [LinphoneManager.instance lpConfigSetBool:enableAutoAnswer forKey:@"auto_answer"];
 
        // audio section
        [self synchronizeCodecs:linphone_core_get_audio_codecs(LC)];
 
        float playback_gain = [self floatForKey:@"playback_gain_preference"];
        linphone_core_set_playback_gain_db(LC, playback_gain);
 
        float mic_gain = [self floatForKey:@"microphone_gain_preference"];
        linphone_core_set_mic_gain_db(LC, mic_gain);
 
        [lm lpConfigSetInt:[self integerForKey:@"audio_codec_bitrate_limit_preference"]
                    forKey:@"codec_bitrate_limit"
                 inSection:@"audio"];
 
        BOOL voice_processing = [self boolForKey:@"voiceproc_preference"];
        [lm lpConfigSetInt:voice_processing forKey:@"voiceproc_preference"];
 
        BOOL equalizer = [self boolForKey:@"eq_active"];
        [lm lpConfigSetBool:equalizer forKey:@"eq_active" inSection:@"sound"];
 
        [LinphoneManager.instance configureVbrCodecs];
 
        NSString *au_device = @"AU: Audio Unit Receiver";
        if (!voice_processing)
            au_device = @"AU: Audio Unit NoVoiceProc";
 
        linphone_core_set_capture_device(LC, [au_device UTF8String]);
        linphone_core_set_playback_device(LC, [au_device UTF8String]);
 
        // video section
        [self synchronizeCodecs:linphone_core_get_video_codecs(LC)];
 
        LinphoneVideoPolicy policy;
        policy.automatically_initiate = [self boolForKey:@"start_video_preference"];
        policy.automatically_accept = [self boolForKey:@"accept_video_preference"];
        linphone_core_set_video_policy(LC, &policy);
        linphone_core_enable_self_view(LC, [self boolForKey:@"self_video_preference"]);
        BOOL preview_preference = IPAD && [self boolForKey:@"preview_preference"];
        [lm lpConfigSetInt:preview_preference forKey:@"preview_preference"];
 
        NSString *videoPreset = [self stringForKey:@"video_preset_preference"];
        linphone_core_set_video_preset(LC, [videoPreset UTF8String]);
        MSVideoSize vsize;
        switch ([self integerForKey:@"video_preferred_size_preference"]) {
            case 0:
                MS_VIDEO_SIZE_ASSIGN(vsize, 720P);
                break;
            case 1:
                MS_VIDEO_SIZE_ASSIGN(vsize, VGA);
                break;
            case 2:
            default:
                MS_VIDEO_SIZE_ASSIGN(vsize, QVGA);
                break;
        }
        linphone_core_set_preferred_video_size(LC, vsize);
        if (![videoPreset isEqualToString:@"custom"]) {
            [self setInteger:0 forKey:@"video_preferred_fps_preference"];
            [self setInteger:0 forKey:@"download_bandwidth_preference"];
        }
        linphone_core_set_preferred_framerate(LC, [self integerForKey:@"video_preferred_fps_preference"]);
        linphone_core_set_download_bandwidth(LC, [self integerForKey:@"download_bandwidth_preference"]);
        linphone_core_set_upload_bandwidth(LC, [self integerForKey:@"download_bandwidth_preference"]);
 
        // call section
        linphone_core_set_use_rfc2833_for_dtmf(LC, [self boolForKey:@"rfc_dtmf_preference"]);
        linphone_core_set_use_info_for_dtmf(LC, [self boolForKey:@"sipinfo_dtmf_preference"]);
        linphone_core_set_inc_timeout(LC, [self integerForKey:@"incoming_call_timeout_preference"]);
        linphone_core_set_in_call_timeout(LC, [self integerForKey:@"in_call_timeout_preference"]);
        [lm lpConfigSetString:[self stringForKey:@"voice_mail_uri_preference"] forKey:@"voice_mail_uri"];
        [lm lpConfigSetBool:[self boolForKey:@"repeat_call_notification_preference"] forKey:@"repeat_call_notification"];
        [lm lpConfigSetBool:[self boolForKey:@"pref_accept_early_media_preference"] forKey:@"pref_accept_early_media"];
        linphone_core_set_media_encryption_mandatory(LC, [self boolForKey:@"media_encrption_mandatory_preference"]);
 
        linphone_core_set_file_transfer_server(LC, [self stringForKey:@"file_transfer_server_url_preference"].UTF8String);
        int maxSize;
        NSString *downloadMode = [self stringForKey:@"auto_download_mode"];
        if ([downloadMode isEqualToString:@"Never"]) {
            maxSize = -1;
        } else if ([downloadMode isEqualToString:@"Always"]) {
            maxSize = 0;
        } else {
            maxSize = [[self stringForKey:@"auto_download_incoming_files_max_size"] intValue];
        }
        linphone_core_set_max_size_for_auto_download_incoming_files(LC, maxSize);
        [lm lpConfigSetString:[self stringForKey:@"auto_download_mode"] forKey:@"auto_download_mode"];
        BOOL vfsPrefEnabled = [self boolForKey:@"vfs_enabled_mode"] || [VFSUtil vfsEnabledWithGroupName:kLinphoneMsgNotificationAppGroupId];
        if (vfsPrefEnabled && ![VFSUtil vfsEnabledWithGroupName:kLinphoneMsgNotificationAppGroupId]) {
            if (TARGET_IPHONE_SIMULATOR) {
                LOGW(@"[VFS] Can not active for simulators.");
                [VFSUtil setVfsEnabbledWithEnabled:false groupName:kLinphoneMsgNotificationAppGroupId];
                [self setBool:FALSE forKey:@"vfs_enabled_mode"];
            } else if (![VFSUtil activateVFSForFirstTime:true]) {
                [VFSUtil log:@"[VFS] Error unable to activate ! Warning disabling VFS enabled preference." :OS_LOG_TYPE_ERROR];
                [VFSUtil setVfsEnabbledWithEnabled:false groupName:kLinphoneMsgNotificationAppGroupId];
                [self setBool:FALSE forKey:@"vfs_enabled_mode"];
            } else {
                [VFSUtil setVfsEnabbledWithEnabled:true groupName:kLinphoneMsgNotificationAppGroupId];
                [self setBool:TRUE forKey:@"vfs_enabled_mode"];
            }
        }
        [lm lpConfigSetBool:[self boolForKey:@"auto_write_to_gallery_mode"] forKey:@"auto_write_to_gallery_preference"];
        [lm lpConfigSetBool:[self boolForKey:@"ephemeral_feature"] forKey:@"ephemeral_feature"];
 
        // network section
        BOOL edgeOpt = [self boolForKey:@"edge_opt_preference"];
        [lm lpConfigSetInt:edgeOpt forKey:@"edge_opt_preference"];
 
        BOOL wifiOnly = [self boolForKey:@"wifi_only_preference"];
        [lm lpConfigSetInt:wifiOnly forKey:@"wifi_only_preference"];
 
        LinphoneNatPolicy *LNP = linphone_core_get_nat_policy(LC);
        
        BOOL ice_preference = [self boolForKey:@"ice_preference"];
        linphone_nat_policy_enable_ice(LNP, ice_preference);
        
        linphone_nat_policy_enable_turn(LNP, [self boolForKey:@"turn_preference"]);
        
        NSString *stun_server = [self stringForKey:@"stun_preference"];
        if ([stun_server length] > 0) {
            linphone_nat_policy_set_stun_server(LNP, [stun_server UTF8String]);
            linphone_nat_policy_enable_stun(LNP, ice_preference); /*we always use STUN with ICE*/
            NSString *turn_username = [self stringForKey:@"turn_username"];
            NSString *turn_password = [self stringForKey:@"turn_password"];
 
            if ([turn_username length] > 0) {
                const LinphoneAuthInfo *turnAuthInfo = nil;
                if ([turn_password length] > 0){
                    turnAuthInfo = linphone_auth_info_new([turn_username UTF8String], NULL, [turn_password UTF8String], NULL, NULL, NULL);
                    linphone_core_add_auth_info(LC, turnAuthInfo);
                } else
                    turnAuthInfo = linphone_core_find_auth_info(LC, NULL, [turn_username UTF8String], NULL);
 
                linphone_nat_policy_set_stun_server_username(LNP, [turn_username UTF8String]);
            }
        } else {
            linphone_nat_policy_enable_stun(LNP, FALSE);
            linphone_nat_policy_set_stun_server(LNP, NULL);
        }
        linphone_core_set_nat_policy(LC, LNP);
 
        NSString *audio_port_preference = [self stringForKey:@"audio_port_preference"];
        int audioMinPort, audioMaxPort;
        [LinphoneCoreSettingsStore parsePortRange:audio_port_preference minPort:&audioMinPort maxPort:&audioMaxPort];
        linphone_core_set_audio_port_range(LC, audioMinPort, audioMaxPort);
 
        NSString *video_port_preference = [self stringForKey:@"video_port_preference"];
        int videoMinPort, videoMaxPort;
        [LinphoneCoreSettingsStore parsePortRange:video_port_preference minPort:&videoMinPort maxPort:&videoMaxPort];
        linphone_core_set_video_port_range(LC, videoMinPort, videoMaxPort);
 
        NSString *menc = [self stringForKey:@"media_encryption_preference"];
        if (menc && [menc compare:@"SRTP"] == NSOrderedSame)
            linphone_core_set_media_encryption(LC, LinphoneMediaEncryptionSRTP);
        else if (menc && [menc compare:@"ZRTP"] == NSOrderedSame)
            linphone_core_set_media_encryption(LC, LinphoneMediaEncryptionZRTP);
        else if (menc && [menc compare:@"DTLS"] == NSOrderedSame)
            linphone_core_set_media_encryption(LC, LinphoneMediaEncryptionDTLS);
        else
            linphone_core_set_media_encryption(LC, LinphoneMediaEncryptionNone);
 
        linphone_core_enable_adaptive_rate_control(LC, [self boolForKey:@"adaptive_rate_control_preference"]);
 
        // tunnel section
        if (linphone_core_tunnel_available()) {
            NSString *lTunnelPrefMode = [self stringForKey:@"tunnel_mode_preference"];
            NSString *lTunnelPrefAddress = [self stringForKey:@"tunnel_address_preference"];
            int lTunnelPrefPort = [self integerForKey:@"tunnel_port_preference"];
            LinphoneTunnel *tunnel = linphone_core_get_tunnel(LC);
            LinphoneTunnelMode mode = LinphoneTunnelModeDisable;
            int lTunnelPort = 443;
            if (lTunnelPrefPort)
                lTunnelPort = lTunnelPrefPort;
 
            linphone_tunnel_clean_servers(tunnel);
            if (lTunnelPrefAddress && [lTunnelPrefAddress length]) {
                LinphoneTunnelConfig *ltc = linphone_tunnel_config_new();
                linphone_tunnel_config_set_host(ltc, [lTunnelPrefAddress UTF8String]);
                linphone_tunnel_config_set_port(ltc, lTunnelPort);
                linphone_tunnel_add_server(tunnel, ltc);
 
                if ([lTunnelPrefMode isEqualToString:@"off"])
                    mode = LinphoneTunnelModeDisable;
                else if ([lTunnelPrefMode isEqualToString:@"on"])
                    mode = LinphoneTunnelModeEnable;
                else if ([lTunnelPrefMode isEqualToString:@"auto"])
                    mode = LinphoneTunnelModeAuto;
                else
                    LOGE(@"Unexpected tunnel mode [%s]", [lTunnelPrefMode UTF8String]);
            }
 
            [lm lpConfigSetString:lTunnelPrefMode forKey:@"tunnel_mode_preference"];
            linphone_tunnel_set_mode(tunnel, mode);
        }
 
        // advanced section
        BOOL animations = [self boolForKey:@"animations_preference"];
        [lm lpConfigSetInt:animations forKey:@"animations_preference"];
 
        UIDevice *device = [UIDevice currentDevice];
        BOOL backgroundSupported = [device respondsToSelector:@selector(isMultitaskingSupported)] && [device isMultitaskingSupported];
        BOOL isbackgroundModeEnabled = backgroundSupported && [self boolForKey:@"backgroundmode_preference"];
        [lm lpConfigSetInt:isbackgroundModeEnabled forKey:@"backgroundmode_preference"];
        [lm lpConfigSetInt:[self integerForKey:@"start_at_boot_preference"] forKey:@"start_at_boot_preference"];
        [lm lpConfigSetInt:[self integerForKey:@"autoanswer_notif_preference"] forKey:@"autoanswer_notif_preference"];
        [lm lpConfigSetInt:[self integerForKey:@"show_msg_in_notif"] forKey:@"show_msg_in_notif"];
 
        if ([self integerForKey:@"use_rls_presence"]) {
            [self setInteger:0 forKey:@"use_rls_presence"];
            NSString *rls_uri = [lm lpConfigStringForKey:@"rls_uri" inSection:@"sip" withDefault:@"sips:rls@sip.linphone.org"];
            LinphoneAddress *rls_addr = linphone_address_new(rls_uri.UTF8String);
            const char *rls_domain = linphone_address_get_domain(rls_addr);
            const MSList *accounts = linphone_core_get_account_list(LC);
            if (!accounts) // Enable it if no proxy config for first launch of app
                [self setInteger:1 forKey:@"use_rls_presence"];
            else {
                while (accounts) {
                    const char *proxy_domain = linphone_account_params_get_domain(linphone_account_get_params(accounts->data));
                    if (strcmp(rls_domain, proxy_domain) == 0) {
                        [self setInteger:1 forKey:@"use_rls_presence"];
                        break;
                    }
                    accounts = accounts->next;
                }
            }
            linphone_address_unref(rls_addr);
        }
 
        [lm lpConfigSetInt:[self integerForKey:@"use_rls_presence"] forKey:@"use_rls_presence"];
        linphone_core_enable_friend_list_subscription(LC, [self integerForKey:@"use_rls_presence"]);
 
        BOOL firstloginview = [self boolForKey:@"enable_first_login_view_preference"];
        [lm lpConfigSetInt:firstloginview forKey:@"enable_first_login_view_preference"];
 
        NSString *displayname = [self stringForKey:@"primary_displayname_preference"];
        NSString *username = [self stringForKey:@"primary_username_preference"];
        LinphoneAddress *parsed = linphone_core_get_primary_contact_parsed(LC);
        if (parsed != NULL) {
            linphone_address_set_display_name(parsed, [displayname UTF8String]);
            linphone_address_set_username(parsed, [username UTF8String]);
            char *contact = linphone_address_as_string(parsed);
            linphone_core_set_primary_contact(LC, contact);
            ms_free(contact);
            linphone_address_destroy(parsed);
        }
        [lm lpConfigSetInt:[self integerForKey:@"account_mandatory_advanced_preference"] forKey:@"account_mandatory_advanced_preference"];
 
        changedDict = [[NSMutableDictionary alloc] init];
 
        // Post event
        NSDictionary *eventDic = [NSDictionary dictionaryWithObject:self forKey:@"settings"];
        [NSNotificationCenter.defaultCenter postNotificationName:kLinphoneSettingsUpdate object:self userInfo:eventDic];
 
        return YES;
    } @catch (NSException *exception) {
        // may happen when application is terminated, since we are destroying the core
        if ([exception.name isEqualToString:@"LinphoneCoreException"]) {
            LOGE(@"Core already destroyed, settings not synchronized");
            return NO;
        }
        LOGE(@"Uncaught exception : %@", exception.description);
        abort();
    }
    return NO;
}
 
- (void)removeAccount {
    LinphoneAccount *account = bctbx_list_nth_data(linphone_core_get_account_list(LC),
                                                      [self integerForKey:@"current_proxy_config_preference"]);
    
    const MSList *lists = linphone_core_get_friends_lists(LC);
    while (lists) {
        linphone_friend_list_enable_subscriptions(lists->data, FALSE);
        linphone_friend_list_update_subscriptions(lists->data);
        lists = lists->next;
    }
    BOOL isDefault = (linphone_core_get_default_account(LC) == account);
 
    const LinphoneAuthInfo *ai = linphone_account_find_auth_info(account);
    linphone_core_remove_account(LC, account);
    if (ai) {
        // Friend list unsubscription above is not instantanous, so give a bit of a time margin before finishing the removal of the auth info
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            linphone_core_remove_auth_info(LC, ai);
        });
    }
    [self setInteger:-1 forKey:@"current_proxy_config_preference"];
 
    if (isDefault) {
        // if we removed the default proxy config, set another one instead
        if (linphone_core_get_account_list(LC) != NULL) {
            linphone_core_set_default_account(LC, (LinphoneAccount *)(linphone_core_get_account_list(LC)->data));
        }
    }
    [self transformLinphoneCoreToKeys];
}
@end