diff --git a/README.md b/README.md
index 74e2dae..15edce1 100644
--- a/README.md
+++ b/README.md
@@ -47,30 +47,34 @@
 
 ```text
 nexus-pbx/
+├── install.sh              # Script d'installation automatisé tout-en-un (Debian 12 / 13)
 ├── public/                 # Racine Web Nginx
 │   ├── index.php           # Interface Web SPA moderne
 │   ├── api.php             # API RESTful backend
 │   ├── phonebook.php       # Générateur XML Yealink Remote Phonebook
-│   ├── assets/             # JavaScript (app.js), styles Tailwind CSS
+│   ├── assets/             # Logo, Favicon, JS (app.js), styles Tailwind CSS
 │   └── avatars/            # Photos des contacts de l'annuaire
 ├── src/                    # Classes PHP d'orchestration
 │   ├── AmiClient.php       # Client Asterisk Manager Interface (AMI)
 │   ├── Auth.php            # Authentification & sessions
-│   ├── BackupManager.php   # Moteur de sauvegarde locale & distante SSH
-│   ├── CertificateManager.php # Gestionnaire SSL & Certbot
+│   ├── BackupManager.php   # Moteur Disaster Recovery & sauvegardes
+│   ├── CdrManager.php      # Moteur Journal d'appels & CDR
+│   ├── CertificateManager.php # Gestionnaire SSL & Certbot ACME
 │   ├── ConfigGenerator.php # Générateur dynamique de conf Asterisk (pjsip, extensions)
 │   ├── Database.php        # Connexion PDO SQLite
-│   ├── FirewallManager.php # Moteur Pare-feu & règles Nginx
+│   ├── FirewallManager.php # Moteur Pare-feu Fail2ban & Nginx
 │   ├── PhonebookManager.php # Moteur d'annuaire et export XML
 │   ├── SystemChecker.php   # Diagnostic de santé système
 │   └── SystemMetrics.php   # Monitoring CPU, RAM, Disque, Asterisk
 ├── scripts/                # Scripts CLI et daemons système
-│   ├── setup-debian.sh     # Script d'installation automatisé Debian 12 / 13
-│   ├── nexus-firewall      # Script de gestion iptables/nftables
-│   └── nexus_autobackup.php# Cronjob de sauvegarde automatique
+│   ├── update.sh           # Script de mise à jour OTA (nexus-update)
+│   ├── nexus-firewall      # Outil CLI Pare-feu & Fail2ban
+│   ├── nexus-banner.sh     # Bannière d'accueil interactive SSH/Console
+│   ├── nexus_autobackup.php# Cronjob de sauvegarde automatique
+│   └── voicemail_pass_sync.php # Synchronisation code PIN messagerie vocale
 └── storage/                # Données persistantes (exclues du Git)
     ├── database.sqlite     # Base de données applicative
-    ├── backups/            # Archives de sauvegarde
+    ├── system_backups/     # Archives de sauvegarde Disaster Recovery
     └── sounds/             # Fichiers audio MoH et annonces
 ```
 
diff --git a/scripts/fix.sh b/scripts/fix.sh
deleted file mode 100755
index c2ff8e8..0000000
--- a/scripts/fix.sh
+++ /dev/null
@@ -1,198 +0,0 @@
-#!/usr/bin/env bash
-# ==============================================================================
-# NexusPBX - Script de Réparation Automatique des Permissions & Services
-# ==============================================================================
-
-set -e
-
-if [ "$(id -u)" -ne 0 ]; then
-    echo "[ERREUR] Ce script doit être exécuté en root."
-    exit 1
-fi
-
-echo "-> Correction des répertoires Git et mise à jour..."
-git config --global --add safe.directory /var/www/nexus-pbx 2>/dev/null || true
-cd /var/www/nexus-pbx
-git fetch origin main
-git reset --hard origin/main
-
-echo "-> Installation des dépendances système indispensables (ACL, ffmpeg, rsync, sox, sshpass)..."
-which ffmpeg >/dev/null 2>&1 && which rsync >/dev/null 2>&1 && which setfacl >/dev/null 2>&1 && which sshpass >/dev/null 2>&1 || (apt-get update -y && apt-get install -y --no-install-recommends acl ffmpeg rsync sox sshpass)
-
-echo "-> Création des dossiers et des fichiers de journalisation..."
-mkdir -p /etc/fail2ban/filter.d /etc/asterisk /var/log/asterisk /var/log/asterisk/cdr-csv /var/log/nexus-pbx /var/www/nexus-pbx/storage/backups
-
-touch /var/log/asterisk/messages /var/log/asterisk/security.log /var/log/asterisk/cdr-csv/Master.csv /var/log/nexus_security.log
-chown asterisk:asterisk /var/log/asterisk/messages /var/log/asterisk/security.log /var/log/asterisk/cdr-csv/Master.csv 2>/dev/null || true
-chmod 0664 /var/log/asterisk/messages /var/log/asterisk/security.log /var/log/asterisk/cdr-csv/Master.csv 2>/dev/null || true
-chown www-data:asterisk /var/log/nexus_security.log 2>/dev/null || true
-chmod 0664 /var/log/nexus_security.log 2>/dev/null || true
-
-echo "-> Filtres Fail2ban Nexus-Web..."
-cat << 'EOF' > /etc/fail2ban/filter.d/nexus-web.conf
-[Definition]
-failregex = ^.*\[NEXUS-WEB-AUTH-FAIL\]:\s*<HOST>.*$
-ignoreregex =
-EOF
-chmod 0644 /etc/fail2ban/filter.d/nexus-web.conf
-
-echo "-> Génération et application de /etc/fail2ban/jail.local..."
-php -r '
-require_once "/var/www/nexus-pbx/src/Database.php";
-require_once "/var/www/nexus-pbx/src/FirewallManager.php";
-$st = App\FirewallManager::getSettings();
-App\FirewallManager::generateJailLocal(
-    $st["fail2ban_whitelist_ips"],
-    (int)$st["fail2ban_sip_maxretry"],
-    (int)$st["fail2ban_sip_findtime"],
-    (int)$st["fail2ban_sip_bantime"],
-    (int)$st["fail2ban_web_maxretry"],
-    (int)$st["fail2ban_web_bantime"],
-    (int)$st["admin_https_port"]
-);
-App\FirewallManager::applyNginxConfig((int)$st["admin_https_port"], (int)$st["certbot_strict_port80"]);
-' 2>/dev/null || true
-
-echo "-> Droits applicatifs et ACL POSIX (/etc/asterisk et /var/www/nexus-pbx)..."
-usermod -aG asterisk www-data 2>/dev/null || true
-usermod -aG www-data asterisk 2>/dev/null || true
-
-mkdir -p /var/www/nexus-pbx/public/avatars /var/www/nexus-pbx/storage/sounds /var/www/nexus-pbx/storage/backups /var/www/nexus-pbx/storage/system_backups /etc/letsencrypt /var/log/letsencrypt /var/lib/letsencrypt
-chgrp -R asterisk /etc/letsencrypt 2>/dev/null || true
-chmod -R g+rX /etc/letsencrypt 2>/dev/null || true
-chown -R www-data:asterisk /var/www/nexus-pbx
-chmod 2775 /var/www/nexus-pbx/storage /var/www/nexus-pbx/storage/backups /var/www/nexus-pbx/storage/system_backups /var/www/nexus-pbx/storage/sounds /var/www/nexus-pbx/public/avatars 2>/dev/null || true
-
-touch /etc/asterisk/pjsip.conf \
-      /etc/asterisk/pjsip.custom.conf \
-      /etc/asterisk/extensions.conf \
-      /etc/asterisk/extensions.custom.conf \
-      /etc/asterisk/musiconhold.conf \
-      /etc/asterisk/musiconhold.custom.conf \
-      /etc/asterisk/voicemail.conf \
-      /etc/asterisk/voicemail.custom.conf \
-      /etc/asterisk/modules.conf \
-      /etc/asterisk/rtp.conf \
-      /etc/asterisk/features.conf 2>/dev/null || true
-
-# Désactivation des modules ODBC/IMAP incompatibles sur Debian (évite conflit bloquant app_voicemail)
-if ! grep -q 'noload => app_voicemail_odbc.so' /etc/asterisk/modules.conf 2>/dev/null; then
-    if grep -q '\[modules\]' /etc/asterisk/modules.conf 2>/dev/null; then
-        sed -i '/\[modules\]/a noload => app_voicemail_odbc.so\nnoload => app_voicemail_imap.so' /etc/asterisk/modules.conf 2>/dev/null || true
-    else
-        printf '[modules]\nautoload=yes\nnoload => app_voicemail_odbc.so\nnoload => app_voicemail_imap.so\n' >> /etc/asterisk/modules.conf
-    fi
-fi
-
-# Inclusions Asterisk et configuration messagerie vocale
-if ! grep -q 'pjsip.custom.conf' /etc/asterisk/pjsip.conf 2>/dev/null; then
-    printf '\n#tryinclude "pjsip.custom.conf"\n' >> /etc/asterisk/pjsip.conf
-fi
-if ! grep -q 'extensions.custom.conf' /etc/asterisk/extensions.conf 2>/dev/null; then
-    printf '\n#tryinclude "extensions.custom.conf"\n' >> /etc/asterisk/extensions.conf
-fi
-if ! grep -q 'musiconhold.custom.conf' /etc/asterisk/musiconhold.conf 2>/dev/null; then
-    sed -i 's/^\[default\]/;[default]/' /etc/asterisk/musiconhold.conf 2>/dev/null || true
-    sed -i 's/^mode=files/;mode=files/' /etc/asterisk/musiconhold.conf 2>/dev/null || true
-    sed -i 's/^directory=moh/;directory=moh/' /etc/asterisk/musiconhold.conf 2>/dev/null || true
-    printf '\n#tryinclude "/etc/asterisk/musiconhold.custom.conf"\n' >> /etc/asterisk/musiconhold.conf
-fi
-if ! grep -q 'voicemail.custom.conf' /etc/asterisk/voicemail.conf 2>/dev/null; then
-    sed -i 's/^1234 => 4242/;1234 => 4242/' /etc/asterisk/voicemail.conf 2>/dev/null || true
-    sed -i 's/^;\s*passwordlocation\s*=\s*spooldir/passwordlocation=spooldir/' /etc/asterisk/voicemail.conf 2>/dev/null || true
-    sed -i 's|^;\s*externpassnotify\s*=.*|externpassnotify=/usr/bin/php /var/www/nexus-pbx/scripts/voicemail_pass_sync.php|' /etc/asterisk/voicemail.conf 2>/dev/null || true
-    printf '\n#tryinclude "voicemail.custom.conf"\n' >> /etc/asterisk/voicemail.conf
-fi
-
-mkdir -p /var/lib/asterisk/sounds/custom /var/lib/asterisk/moh /var/spool/asterisk/voicemail/default 2>/dev/null || true
-for lang in fr en es; do
-    if [ -d "/usr/share/asterisk/sounds/$lang" ] && [ ! -e "/var/lib/asterisk/sounds/$lang" ]; then
-        ln -sf "/usr/share/asterisk/sounds/$lang" "/var/lib/asterisk/sounds/$lang" 2>/dev/null || true
-    fi
-    if [ -d "/var/lib/asterisk/sounds/$lang" ] && [ ! -e "/var/lib/asterisk/sounds/$lang/custom" ]; then
-        ln -sf /var/lib/asterisk/sounds/custom "/var/lib/asterisk/sounds/$lang/custom" 2>/dev/null || true
-    fi
-done
-if [ ! -e "/usr/share/asterisk/sounds/custom" ]; then
-    ln -sf /var/lib/asterisk/sounds/custom /usr/share/asterisk/sounds/custom 2>/dev/null || true
-fi
-chown -R asterisk:asterisk /etc/asterisk /var/lib/asterisk /var/spool/asterisk /var/log/asterisk 2>/dev/null || true
-chmod -R 775 /etc/asterisk /var/lib/asterisk/sounds /var/lib/asterisk/moh /var/spool/asterisk /var/log/asterisk 2>/dev/null || true
-chmod 2775 /etc/asterisk /var/lib/asterisk/sounds /var/lib/asterisk/sounds/custom /var/lib/asterisk/moh /var/spool/asterisk /var/spool/asterisk/voicemail /var/log/asterisk /var/log/asterisk/cdr-csv 2>/dev/null || true
-chmod 2750 /etc/asterisk/keys 2>/dev/null || true
-chmod 0664 /etc/asterisk/*.conf /etc/asterisk/*.custom.conf 2>/dev/null || true
-
-setfacl -R -m u:www-data:rwx,g:asterisk:rwx /etc/asterisk /var/lib/asterisk/sounds /var/lib/asterisk/moh /var/spool/asterisk /var/log/asterisk 2>/dev/null || true
-setfacl -R -d -m u:www-data:rwx,g:asterisk:rwx /etc/asterisk /var/lib/asterisk/sounds /var/lib/asterisk/moh /var/spool/asterisk /var/log/asterisk 2>/dev/null || true
-
-chown root:asterisk /etc/fail2ban/jail.local /etc/nginx/sites-available/nexus-pbx 2>/dev/null || true
-chmod 0664 /etc/fail2ban/jail.local /etc/nginx/sites-available/nexus-pbx 2>/dev/null || true
-setfacl -m u:www-data:rw /etc/fail2ban/jail.local /etc/nginx/sites-available/nexus-pbx 2>/dev/null || true
-
-cat << 'EOF' > /etc/sudoers.d/nexus-pbx
-www-data ALL=(ALL) NOPASSWD: /usr/sbin/asterisk, /usr/sbin/nginx, /usr/bin/systemctl, /usr/bin/fail2ban-client, /bin/fail2ban-client, /var/www/nexus-pbx/scripts/nexus-firewall, /usr/bin/certbot, /usr/sbin/nft, /usr/sbin/iptables, /var/www/nexus-pbx/scripts/update.sh, /usr/local/bin/nexus-update
-EOF
-chmod 0440 /etc/sudoers.d/nexus-pbx
-
-echo "-> Autorisation d'écriture systemd pour PHP-FPM (Debian 12/13 ProtectSystem)..."
-for fpm_svc in /lib/systemd/system/php*-fpm.service /usr/lib/systemd/system/php*-fpm.service; do
-    if [ -f "$fpm_svc" ]; then
-        svc_name=$(basename "$fpm_svc")
-        mkdir -p "/etc/systemd/system/${svc_name}.d"
-        cat << 'EOF_OVERRIDE' > "/etc/systemd/system/${svc_name}.d/override.conf"
-[Service]
-ProtectSystem=false
-ReadWritePaths=/etc/asterisk /etc/fail2ban /etc/nginx /var/log /var/lib/asterisk /var/spool/asterisk /var/www /usr/local/bin /etc/sudoers.d
-EOF_OVERRIDE
-    fi
-done
-systemctl daemon-reload
-
-echo "-> Configuration des limites d'upload PHP (512 Mo)..."
-for php_dir in /etc/php/*; do
-    if [ -d "$php_dir/fpm/conf.d" ]; then
-        cat << 'EOF_PHP' > "$php_dir/fpm/conf.d/99-nexus.ini"
-upload_max_filesize = 512M
-post_max_size = 512M
-memory_limit = 512M
-max_execution_time = 300
-max_input_time = 300
-EOF_PHP
-    fi
-    if [ -d "$php_dir/cli/conf.d" ]; then
-        cat << 'EOF_PHP' > "$php_dir/cli/conf.d/99-nexus.ini"
-upload_max_filesize = 512M
-post_max_size = 512M
-memory_limit = 512M
-max_execution_time = 300
-max_input_time = 300
-EOF_PHP
-    fi
-done
-
-echo "-> Génération des configurations Asterisk..."
-php -r '
-require_once "/var/www/nexus-pbx/src/Database.php";
-require_once "/var/www/nexus-pbx/src/ConfigGenerator.php";
-$db = App\Database::getConnection();
-$gen = new App\ConfigGenerator($db);
-$gen->writeAllConfigs();
-' 2>/dev/null || true
-
-echo "-> Redémarrage des services..."
-systemctl daemon-reload
-systemctl restart php*-fpm 2>/dev/null || true
-PHP_SVC=$(systemctl list-unit-files --type=service 2>/dev/null | grep -E "php.*-fpm" | awk '{print $1}' | head -n 1 || echo "")
-if [ -n "$PHP_SVC" ]; then
-    systemctl restart "$PHP_SVC" 2>/dev/null || true
-fi
-systemctl restart asterisk 2>/dev/null || true
-systemctl restart fail2ban 2>/dev/null || true
-systemctl restart nginx 2>/dev/null || true
-
-echo ""
-echo "=========================================================="
-echo " [OK] Réparation terminée ! Toutes les permissions sont actives."
-echo "=========================================================="
-/var/www/nexus-pbx/scripts/nexus-banner.sh --force || true
-
diff --git a/scripts/setup-debian.sh b/scripts/setup-debian.sh
deleted file mode 100755
index 594f06c..0000000
--- a/scripts/setup-debian.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-# Redirection vers le script d'installation principal
-DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
-exec bash "$DIR/install.sh" "$@"
diff --git a/scripts/setup-nexus.sh b/scripts/setup-nexus.sh
deleted file mode 120000
index 36547bd..0000000
--- a/scripts/setup-nexus.sh
+++ /dev/null
@@ -1 +0,0 @@
-setup-debian.sh
\ No newline at end of file