diff --git a/public/assets/app.js b/public/assets/app.js
index 987232e..0f24c9d 100644
--- a/public/assets/app.js
+++ b/public/assets/app.js
@@ -2561,14 +2561,30 @@ function openOutboundRouteModal(route = null) {
     const recMode = route ? route.record_mode : 'dontcare';
     form.querySelectorAll('input[name="record_mode"]').forEach(r => r.checked = (r.value === recMode));
 
-    // Destination sur congestion
+    // Destination sur congestion / Trunks indisponibles
     const congSel = document.getElementById('ob-congestion-dest-select');
     if (congSel) {
-        congSel.innerHTML = `
-            <option value="terminate-congestion" ${(!route || route.congestion_dest === 'terminate-congestion') ? 'selected' : ''}>Congestion (Tonalité réseau saturé)</option>
-            <option value="terminate-busy" ${route?.congestion_dest === 'terminate-busy' ? 'selected' : ''}>Busy (Occupation définitive)</option>
-            <option value="terminate-hangup" ${route?.congestion_dest === 'terminate-hangup' ? 'selected' : ''}>Hangup (Raccrocher)</option>
+        const curCong = route ? route.congestion_dest : 'all-circuits-busy';
+        let congOpts = `
+            <optgroup label="📢 Messages Vocaux (Recommandé)">
+                <option value="all-circuits-busy" ${(curCong === 'all-circuits-busy' || (!route && curCong !== 'terminate-congestion')) ? 'selected' : ''}>📢 Message vocal standard (« Toutes les lignes sont occupées »)</option>
         `;
+        const annSounds = (appState.sounds || []).filter(s => s.usage_type !== 'moh');
+        if (annSounds.length > 0) {
+            annSounds.forEach(s => {
+                const val = `sound-${s.id}`;
+                congOpts += `<option value="${val}" ${curCong === val ? 'selected' : ''}>🎙️ Annonce : ${escapeHtml(s.name)}</option>`;
+            });
+        }
+        congOpts += `
+            </optgroup>
+            <optgroup label="📴 Tonalités & Raccrochage">
+                <option value="terminate-congestion" ${curCong === 'terminate-congestion' ? 'selected' : ''}>Tonalité de Congestion (Bip rapide réseau saturé)</option>
+                <option value="terminate-busy" ${curCong === 'terminate-busy' ? 'selected' : ''}>Tonalité d'Occupation (Bip occupé)</option>
+                <option value="terminate-hangup" ${curCong === 'terminate-hangup' ? 'selected' : ''}>Raccrocher immédiatement</option>
+            </optgroup>
+        `;
+        congSel.innerHTML = congOpts;
     }
 
     // Musique d'attente (MOH)
@@ -2576,7 +2592,7 @@ function openOutboundRouteModal(route = null) {
     if (mohSel) {
         const curMoh = route ? (route.moh_class || 'default') : 'default';
         const mohSounds = (appState.sounds || []).filter(s => s.usage_type === 'moh');
-        let mohOpts = `<option value="default" ${curMoh === 'default' ? 'selected' : ''}>Défaut (Standard)</option>`;
+        let mohOpts = `<option value="default" ${curMoh === 'default' ? 'selected' : ''}>🌐 Hériter du Trunk / Global (Recommandé)</option>`;
         mohSounds.forEach(s => {
             const sSlug = slugifyTrunkName(s.site_category || 'global');
             const cName = (sSlug === 'global' || sSlug === 'default') ? 'default' : `moh-${sSlug}`;
diff --git a/public/index.php b/public/index.php
index 455ec44..06a9660 100644
--- a/public/index.php
+++ b/public/index.php
@@ -3102,7 +3102,7 @@ $currentUser = Auth::getUsername();
                             <select id="ob-musicclass-select" name="moh_class" class="w-full px-3 py-2 rounded-lg bg-anthracite-900 border border-anthracite-700 text-xs text-white"></select>
                         </div>
                         <div>
-                            <label class="block text-xs font-medium text-slate-200 mb-1">Destination sur Congestion <span class="text-slate-400">(Échec total)</span></label>
+                            <label class="block text-xs font-medium text-slate-200 mb-1">📢 Si Trunks indisponibles <span class="text-slate-400">(Échec / Congestion)</span></label>
                             <select id="ob-congestion-dest-select" name="congestion_dest" class="w-full px-3 py-2 rounded-lg bg-anthracite-900 border border-anthracite-700 text-xs text-white"></select>
                         </div>
                     </div>
diff --git a/src/ConfigGenerator.php b/src/ConfigGenerator.php
index f5c8143..16dc99d 100644
--- a/src/ConfigGenerator.php
+++ b/src/ConfigGenerator.php
@@ -1240,6 +1240,24 @@ class ConfigGenerator
         $lines[] = " same => n,Congestion(20)";
         $lines[] = " same => n,Hangup()";
         $lines[] = "";
+        $lines[] = "exten => all-circuits-busy,1,NoOp(Terminate Call: Message vocal toutes les lignes sont occupees)";
+        $lines[] = " same => n,Answer()";
+        $lines[] = " same => n,Playback(all-circuits-busy-now)";
+        $lines[] = " same => n,Congestion(10)";
+        $lines[] = " same => n,Hangup()";
+        $lines[] = "";
+        $lines[] = "exten => _play-custom-.,1,NoOp(Terminate Call: Lecture annonce personnalisee \${EXTEN:12})";
+        $lines[] = " same => n,Answer()";
+        $lines[] = " same => n,Playback(custom/\${EXTEN:12})";
+        $lines[] = " same => n,Congestion(10)";
+        $lines[] = " same => n,Hangup()";
+        $lines[] = "";
+        $lines[] = "exten => _play-.,1,NoOp(Terminate Call: Lecture annonce systeme \${EXTEN:5})";
+        $lines[] = " same => n,Answer()";
+        $lines[] = " same => n,Playback(\${EXTEN:5})";
+        $lines[] = " same => n,Congestion(10)";
+        $lines[] = " same => n,Hangup()";
+        $lines[] = "";
         $lines[] = "exten => zapateller,1,NoOp(Terminate Call: Tonalite SIT Anti-Robot)";
         $lines[] = " same => n,Answer()";
         $lines[] = " same => n,Zapateller()";
@@ -2130,6 +2148,9 @@ class ConfigGenerator
         if ($dest === 'congestion' || $dest === 'terminate-congestion') {
             return 'Goto(app-terminate,congestion,1)';
         }
+        if ($dest === 'all-circuits-busy' || $dest === 'voice-all-circuits-busy') {
+            return 'Goto(app-terminate,all-circuits-busy,1)';
+        }
         if ($dest === 'zapateller' || $dest === 'terminate-zapateller') {
             return 'Goto(app-terminate,zapateller,1)';
         }
@@ -2160,7 +2181,8 @@ class ConfigGenerator
         if (str_starts_with($dest, 'sound-')) {
             $snd = $this->resolveSoundFile(substr($dest, 6));
             if ($snd !== '') {
-                return "Playback({$snd})";
+                $safeTarget = str_replace('/', '-', $snd);
+                return "Goto(app-terminate,play-{$safeTarget},1)";
             }
             return 'Goto(app-terminate,hangup,1)';
         }
diff --git a/src/Database.php b/src/Database.php
index 576305f..cfd3f25 100644
--- a/src/Database.php
+++ b/src/Database.php
@@ -639,7 +639,7 @@ class Database
                 ':agroups'      => json_encode($grps),
                 ':aexts'        => json_encode($exts),
                 ':cont'         => 1,
-                ':cdest'        => 'terminate-busy',
+                ':cdest'        => 'all-circuits-busy',
                 ':rec'          => 'dontcare',
             ]);