diff --git a/ucp/assets/ucp.js b/ucp/assets/ucp.js
index d384766..a8b8ba8 100644
--- a/ucp/assets/ucp.js
+++ b/ucp/assets/ucp.js
@@ -9,6 +9,7 @@ let ucpState = {
     selectedVmExt: '',
     vmFolderFilter: 'all',
     phonebook: [],
+    selectedPbGroup: '__all__',
     activeTab: 'extensions',
 };
 
@@ -755,12 +756,73 @@ async function loadPhonebook() {
     }
 }
 
+function renderPhonebookGroupTabs(allContacts) {
+    const tabsEl = document.getElementById('ucp-pb-group-tabs');
+    if (!tabsEl) return;
+
+    const counts = {};
+    for (const c of allContacts) {
+        const grp = String(c.group_name || '').trim() || 'Général';
+        counts[grp] = (counts[grp] || 0) + 1;
+    }
+
+    const groups = Object.keys(counts).sort((a, b) => {
+        if (a === 'Général') return -1;
+        if (b === 'Général') return 1;
+        return a.localeCompare(b, 'fr', { sensitivity: 'base' });
+    });
+
+    if (ucpState.selectedPbGroup !== '__all__' && !counts[ucpState.selectedPbGroup]) {
+        ucpState.selectedPbGroup = '__all__';
+    }
+
+    if (groups.length <= 1 && allContacts.length === 0) {
+        tabsEl.innerHTML = '';
+        return;
+    }
+
+    const renderPill = (key, label, count) => {
+        const isActive = ucpState.selectedPbGroup === key;
+        const btnCls = isActive
+            ? 'bg-indigo-600 text-white border-indigo-600 shadow-sm'
+            : 'bg-white hover:bg-slate-50 text-slate-600 border-slate-200 hover:border-slate-300';
+        const badgeCls = isActive
+            ? 'bg-white/20 text-white'
+            : 'bg-slate-100 text-slate-600';
+        return `
+            <button type="button" data-pb-group="${escapeHtml(key)}"
+                class="ucp-pb-group-btn inline-flex items-center gap-1.5 px-3 py-1.5 rounded-xl border text-xs font-semibold transition ${btnCls}">
+                <span>${escapeHtml(label)}</span>
+                <span class="px-1.5 py-0.2 rounded-full text-[10px] font-bold ${badgeCls}">${count}</span>
+            </button>
+        `;
+    };
+
+    tabsEl.innerHTML = [
+        renderPill('__all__', 'Tous', allContacts.length),
+        ...groups.map(g => renderPill(g, g, counts[g])),
+    ].join('');
+
+    tabsEl.querySelectorAll('.ucp-pb-group-btn').forEach(btn => {
+        btn.addEventListener('click', () => {
+            ucpState.selectedPbGroup = btn.getAttribute('data-pb-group') || '__all__';
+            renderPhonebookGrid();
+        });
+    });
+}
+
 function renderPhonebookGrid() {
     const grid = document.getElementById('ucp-pb-grid');
     if (!grid) return;
 
+    const allContacts = ucpState.phonebook || [];
+    renderPhonebookGroupTabs(allContacts);
+
+    const activeGroup = ucpState.selectedPbGroup || '__all__';
     const q = (document.getElementById('ucp-pb-search')?.value || '').trim().toLowerCase();
-    const list = (ucpState.phonebook || []).filter(c => {
+    const list = allContacts.filter(c => {
+        const grp = String(c.group_name || '').trim() || 'Général';
+        if (activeGroup !== '__all__' && grp !== activeGroup) return false;
         if (!q) return true;
         return [c.display_name, c.internal_number, c.mobile_number, c.other_number, c.email, c.group_name]
             .some(v => String(v || '').toLowerCase().includes(q));
diff --git a/ucp/index.php b/ucp/index.php
index d01281a..01af38b 100644
--- a/ucp/index.php
+++ b/ucp/index.php
@@ -388,6 +388,8 @@ $csrfToken   = UcpAuth::getCsrfToken();
                         class="w-full sm:w-72 px-3.5 py-2 rounded-xl bg-white border border-slate-300 text-xs text-slate-900 focus:ring-2 focus:ring-indigo-500/30 focus:border-indigo-500 focus:outline-none">
                 </div>
 
+                <div id="ucp-pb-group-tabs" class="flex flex-wrap items-center gap-2"></div>
+
                 <div id="ucp-pb-grid" class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
                     <div class="ucp-card rounded-2xl p-8 text-center text-sm text-slate-400 col-span-full">Chargement de l'annuaire…</div>
                 </div>
diff --git a/version.json b/version.json
index ea88a57..a5f0fa5 100644
--- a/version.json
+++ b/version.json
@@ -1,9 +1,10 @@
 {
-  "version": "2.6.2",
+  "version": "2.6.3",
   "codename": "Pulsar UCP",
   "release_date": "2026-11-12",
   "min_php_version": "8.2",
   "changelog": [
+    "UI v2.6.3 : onglets dynamiques par groupe (Tous, Général, Paris, New-York...) avec compteurs dans l'Annuaire UCP",
     "Correctif v2.6.2 : sélection stricte de <host> GroundWire (NAT si renseigné, sinon VIP HA si cluster actif, sinon IP locale + port d'écoute local)",
     "UI v2.6.1 : suppression de l'icône smartphone sur les éléments GroundWire et refonte des boutons d'action du tableau Postes (Redémarrer / Modifier / Supprimer)",
     "Nouveauté v2.6.0 : provisionnement dynamique XML Acrobits GroundWire par poste (option Admin « GroundWire XML », deep link mobile provlinkbs:, téléchargement XML signé HMAC sans session, liens App Store / Google Play dans l'UCP)",