diff --git a/CLAUDE.md b/CLAUDE.md
index e1c459d..b4d4739 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -43,7 +43,7 @@ bun test                 # 8 tests unitaires socketio-adapter
 - **Sessions webview isolées** : partition Electron unique par centre, auto-connexion via preload script
 - **Socket.IO reconnexion** : illimitée (2s→10s backoff)
 - **IPC principal** : `login-agent`, `get-terminal-list`, `server-status`, `switch-to-center`, `release-center`
-- **Protocole serveur** : auth au handshake, events `login_ok`/`login_error`/`ipbx_event`/`logout`→`logout_ok`
+- **Protocole serveur** : auth au handshake, events `login_ok`/`login_error`/`call_event`/`logout`→`logout_ok` (champs snake_case : `event_code`, `queue_name`, `terminal`)
 - **Terminaux** : REST `GET /terminals?provider=RDVPREM` (pas Socket.IO)
 - **Logs** : `~/.simpleconnect-ng/socketio.log`
 - **Notes** : sauvegarde auto après 2s d'inactivité, 50 versions, sync localStorage + fichier
diff --git a/main.js b/main.js
index 18dc6a1..eff2f86 100644
--- a/main.js
+++ b/main.js
@@ -208,19 +208,19 @@ function handleCallPickedUp(event) {
   if (!mainWindow || !agentConnectionInfo) return;
 
   const centres = processApplicationUrls(agentConnectionInfo.connList);
-  const centre = centres.find(c => c.queueName === event.queueName);
+  const centre = centres.find(c => c.queueName === event.queue_name);
 
   if (centre) {
     log(`Basculement vers le centre: ${centre.nom}`);
     mainWindow.webContents.send('switch-to-center', {
       centreId: centre.id,
       centreName: centre.nom,
-      queueName: event.queueName,
+      queue_name: event.queue_name,
       terminal: event.terminal,
       eventType: 'call_pickup'
     });
   } else {
-    log(`${c.yellow}Aucun centre trouvé pour la file: ${event.queueName}${c.reset}`);
+    log(`${c.yellow}Aucun centre trouvé pour la file: ${event.queue_name}${c.reset}`);
   }
 }
 
@@ -228,9 +228,9 @@ function handleCallPickedUp(event) {
 function handleCallHungUp(event) {
   if (!mainWindow) return;
 
-  log(`Fin d'appel sur la file: ${event.queueName}`);
+  log(`Fin d'appel sur la file: ${event.queue_name}`);
   mainWindow.webContents.send('release-center', {
-    queueName: event.queueName,
+    queue_name: event.queue_name,
     terminal: event.terminal,
     eventType: 'call_hangup'
   });
@@ -245,9 +245,9 @@ function setupEventHandlers() {
     serviceProvider: config.socketio.serviceProvider
   });
 
-  // Ecouter les evenements d'appels IPBX
-  adapter.on('ipbx_event', (data) => {
-    log('ipbx_event recu', data);
+  // Ecouter les evenements d'appels IPBX (contrat snake_case du serveur)
+  adapter.on('call_event', (data) => {
+    log('call_event recu', data);
 
     if (!agentConnectionInfo) return;
 
@@ -257,7 +257,7 @@ function setupEventHandlers() {
       return;
     }
 
-    switch (data.eventCode) {
+    switch (data.event_code) {
       case 1:
         handleCallPickedUp(data);
         break;
diff --git a/renderer.js b/renderer.js
index 8fb95bb..835e214 100644
--- a/renderer.js
+++ b/renderer.js
@@ -153,7 +153,7 @@ document.addEventListener('DOMContentLoaded', async () => {
     
     // Écouter la libération de centre après raccrochage
     ipcRenderer.on('release-center', (event, data) => {
-        console.log('Libération de la file:', data.queueName);
+        console.log('Libération de la file:', data.queue_name);
         
         // Mettre à jour le statut
         updateAgentStatus('DISPONIBLE');
diff --git a/socketio-adapter.test.js b/socketio-adapter.test.js
index 9838eb1..0a68db8 100644
--- a/socketio-adapter.test.js
+++ b/socketio-adapter.test.js
@@ -128,4 +128,63 @@ describe("SocketIOAdapter", () => {
 
     expect(states).toEqual(["connecting", "connected", "reconnecting", "connected"]);
   });
+
+  test("on('call_event') recoit les champs snake_case du serveur", async () => {
+    const received = [];
+    adapter.on('call_event', (data) => received.push(data));
+
+    const p = adapter.connect("1234", "pass", "2001");
+    socket._fire("login_ok", { accessCode: "1234" });
+    await p;
+
+    // Le serveur envoie un call_event avec champs snake_case
+    socket._fire("call_event", {
+      event_code: 1,
+      queue_name: "FILE_CENTRE_A",
+      terminal: "2001",
+    });
+
+    expect(received).toHaveLength(1);
+    expect(received[0].event_code).toBe(1);
+    expect(received[0].queue_name).toBe("FILE_CENTRE_A");
+    expect(received[0].terminal).toBe("2001");
+  });
+
+  test("on('call_event') enregistré avant connect() est dispatché après connexion", async () => {
+    const received = [];
+    // Enregistrer le handler AVANT connect (comme le fait main.js)
+    adapter.on('call_event', (data) => received.push(data));
+
+    const p = adapter.connect("1234", "pass", "2001");
+    socket._fire("login_ok", { accessCode: "1234" });
+    await p;
+
+    // Le serveur envoie un call_event
+    socket._fire("call_event", {
+      event_code: 2,
+      queue_name: "FILE_CENTRE_B",
+      terminal: "2001",
+    });
+
+    expect(received).toHaveLength(1);
+    expect(received[0].event_code).toBe(2);
+    expect(received[0].queue_name).toBe("FILE_CENTRE_B");
+  });
+
+  test("off('call_event') supprime le handler", async () => {
+    const received = [];
+    adapter.on('call_event', (data) => received.push(data));
+
+    const p = adapter.connect("1234", "pass", "2001");
+    socket._fire("login_ok", { accessCode: "1234" });
+    await p;
+
+    // Supprimer le handler
+    adapter.off('call_event');
+
+    // L'event ne devrait plus être capté
+    socket._fire("call_event", { event_code: 1, queue_name: "FILE", terminal: "2001" });
+
+    expect(received).toHaveLength(0);
+  });
 });