change event name

src/notifications/notification.service.ts

@@ -12,7 +12,7 @@ export class NotificationService {
     return await this.socketGateway.handleSendMessage({
       clientsId: [notificationData.telephone_id],
       message: JSON.stringify(notificationData),
-      event: 'answer',
+      event: 'call',
     });
   }
 }