diff --git a/inventories/clients/voice1/hosts.yml b/inventories/clients/voice1/hosts.yml
index d50f559..b082a68 100644
--- a/inventories/clients/voice1/hosts.yml
+++ b/inventories/clients/voice1/hosts.yml
@@ -14,6 +14,47 @@ all:
     human_estimate_seconds: 2700
 
   children:
+    # This group represents the Proxmox cluster for the VOICE1 client. It
+    # includes all three Proxmox nodes and defines cluster-wide variables
+    # such as API credentials, cluster mode, and maintenance settings.
+    proxmox_cluster:
+      vars:
+        hypervisor_type: proxmox
+        api_host: 10.189.42.22
+        api_port: 8006
+        api_user: "ansible@pve"
+        api_token_id: "ansible-token"
+        api_token_secret: "02668150-9ee3-49fa-ab2c-f3389d0639db"
+        cluster_mode: cluster
+        ceph_enabled: true
+        shared_storage: false
+        live_migrate_fallback: shutdown
+        upgrade_order:
+          - pve-02
+          - pve-03
+          - pve-04
+        migrate_exclude_tags:
+          - nomigrate
+          - pinned
+        ansible_user: root
+        ansible_become: false
+        pve_config_backup_destinations:
+          - type: local
+            path: /var/backups/pve-config
+            keep: 10
+
+      hosts:
+        pve-02:
+          ansible_host: 10.189.42.22
+        pve-03:
+          ansible_host: 10.189.42.23
+        pve-04:
+          ansible_host: 10.189.42.24
+
+    # Workloads (vms and containers) are organized into separate groups
+    # based on their operating system type. This allows for OS-specific
+    # variables and configurations to be applied to each group, such as
+    # connection settings and user accounts.
     linux_hosts:
       hosts: {}
       vars: