# Display the states of voice VLANs.
<RouterA> display voice vlan state
Maximum of Voice VLANs: 16
Current Voice VLANs: 1
Voice VLAN security mode: Security
Voice VLAN aging time: 1440 minutes
Voice VLAN enabled port and its mode:
PORT
-------------------------------------------------------
GigabitEthernet4/0/1
VLAN
MODE
2
MANUAL
129