3Com Switch 7750 Configuration Guide

112 CHAPTER 12: VOICE VLAN CONFIGURATION
Voice Vlan aging time: 1440 minutes
Current voice vlan enabled port mode:
PORT MODE STATUS Voice Vlan ID
--------------------------------------------------------------------
Ethernet2/0/3 MANUAL ENABLE 3
# Remove Ethernet2/0/3 port from the voice VLAN.
[SW7750] interface Ethernet2/0/3
[SW7750-Ethernet2/0/3] undo port trunk permit vlan 3