Voice Vlan

-Voice VLAN feature enables access ports to carry IP voice traffic from an IP Phone
-switch can connect to IP Phone to carry IP voice traffic
-The Cisco IP Phone contains an integrated three-port 10/100 switch

Voice VLAN-Configuration
Vlan 10= Data
Vlan 20=VOICE

Switch(config)#vlan 10 
Switch(config-vlan)#name DATA
Switch(config-vlan)#exit

Switch(config)#vlan 10 
Switch(config-vlan)#name VOICE
Switch(config-vlan)#exit

Simple Voice VLAN Configuration

Switch(config)#int f0/1
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 10
Switch(config-if)#exit