Yealink T21PE2 User Manual

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Menu->Settings->Advanced Settings (default password: admin) ->Network->VLAN->DHCP VLAN-
>DHCP VLAN
Parameter
static.network.vlan.dhcp_option
[1]
<y0000000000xx>.cfg
Description
It configures the DHCP option from which the IP phone will obtain the VLAN settings.
You can configure at most five DHCP options and separate them by commas.
Example:
static.network.vlan.dhcp_option = 132,138,123,136,145
Permitted Val-
ues
Integer from 1 to 255
Default 132
Web UI Network->Advanced->VLAN->DHCP VLAN->Option (1-255)
Phone UI
T54S/T52S/T48S/T48G/T46S/T46G/T29G:
Menu->Advanced (default password: admin) ->Network->VLAN->DHCP VLAN->Option
T42G/T42S/T41P/T41S/T40P/T40G/T27G/T23P/T23G/T21(P) E2/T19(P) E2/CP920:
Menu->Settings->Advanced Settings (default password: admin) ->Network->VLAN->DHCP VLAN-
>Option
[1]
If you change this parameter, the IP phone will reboot to make the change take effect.
VLAN Setting Configuration
The following table lists the parameter you can use to configure VLAN setting.
Parameter
static.network.vlan.vlan_change.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the IP phone to obtain VLAN ID using lower preference of VLAN assignment method
or to close the VLAN feature when the IP phone cannot obtain VLAN ID using the current VLAN assign-
ment method.
The priority of each method is: LLDP/CDP>Manual>DHCP VLAN.
Permitted
Values
0-Disabled
1-Enabled, the IP phone will attempt to use the lower priority method when failing to obtain the VLAN ID
using higher priority method. If all the methods are attempted, the phone will disable VLAN feature.
Default 0
[1]
If you change this parameter, the IP phone will reboot to make the change take effect.
Wi-Fi
Wi-Fi feature enables you to connect the phones to the organization’s wireless network. The wireless network is more
convenient and cost-effective than the wired network. Wi-Fi feature is only applicable to
T54S/T52S/T48S/T48G/T46S/T46G/T42S/T41S/T29G/T27G/CP920 IP phones.
When the Wi-Fi feature is enabled, the IP phone will automatically scan the available wireless networks. All the avail-
able wireless networks will display in scanning list on the phone screen. You can store up to 5 frequently used wireless
networks on your phone and specify the priority for them.

Yealink T21PE2 Specifications

General

Brand	Yealink
Model	T21PE2
Category	IP Phone
Language	English