Yealink SIP-T21 E2 Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Status field.
3. Enter the VLAN ID (1-4094) in the VID Number field.
4. Enter the priority value (0-7) in the Priority field.
5. Press the Save soft key to accept the change.
A dialog box pops up to prompt that the settings will take effect after a reboot.
6. Click OK to reboot the phone.
DHCP VLAN
IP phones support VLAN discovery via DHCP. When the VLAN Discovery method is set to
DHCP, the IP phone will examine DHCP option for a valid VLAN ID. The predefined option 132
is used to supply the VLAN ID by default. You can customize the DHCP option used to request
the VLAN ID.
Procedure
DHCP VLAN can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure DHCP VLAN discovery
feature.
Parameters:
static.network.vlan.dhcp_enable
static.network.vlan.dhcp_option
Web User Interface
Configure DHCP VLAN discovery
feature.
Navigate to:
http://<phoneIPAddress>/servlet?p=
network-adv&q=load
Phone User Interface
Configure DHCP VLAN discovery
feature.
Details of Configuration Parameters:
Parameters
Permitted Values
Default
static.network.vlan.dhcp_enable
0 or 1
1
Description:
Enables or disables DHCP VLAN discovery feature on the IP phone.
0-Disabled
1-Enabled
Note: If you change this parameter, the IP phone will reboot to make the change take

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English