Yealink SIP-T21 E2 Administrator's Guide

Setting Up Your System
57
static.network.primary_dns
static.network.secondary_dns
Web User Interface
Configure network parameters of the IP phone
manually.
Navigate to:
http://<phoneIPAddress>/servlet?p=network&
q=load
Phone User Interface
Configure network parameters of the IP phone
manually.
Details of Configuration Parameters:
Parameters
Permitted Values
Default
static.network.internet_port.type
0 or 2
0
Description:
Configures the Internet port type for IPv4.
0-DHCP
2-Static IP Address
Note: It works only if the value of the parameter “static.network.ip_address_mode” is set to
0 (IPv4) or 2 (IPv4 & IPv6). If you change this parameter, the IP phone will reboot to make
the change take effect.
Web User Interface:
Network->Basic->IPv4 Config
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->WAN Port->IPv4->Type
static.network.ip_address_mode
0, 1 or 2
0
Description:
Configures the IP address mode.
0-IPv4
1-IPv6
2-IPv4 & IPv6
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Network->Basic->Internet Port->Mode(IPv4/IPv6)
Phone User Interface:

Yealink SIP-T21 E2 Specifications

General

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