Yealink SIP-T31G Administrator's Guide

Network Configurations
39
7 is the highest priority, 0 is the lowest priority.
Note: It works only if “static.network.pc_port.enable” is set to 1 (Auto Negotiation) and “stat-
ic.network.vlan.pc_port_enable” is set to 1 (Enabled).
Permitted
Values
Integer from 0 to 7
Default
0
Supported
Devices
All phones except CP920
Web UI
Network > Advanced > VLAN > PC Port > Priority
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > VLAN > PC Port > Priority
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > VLAN > PC Port > Pri-
ority
[1]
If you change this parameter, the phone will reboot to make the change take effect.
DHCP VLAN Configuration
When the VLAN discovery method is set to DHCP, the phone examines the DHCP option for a valid VLAN ID. You
can customize the DHCP option used to request the VLAN ID.
The following table lists the parameters you can use to configure DHCP VLAN discovery.
Parameter
static.network.vlan.dhcp_enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the DHCP VLAN discovery feature.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Web UI
Network > Advanced > VLAN > DHCP VLAN > Active
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > VLAN > DHCP VLAN > DHCP VLAN
Black-and-white Screen Phones:
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 phone will obtain the VLAN settings.
Multiple DHCP options (at most five) are separated by commas.
Permitted
Values
Integer from 1 to 255
Default
132
Web UI
Network > Advanced > VLAN > DHCP VLAN > Option (1-255)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > VLAN > DHCP VLAN > Option

Yealink SIP-T31G Specifications

General

Mounting kit	Yes
Number of handles included	1 pc(s)
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	3 W
Lines quantity	2 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	2
Sustainability certificates	RoHS, REACH
Networking standards	IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	188 mm
Height	162 mm
Package depth	210 mm
Package width	213 mm
Package height	103 mm