Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
299
Web UI
Account > Register > Label
Phone UI
Menu > Settings > Advanced Settings (default password: admin) > Accounts > Label
[1]
X is the PSTN account ID. X= 1 to 2.
Registration Settings Configuration
The following table lists the parameters you can use to change the registration settings.
Parameter
account.X.enable_user_equal_phone
[1]
<MAC>.cfg
Description
It enables or disables the phone to add “user=phone” to the SIP header of the INVITE message.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > Send user=phone
Parameter
account.X.register_mac
[1]
<MAC>.cfg
Description
It enables or disables the phone to add MAC address to the SIP header of the REGISTER message.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > SIP Send MAC
Parameter
account.X.register_line
[1]
<MAC>.cfg
Description
It enables or disables the phone to add a line number to the SIP header of the REGISTER message.
For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G: 0~15 stand for line1~line16;
For T53W/T53/T43U/T42U/T42S/T42G: 0~11 stand for line1~line12;
For T41P/T41S/T27G: 0~5 stand for line1~line6;
For T33P/T33G: 0~3 stand for line1~line4;
For T40P/T40G/T23P/T23G: 0~2 stand for line1~line3;
For T31P/T31G/T31/T21(P) E2: 0~1 stand for line1~line2;
For T30P/T30/T19(P) E2/CP920: 0 stands for line1.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > SIP Send Line
Parameter
account.X.contact_take_line_param
[1]
<MAC>.cfg
Description
It enables or disables the phone to carry the line parameter in the Contact header of the Register mes-
sage.
Permitted
Values
0-Disabled
1-Enabled
Default
0

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