Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
439
Default
Blank
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Web UI
Account > Advanced > BLF List Retrieve Call Parked Code
Parameter
phone_setting.auto_blf_list_enable <y0000000000xx>.cfg
Description
It enables or disables the phone to automatically configure the BLF list DSS keys in order.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Parameter
phone_setting.blf_list_sequence_type <y0000000000xx>.cfg
Description
It configures the order of BLF list DSS keys assigned automatically.
Note: It works only if “phone_setting.auto_blf_list_enable” is set to 1 (Enabled). To assign Ext Key,
make sure the expansion module has been connected to the phone in advance.
Permitted
Values
0-linekey > exp1 key > expN key
1-exp1 key > expN key > linekey
2-linekey page1 > page1 from exp1 key to expN key > page2 from exp1 key to expN key > … >
linekey from page2 to page3
3-page1 from exp1 key to expN key > page2 from exp1 key to expN key > … > linekey
Note: N is the number of your connected expansion modules.
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T29G, T27G
Parameter
features.blf_list_version
[2]
<y0000000000xx>.cfg
Description
It enables or disables the phone to include the Version header in the BLF list NOTIFY message sent
by the server.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
[1]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42U/T42G/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T33P/T33G, X=1-4; for
T40P/T40G/T23P/T23G, X=1-3; for T31P/T31G/T31/T21(P) E2, X=1-2.
[2]
If you change this parameter, the phone will reboot to make the change take effect.
State Indicator of Remote Line
The state indicator of the monitored line on BLF/BLF List key varies by phone models.
The following table shows the LED/icons indicator associated with the line you are monitoring.

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