Yealink SIP-T31G Administrator's Guide

Phone Customization
258
To assign function types, specify line key type IDs which start with or without a symbol ”+”. For
example, “+2,15,16,7,4” or “2,15,16,7,4” means only “N/A”, “Forward”, “Line”, “BLF”, “Recall”, “Hold”
types are available when you configure line keys.
To remove a function type, specify line key type IDs which start with the symbol “-”. For example, “-14,
5, 2” means to remove “Intercom”, “DND”, “Forward” types from the line key types list. These line key
types are not available when you configure line keys.
Note: Multiple line key type IDs are separated by commas. “N/A” type is always kept.
Permitted
Values
Blank or 0 (all valid function types are available); line key type IDs. For supported line key types and
IDs, refer to Supported Dsskey Types.
Default
Blank
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Parameter
linekey.X.type
[1]
<y0000000000xx>.cfg
Descrip-
tion
It configures the key feature.
Permitted
Values
0-N/A
1-Conference
2-Forward
3-Transfer
4-Hold
5-DND
7-Recall
8-SMS
9-Pickup(pick
up/Direct Pickup)
10-Call Park
11-DTMF
12-Voice Mail
13-SpeedDial
(Speed Dial)
14-Intercom
15-Line
16-BLF
17-URL
18-Group Listening
20-Private Hold
22-XML Group
23-Group Pickup
24-Paging(Multicast
Paging)
25-Record
27-XML Browser
34-Hot Desking
35-URL Record
38-LDAP (only appear when “ldap.enable=1”)
39-BLF List
40-Prefix
41-Zero Touch
42-ACD
45-Local Group
50-Phone Lock
56-Retrieve Park
61-Directory
66-Paging List
73-Custom Key (only available when “fea-
tures.enhanced_dss_keys.enable=1”)
77-Mobile Account (only applicable to
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U phones
when the Bluetooth-enabled mobile phone is connected)
104-Google Contacts (only appear when “google_con-
tact_server.enable = 1”)
105-XML Park (not applicable to CP920 phones)
150-Extend (only applicable to
T54W/T53W/T53/T46U/T46S/T43U/T42S/T42U/T41S/T2-
7G phones)
310-Dect Intercom (only applicable to
T57W/T54W/T53W/T53 phones when the DECT USB
dongle is connected)
Note: The permitted values are configurable by “linekey.type_range.custom”.
Default
15
T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G: X= 1-16;
T53W/T53/T43U/T42U/T42S/T42G: X = 1-12;

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