Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
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SCA Configuration
The following table lists the parameters you can use to configure SCA.
Parameter
account.X.shared_line
[1]
<MAC>.cfg
Description
It configures the registration line type.
Permitted
Values
0-Disabled
1-Shared Call Appearance
Default
0
Web UI
Account > Advanced > Shared Line
Parameter
account.X.line_seize.expires
[1]
<MAC>.cfg
Description
It configures the line-seize subscription expiration time (in seconds).
Note: It works only if “account.X.shared_line” is set to 1 (Shared Call Appearance).
Permitted
Values
Integer from 0 to 65535
Default
15
Parameter
account.X.shared_line_callpull_code
[1]
<MAC>.cfg
Description
It configures the call pull feature access code to retrieve an existing call from another shared phone
that is in an active or public hold status.
Note: It works only if “account.X.shared_line” is set to 1 (Shared Call Appearance).
Permitted
Values
String within 99 characters
Default
Blank
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Web UI
Account > Advanced > Call Pull Feature Access Code
Parameter
features.barge_in_via_username.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to use the user name of the account to barge in an active call.
Permitted
Values
0-Disabled, user register name to barge in, the phone sends INVITE request with the register name
when barging in a call
1-Enabled, the phone sends INVITE request with the user name when barging in a call
Default
0
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Parameter
phone_setting.call_remote_end_when_hold.busy_tone.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to play a busy tone when a public hold call on the shared line is
retrieved by the remote party.
Note: It works only if "features.busy_tone_delay" is not set to 0.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U, T48S, T46S, T42S, T41S, T33P, T33G, T31P,

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