Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
531
[1]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42G/T42U/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; for T30P/T30/T19(P) E2/CP920, X=1.
Alcatel-Lucent Barge in Parameters
If you want to use Barge In feature, you should configure a feature access code on the phone. If no feature access
code is configured, the Barge In feature is disabled.
Parameter
blf.normal_barge_in_code <y0000000000xx>.cfg
Description
It configures the feature access code for normally barging in the active call of the monitored line.
If configured, you can press the Barge In soft key to barge in the call. Barge-in plays an audio alert to
indicate the arrival of a new participant to the call and all call participants can interact.
Note: It applies to the Alcatel-Lucent CTS only.
Permitted
Values
String within 32 characters
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T30P, T30, T29G, T19(P) E2 and CP920
Case Scen-
ario
The feature access code is *32. A (your phone) monitors party B (number: 8866), party B and party C
is during the call.
Set the following:
blf.normal_barge_in_code = *32
features.blf.show_callinfo.enable = 1
During the call of the monitored line, long press the BLF key and press the Barge In soft key, then the
phone calls *328866 to barge in the call. All call participants can interact during the call.
Related
Parameters
features.blf.show_callinfo.enable
Parameter
blf.whisper_barge_in_code <y0000000000xx>.cfg
Description
It configures the feature access code for barging in the active call of the monitored line in whisper.
If configured, you can press the Whisper BargeIn soft key to barge in the call. You can hear all call
participants but your audio can only be transmitted to the user you are monitoring.
Note: It applies to the Alcatel-Lucent CTS only.
Permitted
Values
String within 32 characters
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T30P, T30, T29G, T19(P) E2 and CP920
Case Scen-
ario
The feature access code is *32. A (your phone) monitors party B (number: 8866), party B and party C
is during the call.
Set the following:
blf.whisper_barge_in_code = *32
features.blf.show_callinfo.enable = 1
During the call of the monitored line, long press the BLF key and press the Whisper BargeIn soft key,
then the phone calls *328866 to barge in the call. You can hear all call participants, but only party B
can hear you.

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