Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
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<name > 4607 Yealink</name>
<instance id="pXHQ97tPyQ" state="active" cid="tYzwJM@broadworks"/>
</resource>
</list>
Topic
BLF/BLF List Subscription Configuration
BLF/BLF List Subscription Configuration
The following table lists the parameters you can use to configure BLF/BLF List subscription.
Parameter
account.X.blf.subscribe_period
[1]
<MAC>.cfg
Description
It configures the period (in seconds) of the BLF subscription.
Permitted
Values
Integer from 30 to 2147483647
Default
1800
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Web UI
Account > Advanced > Subscription Period (Seconds)
Parameter
account.X.blf.subscribe_event
[1]
<MAC>.cfg
Description
It configures the event of the BLF subscription.
Permitted
Values
0-dialog
1-presence
Default
0
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Parameter
account.X.out_dialog_blf_enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to handle NOTIFY messages out of the BLF dialog.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Web UI
Account > Advanced > Out Dialog BLF
Parameter
account.X.blf.match_host.enable
[1]
<MAC>.cfg
Description
It enables or disables host match feature for BLF/BLF list feature.
Permitted
Values
0-Disabled
1-Enabled, the phone can only recognize the NOTIFY message whose host field is the same as the
one in the SUBSCRIBE message.

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