Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
437
Visual and Audio Alert for Monitor Lines
LED Mode for BLF/BLF List Key
BLF/BLF List Key LED Status and Behavior Configuration
BLF Key for Intercom Configuration
Call Information Display Configuration
BLF Key Configuration
You can configure a BLF key for a specific line.
The following shows the configuration of a BLF key for Bill.
linekey.X.type=16
linekey.X.line=1
linekey.X.value=1001
linekey.X.label=Bill
Related Topic
Line Keys Configuration
BLF List Configuration
You can configure a BLF List for monitor phone. It enables the monitor phone to subscribe to a list of lines, and
receive status notifications of the monitored lines.
Note: The IP phone subscribes to a BLF list that is set up on the server. You must access the server and set up a list of mon-
itored lines.
The following table lists the parameters you can use to configure BLF List.
Parameter
account.X.blf.blf_list_uri
[1]
<MAC>.cfg
Description
It configures the BLF List URI to monitor a list of users for account X.
Example:
account.1.blf.blf_list_uri = 4609@pbx.test.com
Permitted
Values
SIP URI within 256 characters
Default
Blank
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Web UI
Account > Advanced > BLF List URI
Parameter
account.X.blf_list_code
[1]
<MAC>.cfg
Description
It configures the feature access code that initiates a directed call pickup for account X.
Permitted
Values
String within 32 characters
Default
Blank
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920
Web UI
Account > Advanced > BLF List Pickup Code
Parameter
account.X.blf_list_barge_in_code
[1]
<MAC>.cfg

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