Yealink SIP-T31G Administrator's Guide

Using Handsets with T57W/T54W/T53W/T53 Phones
129
The handset can only receive incoming calls via the assigned incoming line(s). You can assign incoming lines to all
handsets that are registered to the same phone.
Note: You can only assign one outgoing line and one incoming line for the CP930W. And make sure that the outgoing line and
the incoming line are the same line.
Topic
Number Assignment Configuration
Number Assignment Configuration
The following table lists the parameters you can use to assign lines.
Parameter
handset.X.incoming_lines
[1]
<y0000000000xx>.cfg
Description
It configures the lines to receive incoming calls for a specific handset.
Permitted
Values
1-Line 1
2-Line 2
3-Line 3
4-Line 4
5-Line 5
Multiple line IDs are separated by commas.
Default
The incoming line for Corded phone is line 1-line5.
The incoming line for handset 2 is line 2.
The incoming line for handset 3 is line 3.
The incoming line for handset 4 is line 4.
The incoming line for handset 5 is line 5.
Web UI
Account > Number Assignment > Incoming lines
Handset UI
W53H/W56H:
OK > Settings > Telephony > Incoming Lines (Default PIN:0000) > HandsetX
[1]
DD Phone:
Menu > Settings > Advanced Settings (default password: 0000) > Incoming Lines
Parameter
handset.X.dial_out_lines
[1]
<y0000000000xx>.cfg
Description
It configures the lines to place outgoing calls for a specific handset.
Multiple line IDs are separated by commas.
Permitted
Values
1-Line 1
2-Line 2
3-Line 3
4-Line 4
5-Line 5
Default
The outgoing line for Corded phone is line 1-line5.
The outgoing line for handset 2 is line 2.
The outgoing line for handset 3 is line 3.

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