Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
297
Web UI
Account > Register > Label
Phone UI
Menu > Settings > Advanced Settings (default password: admin) > Accounts > Label
[1]
X is the PSTN account ID. X= 1 to 2.
Registration Settings Configuration
The following table lists the parameters you can use to change the registration settings.
Parameter
account.X.enable_user_equal_phone
[1]
<MAC>.cfg
Description
It enables or disables the phone to add “user=phone” to the SIP header of the INVITE message.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > Send user=phone
Parameter
account.X.register_mac
[1]
<MAC>.cfg
Description
It enables or disables the phone to add MAC address to the SIP header of the REGISTER message.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > SIP Send MAC
Parameter
account.X.register_line
[1]
<MAC>.cfg
Description
It enables or disables the phone to add a line number to the SIP header of the REGISTER message.
For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G: 0~15 stand for line1~line16;
For T53W/T53/T43U/T42U/T42S/T42G: 0~11 stand for line1~line12;
For T41P/T41S/T27G: 0~5 stand for line1~line6;
For T40P/T40G/T23P/T23G: 0~2 stand for line1~line3;
For T21(P) E2: 0~1 stand for line1~line2;
For T19(P) E2/CP920: 0 stands for line1.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > SIP Send Line
Parameter
account.X.contact_take_line_param
[1]
<MAC>.cfg
Description
It enables or disables the phone to carry the line parameter in the Contact header of the Register mes-
sage.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
account.X.unregister_on_reboot
[1]
<MAC>.cfg

Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm