Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Use the following mapping:
“WWW” represents the abbreviation of the week;
“DD” represents a two-digit day;
“MMM” represents the first three letters of the month;
“YYYY” represents a four-digit year, and “YY” represents a two-digit year.
Default
0
Web UI
Settings > Time&Date > Date Format
Handset UI
W53H/W56H:
OK > Settings > Display > Date Format
DD Phone:
Menu > Settings > Basic Settings > Time&Date > Time & Date Format > Date Format
CP930W:
Menu > Settings > Basic Settings > Display > Date Format
Parameter
handset.X.hac.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the HAC (Hearing Aid Compatibility) handset settings.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All handsets except DD phones
Parameter
static.auto_provision.handset_configured.enable <y0000000000xx>.cfg
Description
It enables or disables the handsets to keep user personalized settings after auto provisioning.
Note: It is only applicable to the custom handset related configurations.
Permitted
Values
0-Disabled, the phone will not deliver custom handset configurations via auto provisioning/handset
reboot to the handset. The custom handset settings can be only changed via the handset user inter-
face.
1-Enabled, the phone will deliver the custom handset configurations via auto provisioning to the hand-
set. Handset reboot or registration will also trigger the phone to deliver the stored handset settings to
the handset. When the parameter "static.auto_provision.custom.handset.protect" is set to 0 (Disabled),
the personalized handset settings will be overridden; if the parameter "static.auto_pro-
vision.custom.handset.protect" is set to 1 (Enabled), the personalized handset settings will not be over-
ridden.
Default
1
Supported
Devices
All handsets except DD phones
Parameter
static.auto_provision.custom.handset.protect <y0000000000xx>.cfg
Description
It enables or disables the handsets to keep user personalized settings after handset reboot or regis-
tration.
Note: It works only if "static.auto_provision.handset_configured.enable" is set to 0 (Disabled). It is only
applicable to the custom handset related configurations.
Permitted
Values
0-Disabled
1-Enabled

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