Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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ldap.extra_attr = title lang
This requires the "title" and “lang” extra attributes set for each contact record on the LDAP server.
Note: It works only if “ldap.enable” is set to 1 (Enabled).
Permitted
Values
String
Default
Blank
Supported
Devices
T57W, T54W, T48U, T48S, T46U, T46S
Parameter
ldap.display_extra_attr <y0000000000xx>.cfg
Description
It configures the extra attributes list of each record to be displayed on the phone.
The attribute must start with a “%” symbol. Multiple attributes are separated by spaces.
Example:
ldap.display_extra_attr = %title %lang
The title and lang of the contact record are displayed on the phone screen.
Note: It works only if “ldap.enable” is set to 1 (Enabled).
Permitted
Values
String
Default
Blank
Supported
Devices
T57W, T54W, T48U, T48S, T46U, T46S
Parameter
ldap.custom_extra_attr_name <y0000000000xx>.cfg
Description
It configures the custom attribute names of each record that are displayed on the phone.
The valid format is: <custom attribute name on the phone>%<attribute name on the server>. Multiple
attribute names are separated by spaces.
Example:
ldap.custom_extra_attr_name = Comment%title Language%lang
The phone screen displays "Comment: title of the contact record" and "Language: lang of the contact
record".
Note: It works only if “ldap.enable” is set to 1 (Enabled).
Permitted
Values
String
Default
Blank
Supported
Devices
T57W, T54W, T48U, T48S, T46U, T46S
Parameter
ldap.anonymous_bind_operation.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to use anonymous identity for accessing the LDAP directory.
Note: It works only if “ldap.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled, if the authentication information is not configured on the phone, the phone can use the
empty one to log into the LDAP server. But if the server does not allow anonymity to log into, the
phone prompts users to enter the corresponding user name and password.

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