Yealink SIP-T41S 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-T41S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Wi-Fi	No
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume control	Digital
Number of programmable keys	6
Lines quantity	6 lines
Phonebook capacity	1000 entries
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Certification	CE
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm