Yealink SIP-T41S Administrator's Guide

Phone Customization
253
Devices
Parameter
features.headset_mode.enable <y0000000000xx>.cfg
Description
It enables or disables the phone’s headset mode.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
All phones except CP920
Parameter
features.headset.group_listen_in_talking_enable <y0000000000xx>.cfg
Description
It enables or disables the phone to enter into the group listening mode by pressing the Speakerphone
key when you first answer the call using the headset.
Note: The audio is sent only through the headset. So you are able to speak and listen through the
headset, but you can only listen through the speaker. It is not applicable to Bluetooth headset.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U, T48S, T46S, T42S, T41S and T27G
Parameter
phone_setting.headsetkey_mode <y0000000000xx>.cfg
Description
It configures headset mode during a call.
Permitted
Values
0-Always use (pressing the Speakerphone key and picking up the handset are not effective when the
headset mode is activated)
1-Use as normal
Default
1
Supported
Devices
All phones except CP920
DSS Keys
There are three kinds of DSS keys: Line Keys, Programmable Keys, and Ext Keys. You can assign various functions
to DSS keys. This section explains how to set these keys.
Line key is not applicable to T19(P) E2/CP920 phones, ext key is only applicable to expansion modules connected
to T57W/T54W/T53W/T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T29G/T27G phones.
Note: If the phone is downgraded to an earlier firmware from firmware version 83, the DSS key configuration will be reset
after downgrading.
Topics
Supported DSS Keys
Supported Dsskey Types
Line Keys
Programmable Keys
Ext Keys
Dsskey Lock Configuration
Dsskey Page Reset Configuration

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