Yealink SIP-T41S Administrator's Guide

Audio Features
172
Description
It configures the time to wait for the phone to play the local ringback tone when the early media cannot
be played.
Permitted
Values
-1-Do not play the local ringback tone
0-Play the local ringback tone immediately
1-100-Wait for a specified time to play the local ringback tone
Default
1
Parameter
phone_setting.is_deal180 <y0000000000xx>.cfg
Description
It enables or disables the phone to deal with the 180 SIP message received after the 183 SIP mes-
sage.
Permitted
Values
0-Disabled
1-Enabled, the phone will resume and play the local ringback tone upon a subsequent 180 message
received.
Default
1
Web UI
Features > General Information > 180 Ring Workaround
Parameter
phone_setting.change_183_to_180 <y0000000000xx>.cfg
Description
It enables or disables the phone to handle the received second 183 message as the 180 message.
Permitted
Values
0-Disabled
1-Enabled, the phone will play the early media first and play the local ringback tone when receiving
the second 183 message.
Default
0
[1]
If you change this parameter, the phone will reboot to make the change take effect.
Headset Prior
Headset prior allows users to use headset preferentially if a headset is physically connected to the IP phone. This
feature is especially useful for permanent or full-time headset users.
It is not applicable to CP920 phones.
Note: It is not applicable to the Bluetooth headset and USB headset.
Topic
Headset Prior Configuration
Headset Prior Configuration
The following table lists the parameters you can use to configure the headset prior.
Parameter
features.headset_prior <y0000000000xx>.cfg
Description
It enables or disables to preferentially use the headset mode for all incoming and outgoing calls.
Note: It works only if “features.headset_mode.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled, the headset mode will be deactivated after the call, if you switch the headset mode to
speakerphone/handset mode.
1-Enabled, the headset mode will not be deactivated after the call, even if you switch the headset
mode to speakerphone/handset mode.

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