Yealink SIP-T41S Administrator's Guide

Call Features
388
Permitted
Values
0-Disabled
1-Enabled
Default
0
DND Feature Configuration
After you choose a DND mode, you can configure the DND feature for all lines or a specific line. It depends on the
DND mode (except T19(P) E2/CP920):
l
Phone (default): DND feature is effective for all lines.
l
Custom: DND feature can be configured for a specific line or multiple lines.
Note: DND mode is set by the parameter “features.dnd_mode”.
Yealink phones also support DND on code and off code to activate and deactivate server-side DND feature. They
may vary on different servers.
Topics
DND in Phone Mode Configuration
DND in Custom Mode Configuration
DND in Phone Mode Configuration
The following table lists the parameters you can use to configure DND in Phone mode.
Parameter
features.dnd.enable <y0000000000xx>.cfg
Description
It triggers the DND feature to on or off.
Note: It works only if “features.dnd.allow” is set to 1 (Enabled) and “features.dnd_mode” is set to 0
(Phone) (except T19(P) E2/CP920 phones).
Permitted
Values
0-Off
1-On, the phone will reject incoming calls on all accounts.
Default
0
Web UI
Features > Forward&DND > DND > DND Status
Phone UI
Menu > Features > DND > DND Status
Parameter
features.dnd.on_code <y0000000000xx>.cfg
Description
It configures the DND on code to activate the server-side DND feature. The phone will send the DND
on code to the server when you activate the DND feature on the phone.
Note: It works only if “features.dnd.allow” is set to 1 (Enabled) and “features.dnd_mode” is set to 0
(Phone) (except T19(P) E2/CP920 phones).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Features > Forward&DND > DND > On Code
Phone UI
Menu > Features > DND > On Code
Parameter
features.dnd.off_code <y0000000000xx>.cfg
Description
It configures the DND off code to deactivate the server-side DND feature. The phone will send the
DND off code to the server when you deactivate the DND feature on the phone.
Note: It works only if “features.dnd.allow” is set to 1 (Enabled) and “features.dnd_mode” is set to 0

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