Yealink SIP-T41S User Manual

User Guide for T4 Series IP Phones
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The DND icon appears on the status bar.
Note
Deactivating DND in Phone Mode
You can deactivate DND to receive incoming calls.
Procedure:
1. Press DND again when the phone is idle.
The DND icon disappears on the status bar.
Custom Mode
If there is only one account registered on the phone, you can directly press the DND soft key to
activate or deactivate DND on the Idle screen. The following shows you to activate or deactivate
DND when there are multiple registered accounts.
Activating DND in Custom Mode
Procedure:
1. Press DND.
The LCD screen displays a list of accounts registered on the phone.
When DND and busy forward are activated in phone mode, calls will be forwarded to the
configured destination number. For more information on busy forward, refer to Call Forward.
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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