Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Example: Setting a Line Key as BLF List Key
The following example shows the configuration for a BLF List key.
Scenario Conditions Related Topic
phone_setting.auto_blf_list_enable = 0 BLF List Configuration
Example
linekey.1.type = 39
linekey.1.line =1
After provisioning, a BLF List key displays on line key 1. You can easily use this key to monitor a remote line. The
monitored line depends on a pre-configured SIP server.
Example: Setting a Line Key as Private Hold Key
The following example shows the configuration for a Private Hold key.
Example
linekey.1.type = 20
linekey.1.label =Private Hold
After provisioning, you can press the line key 1 to hold calls without notifying other phones registered with the
shared line, the shared line displays active to others shared line. It is only applicable to Shared Line Appearance.
Example: Setting a Line Key as Multicast Paging Key
The following example shows the configuration for a Multicast Paging key.
Example
linekey.1.type = 24
linekey.1.value = 224.5.6.20:10008
linekey.1.label = Sales
linekey.1.extension = 2
After provisioning, you can press the line key 1 to send announcements quickly to the Sales group.
Programmable Keys
You can customize programmable keys on the phone to enable users to access frequently used functions, or, if
your phone does not have a particular hard key, you can create a soft key. For example, if the phone does not have
a Do Not Disturb hard key, you can create a Do Not Disturb soft key.
The programmable key takes effect only when the IP phone is idle.
Topics
Supported Programmable Keys
Programmable Keys Configuration
Supported Programmable Keys
The following tables list programmable keys for each phone model.

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