Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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LED Status Description
Off The monitored user does not exist.
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set to 1)
LED Status Description
Fast-flashing red
(200ms)
The monitored user receives an incoming call.
Solid red
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on hold (This LED status requires server sup-
port).
Slowly-flashing red (1s) The call is parked against the monitored user’s phone number.
Off
The monitored user is idle.
The monitored user does not exist.
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set to 2)
LED Status Description
Fast-flashing red
(200ms)
The monitored user receives an incoming call.
Solid red
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on hold (This LED status requires server sup-
port).
Slowly-flashing red (1s) The call is parked against the monitored user’s phone number.
Off
The monitored user is idle.
The monitored user does not exist.
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set to 3)
LED Status Description
Fast-flashing green
(200ms)
The monitored user receives an incoming calls
Solid red
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on hold (This LED status requires server
support).
Slowly-flashing red (1s) The call is parked against the monitored user’s phone number.
Off
The monitored user is idle.
The monitored user does not exist.
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set to 4.
This mode is specifically designed for the Ribbon server.)

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