Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
4
SRTP Configuration
114
Encrypting and Decrypting Files
116
Configuration Files Encryption Tools
116
Configuration Files Encryption and Decryption
116
Contact Files Encryption and Decryption
116
Encryption and Decryption Configuration
117
Incoming Network Signaling Validation
120
Incoming Network Signaling Validation Configuration
120
USB Port Lock
121
USB Port Lock Configuration
121
Firmware Upgrade
123
Firmware for Each Phone Model
123
Firmware Upgrade Configuration
124
Using Handsets with T57W/T54W/T53W/T53 Phones
125
Handset Backlight
125
Handset Backlight Configuration
125
Handset Keypad Light
126
Handset Keypad Light Configuration
126
Handset Wallpaper
127
Handset Wallpaper Configuration
127
Handset Screen Saver
127
Handset Screen Saver Configuration
127
Handset Name
128
Handset Name Configuration
128
Number Assignment
128
Number Assignment Configuration
129
End Call on Hook
130
End Call on Hook Configuration
130
Advisory Tones
130
Advisory Tones Configuration
131
Base PIN
132
Base PIN Configuration
132
DECT Intercom
133
DECT Intercom Configuration
133
Shared Directory
134
Shared Directory Configuration
134
Shared Contact File Customization
134
Shared Contact File Elements and Attributes
135
Customizing Shared Contact File
135
Satellite Mode
135
Satellite Mode Configuration
136
Example: Configuring the Satellite Mode Feature
137
Repeater Settings Parameters
138
Handset Settings Parameters
139

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