Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
2
Wi-Fi
40
Wi-Fi Configuration
40
Wireless Network IP Addressing Mode Configuration
45
IPv4 Wireless Network Configuration
45
IPv6 Wireless Network Configuration
49
Real-Time Transport Protocol (RTP) Ports
52
RTP Ports Configuration
53
Network Address Translation (NAT)
53
NAT Traversal Configuration
53
Keep Alive Configuration
56
Rport Configuration
57
SIP Port and TLS Port Configuration
57
Internet Port and PC Port
58
Supported Transmission Methods
58
Internet Port and PC Port Configuration
58
VPN
60
OpenVPN Related Files
60
VPN Configuration
61
Example: Using VPN based on L2TP Prototol
62
Exporting the OpenVPN Configuration File from the Phone
63
Importing the OpenVPN Configuration File to Phone
63
Quality of Service (QoS)
63
Voice and SIP QoS Configuration
63
802.1x Authentication
64
802.1x Authentication Configuration
64
TR-069 Device Management
67
Supported RPC Methods
67
TR-069 Configuration
67
Phone Provisioning
70
Boot Files, Configuration Files, and Resource Files
70
Boot Files
70
Common Boot File
70
MAC-Oriented Boot File
71
Boot File Attributes
71
Customizing a Boot File
72
Configuration Files
72
Common CFG File
73
MAC-Oriented CFG File
73
MAC-local CFG File
74
Configuration File Customization
74
Customizing a Configuration File
74
Configuration File Attributes
74
Resource Files
75
Supported Resource Files
75

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