Yealink SIP-T41S Configuration Guide

BROADSOFT PARTNER CONFIGURATION GUIDE – YEALINK T4X IP PHONE 20-BD5476-00
©
2017 BROADSOFT INC. PAGE 21 OF 150
Step Command Purpose
System Configuration Items y0000000000<xx>.cfg
Step 5 Enable reliable response.
account.1.100rel_enable = 1
Reliable provisional response
(PRACK) should be enabled.
Step 6 Enable Session Timer.
account.1.session_timer.enable = 1
account.1.session_timer.expires =
300
account.1.session_timer.refresher
= 1
Set the T4xG IP Phone to enable
Session Timer.
Session Refresher:
0 = uac
1 = uas
Step 7 Enable Call Waiting.
call_waiting.enable = 1
call_waiting.tone = 1
Set the T4xG IP Phone series to
enable Call Waiting and Call Waiting
Tone.
Step 8 Enable MWI.
account.1.subscribe_mwi = 0
account.1.subscribe_mwi_expires
=3600
MWI: Solicited when setting
SubscribeMWI = 1.
MWI: Not solicited when setting
SubscribeMWI = 0.
Step 9 Enable negotiated DTMF type.
account.1.dtmf.type = 1
Set the T4xG IP Phone to enable
inband or RFC 2833 negotiated
DTMF.
Step 10 Select Transport Type.
account.1.sip_server.1.transport_
type = 0
Set the SIP transport:
Transport = 0 (UDP)
Transport = 1 (TCP)
Transport = 2 (TLS) (except T18P)
Transport = 3 (DNS-SRV) (except
T80P)
Step 11 Enable Feature Key Sync.
bw.feature_key_sync = 1
Enable Feature Key Sync (except
T18):
1 = Enabled
0 = Disabled

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