Yealink SIP-T41S Administrator's Guide

Phone Provisioning
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Note: If the phone performs auto provisioning when receiving a SIP NOTIFY message which contains
the header “Event: check-sync”, the phone will display the prompt message no matter whether the con-
figuration is updated.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
static.auto_provision.connect.keep_alive <y0000000000xx>.cfg
Description
It enables or disables the long connection for downloading files via auto provisioning.
Permitted
Values
0-Disabled, the phone uses the short connection for downloading files via auto provisioning
1-Enabled
Default
0
Parameter
static.auto_provision.authentication.expired_time <y0000000000xx>.cfg
Description
It configures the timeout (in seconds) after which the authentication pop-up box for auto provisioning
disappears.
Permitted
Values
0-The authentication pop-up box does not disappear from the phone screen automatically.
Integer from 10 to 86400 -The authentication pop-up box automatically disappears from the phone
screen after the designated time.
Default
7200
Parameter
static.auto_provision.dns_resolv_nosys <y0000000000xx>.cfg
Description
It enables or disables the phone to resolve the access URL of the provisioning server using download
libraries mechanism.
Permitted
Values
0-Disabled, the phone resolves the access URL of the provisioning server using the system mech-
anism.
1-Enabled
Default
1
Supported
Devices
T42G, T41P, CP920
Parameter
static.auto_provision.dns_resolv_nretry <y0000000000xx>.cfg
Description
It configures the retry times when the phone fails to resolve the access URL of the provisioning server.
Note: For each different DNS server, it works only if “static.auto_provision.dns_resolv_nosys" is set to
1 (Enabled).
Permitted
Values
Integer from 1 to 10
Default
2
Parameter
static.auto_provision.dns_resolv_timeout <y0000000000xx>.cfg
Description
It configures the timeout (in seconds) for the phone to retry to resolve the access URL of the pro-
visioning server.
Note: For each different DNS server, it works only if “static.auto_provision.dns_resolv_nosys" is set to
1 (Enabled).
Permitted
Values
Integer from 1 to 60
Default
5

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