Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
309
Description
It configures a domain name to be used for the next SRV query in NAPTR record X.
Permitted
Values
Domain name
Default
Blank
Parameter
dns_cache_naptr.X.service
[2]
<y0000000000xx>.cfg
Description
It configures the transport protocol available for the SIP server in NAPTR record X.
Permitted
Values
SIP+D2U-SIP over UDP
SIP+D2T-SIP over TCP
SIPS+D2T-SIPS over TLS
Default
Blank
Parameter
dns_cache_naptr.X.ttl
[2]
<y0000000000xx>.cfg
Description
It configures the time interval (in seconds) that NAPTR record X may be cached before the record
should be consulted again.
Permitted
Values
Integer from 30 to 2147483647
Default
300
Parameter
dns_cache_srv.X.name
[2]
<y0000000000xx>.cfg
Description
It configures the domain name in SRV record X.
Permitted
Values
Domain name
Default
Blank
Parameter
dns_cache_srv.X.port
[2]
<y0000000000xx>.cfg
Description
It configures the port to be used in SRV record X.
Permitted
Values
Integer from 0 to 65535
Default
0
Parameter
dns_cache_srv.X.priority
[2]
<y0000000000xx>.cfg
Description
It configures the priority for the target host in SRV record X.
Lower priority is more preferred.
Permitted
Values
Integer from 0 to 65535
Default
0
Parameter
dns_cache_srv.X.target
[2]
<y0000000000xx>.cfg
Description
It configures the domain name of the target host for an A query in SRV record X.
Permitted
Values
Domain name
Default
Blank
Parameter
dns_cache_srv.X.weight
[2]
<y0000000000xx>.cfg
Description
It configures the weight of the target host in SRV record X.

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