Yealink SIP-T41S User Manual

User Guide for T4 Series IP Phones
60
Configuring the SNTP Setting
Procedure:
1. Navigate to Menu->Basic->Time & Date->General->SNTP Settings.
For the SIP-T48S/T48G IP phones, navigate to Menu->Basic->Time & Date->General.
And then select SNTP Settings from the pull-down list of Type.
For the SIP-T42S/T42G/T41S/T41P/T40G/T40P IP phone, navigate to
Menu->Settings->Basic Settings->Time & Date->SNTP Settings.
2. Select the time zone that applies to your area from the Time Zone field.
3. Enter the domain name or IP address of SNTP server in the NTP Server1 and NTP Server2
field respectively.
4. Select the desired value from the Daylight Saving field.
5. Select the desired time zone name from the Location field.
This field appears only if Daylight Saving field is selected to Automatic.
6. Press Save.
SNTP Setting is configurable via web user interface at the path Settings->Time & Date.
Note
Please refer to Appendix A – Time Zones for the list of available time zones on the IP phone.
If the phone cannot obtain the time and date from the Simple Network Time Protocol (SNTP)
server, contact your system administrator for more information.
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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