Yealink SIP-T40G 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-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm