Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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The default time zone is “+8”.
3. Enter the domain name or IP address of SNTP server in the NTP Server1 and NTP Server2
field respectively.
4. Press or , or the Switch soft key to select the desired value from the Daylight
Saving field.
5. Press or , or the Switch soft key to select the desired time zone name from the
Location field.
This field appears only if Daylight Saving field is selected to Automatic.
The default time zone name is “China(Beijing)”.
6. Press the Save soft key to accept the change or the Back soft key to cancel.
Note
To configure the time and date manually via phone user interface:
1. Press Menu->Settings->Basic Settings->Time & Date->Manual Settings.
2. Enter the specific time and date.
3. Press the Save soft key to accept the change.
The date and time displayed on the LCD screen will change accordingly.
To configure the time and date format via phone user interface:
1. Press Menu Settings->Basic Settings->Time & Date->Time & Date Format.
2. Press or , or the Switch soft key to select the desired time format (12 Hour or 24
Hour) from the Time Format field.
3. Press or , or the Switch soft key to select the desired date format from the Date
Format field.
4. Press the Save soft key to accept the change or the Back soft key to cancel.
Please refer to Appendix A – Time Zones for the list of available time zones on the IP phone.

Yealink SIP-T42S Specifications

General

Manual	Yes
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Lines quantity	12 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Volume control	Digital
Number of programmable keys	6
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
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

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm