Yealink SIP-T23G User Manual

User Guide for the SIP-T23P/G IP Phone
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area from the Time Zone field.
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 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 date in the Date(YMD) field.
3. Enter the specific time in the Time(HMS) field.
4. 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.
Please refer to Appendix A - Time Zones for the list of available time zones on the IP
phone.

Yealink SIP-T23G Specifications

General

Backlight	Yes
Voice codecs	G.711a, G.722.2, G.726, G.729ab, iLBC
Volume control	Digital
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Silver
Display resolution	132 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Networking standards	IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3af
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)	1.56 W
Number of handles included	- pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	188 mm
Width	209 mm
Height	150 mm