Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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3. Press or , or the Switch soft key to select the time zone that applies to your
area from the Time Zone field.
The default time zone is "+8 China(Beijing)".
4. Enter the domain names or IP addresses in the NTP Server 1 and NTP Server 2 fields
respectively.
5. Press or , or the Switch soft key to select the desired value from the
Daylight Saving field.
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 field.
3. Enter the specific time in the Time 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.
2. Press or , or the Switch soft key to select the desired time format from the
Time Format field.
3. Press or , or the Switch soft key to select the desired date format from the
Please refer to Appendix A - Time Zones for the list of available time zones on the IP
phone.

Yealink SIP- T28P Specifications

General

Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Keypad number of keys	48
Voice codecs	G.711, G.722, G.723.1, G.726
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Touchscreen	-
Display resolution	320 x 160 pixels
Lines quantity	- lines
Phonebook capacity	- entries
Number of VoIP accounts	6
Bluetooth	No
Security algorithms	HTTPS, SSL/TLS
AC adapter input voltage	100 - 240 V
AC adapter output voltage	5 V
Power consumption (typical)	2.6 W
Operating relative humidity (H-H)	10 - 95 %
Compliance industry standards	IEEE 802.3af
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	204 mm
Width	273 mm
Height	42 mm
Weight	1050 g