Yealink SIP- T28P User Manual

Enterprise IP Phone Using the Advanced Phone Functions
Note:
You can ask your system administrator for the decrypt password.
System Log Export
If there are any errors happened in your phone, you can export the system log and send
to your system administrator for diagnosis.
To export the System Log:
Choose Upgrade->Advanced, select Export System Log, click Export button to export
the file to your local computer.
Programmable Key Configuration
The phone has 10 programmable keys which are able to set up to 21 functions per key.
The following list shows the functions you can set on the programmable keys and
provides a description for each function. The default configuration for each key is N/A
which means the key hasn’t been set for any functions.
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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