Yealink SIP- T28P User Manual

Customizing Your Phone
19
You can customize your SIP-T28P IP phone by personally configuring certain settings, for
example, contrast, time & date and ring tones. You can add contacts to the phone’s
local directory manually or from call history. You can also personalize different ring
tones for different callers.
This chapter provides basic operating instructions for customizing your phone. Topics
include:
 General Settings
 Audio Settings
 Contact Management
 Call History Management
 System Customizations
If you require additional information or assistance with your new phone, contact your
system administrator.
You can configure the contrast of the LCD screen to a comfortable level.
To configure the contrast via phone user interface:
1. Press Menu->Settings->Basic Settings->Display->Contrast.
2. Press or , or the Switch soft key to increase or decrease the intensity of
contrast.
The default contrast level is 6.
3. Press the Save soft key to accept the change or the Back soft key to cancel.

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