Yealink SIP- T28P User Manual

Enterprise IP Phone Customizing Your Phone
1) Prepare the desired the logo file which is
--in BMP format,
--max pixels: 236*82,
--can only be monochrome with 2 gray scales at most.
2) Run PictureEXDemo.exe, choose Add button->choose the specific logo file->click
Convert, and then close the software.
3) A new-built folder named adv with a .dob file will be created.
4) Choose Phone->Function->Logo via the Web interface, press Browse button, and
choose the .dob file just created by the software.
5) Press Upload button to complete the Logo Customization. You will find the desired
logo shown on the idle screen.
Note:
Please contact with your system administrator or service provider for the software with
PictureEXDemo.exe.
Dial Plan
A dial plan establishes the expected number and pattern of digits for a telephone
number
. This includes country codes, access codes, area codes and all combinations of
digits dialed. For example if you set the Frefix as 0 and Replace as 0086 (Chinese
country code), when you dial 05702000 out, the number will be replaced by
00865702000 automatically.
To set a Dial Plan via the Web interface:
1) Choose Phone->Dial Plan->Replace Rule.
2) Enter the desired Prefix and Replace.
- 22 -

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