Yealink SIP- T28P User Manual

Customizing Your Phone
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2. Click Browse to locate a ring tone file (the file format must be *.wav) from your local
system.
3. Click Upload to upload the file.
Note
This section provides the operating instructions for managing contacts. Topics include:
 Directory
 Local Directory
 Blacklist
 Remote Phone Book
Directory provides easy access to frequently used lists. The lists may contain Local
Directory, History, Remote Phone Book and LDAP.
To configure the directory via web user interface:
1. Click on Directory->Setting.
2. In the Directory block, select the desired list from the Disabled column and then
click .
The selected list appears in the Enabled column.
3. Repeat step 2 to add more lists to the Enabled column.
All custom ring tone files must be no greater than 100KB.
Custom ring tones for your phone can be uploaded via web user interface only.

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