Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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You can send and receive text messages using the SIP-T28P IP phone. New text
messages can be indicated both acoustically and visually. When receiving a new text
message, the phone will play a warning tone, and the LCD screen will prompt receiving
new text messages with the number of waiting messages (example: 2 New Text
Message(s)) and a flashing icon.
Note
You can store text messages in your phone’s Inbox, Sentbox, Outbox or Draftbox. Each
of the boxes can store up to 100 text messages. If the number of the text messages in
one box is more than 100, the phone will directly delete the oldest text message in the
box.
Note
To read a text message:
1. Press Menu->Messages->Text Message->Inbox.
SMS is not available on all servers. Contact your system administrator for more
information.
When the phone receives a text message, the text message prompt window will pop up
by default, if you want to disable the feature, contact your system administrator for more
information.

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