Yealink SIP- T28P User Manual

Enterprise IP Phone Overview
Phone Options Phone UI Web UI
Status
--IP Address
--MAC Address
--Firmware
--Network
--Phone
--Accounts
√ √
Features
--Forward
--Call Waiting
--Auto Answer
--DSS Keys
--“*” or “#” as send
--Hot Line
√
√
√
√
√
√
Basic Phone Functions
--Language
--Time
--Ring Tone
--Phone Volume
--Logo Customization
√
√
√
√
√
√
√
Advanced Phone Functions
--Accounts
--Networks
--Voice
--Codecs
--Echo Cancellation etc
--Phone Setting
--Backlight
--Contrast
-- Lock
--Reset To Factory
--Set Admin Password
√
√
√
√
√
√
√
√
√
Other Features
--Message
--History
--Directory
--Contact List
--Black List
√
√
√
√
Note:
The above table only indicates most of phone functions rather than all of them. Please
refer to the relating parts for more details.
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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