Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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To change the administrator password via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin) ->Set
Password.
2. Enter the old password in the Current PWD field.
3. Enter the new password in the New PWD field.
4. Re-enter the new password in the Confirm PWD field.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
Administrator password is configurable via web user interface at the path
Security->Password.
You can set the "#" or "*" to perform as a send key while dialing.
To configure key as send via phone user interface:
1. Press Menu->Features->Key as Send.
2. Press or , or the Switch soft key to select # or * from the Key as Send field,
or select Disabled to disable this feature.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
Key as send is configurable via web user interface at the path Features->General
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