Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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Switch Account
You can press this key to switch default account.
Dependencies: Type (Switch Account)
Usage: Press the programmable key to scroll down the account list to select the desired
default account.
Note
You can customize features to Ext keys.
To customize Ext keys via web user interface:
1. Click on DSSKey->Ext Key.
2. Customize specific features for these keys.
3. Click Confirm to accept the change.
For more information, refer to EXP39 User Guide.
Note
You can register one or multiple accounts on the SIP-T28P IP phone. You can also
configure each line key to associate with an account or configure multiple line keys to
associate with an account.
Programmable keys are configurable via web user interface only.
Ext keys are configurable 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