Yealink SIP- T28P User Manual

Enterprise IP Phone Using the Basic Call Functions
Using the Basic Call Functions
Making a call
Call Devices
You can make a phone call via the following devices:
1) Pick up the handset,
icon will be shown in the idle screen.
2) Press the Speaker button,
icon will be shown in the idle screen.
3) Press the Headset button if the headset is connected to the Headset port in advance.
The
icon will be shown in the idle screen.
You can also dial the number first, and then choose the method you will use to speak to
the other party.
Call Methods
You can press an available line button if there is more than one account, then
1) Dial the number you want to call, or
2) Press the Directory softkey, use the navigation button to highlight your choice, or
3) Press History softkey, use the navigation button to highlight your choice (press
Left/Right button to chose All Calls, Missed Calls, Dialed Calls, Received Calls and
Forwarded Calls) or
4) Press the RD button to fetch the last dialed number.
5) Press the programmable keys which are set as speed dial button.
Then press the Send button or Send softkey to make the call out if necessary.
Answering a call
Answering an incoming call
1) If you are not on an active call, lift the handset to answer it using the handset, or
press the Speaker button to answer it using the speakerphone, or press the
headset button to answer it using the headset.
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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