Yealink SIP- T28P Quick Reference Guide

LEDs
Account Button LEDs
Making a Call
Power Indication LEDs
You can make a call by pressing the Hands-free / HEADSET button or picking
up the handset.
• Dial number directly: Dial the number, then press SEND softkey to call out
• Dial from Call History: Press HISTORY softkey, use the navigation key to
highlight the specic contact, press SEND button or SEND softkey to call out.
• Dial from Directory: Press DIRECTORY softkey, scoll to CONTACT LIST, press
ENTER softkey. Then use the navigation key to highlight number and press
the SEND softkey to call out.
• Re-dial: Press RD button to dial the last call you made. During the
conversation, you can alternate between the Headset, Handset and
Hands-free by pressing the corresponding buttons or picking up the handset.
Answering a Call
Answering an incoming call in the following ways:
• If you are on another call, press the answer softkey. If not, lift the
handset or press the SPEAKER button or the ANSWER softkey to
answer using the speakerphone. If you have a headset, you may press
the HEADSET button to answer the call.
• You can also press the REJECT softkey to deny the incoming call.
Muting a Call
• Press the MUTE button during the conversation to mute the call. Press
it again to unmute.
Programmable Keys as Call / Line Appearance Buttons
(Not Active at this time)

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