Yealink SIP- T28P User Manual

Enterprise IP Phone Using the Advanced Phone Functions
Redial
If the key is configured as Redial key, press this key under the idle status, it will fetch
the last dialed number, then you can choose a special line to call out by pressing the line
keys.
To assign the key as Redial:
1) Choose Phone->DSS Key ->Memory Key or Line Key, choose one of the key you
want to make the assignment, there is a pull-down menu in the Type field, choose
KeyEvent from the list, then in the Mode field, open the pull-down menu and
choose Redial from the list.
2) Press Confirm button to save the changes.
Call Return
When the key is configured as Call Return key you are allowed to dial out the last phone
call you received.
To assign the key as Call Return:
1) Choose Phone->DSS Key ->Memory Key or Line Key, choose one of the key you
want to make the assignment, there is a pull-down menu in the Type field, choose
KeyEvent from the list, then in the Mode field, open the pull-down menu and
choose Call Return from the list.
2) Press Confirm button to save the changes.
Group Pickup
When you configure a Group Pickup key, you specify the extension that you want to
monitor. Then, when the monitored extension receives a call, you press the key to pick
up the call. If the monitored extension receives multiple incoming calls simultaneously,
the IP Phone UI displays a list of incoming calls. You select a call from this list to start
the conversation.
To assign the key as Group Pickup:
1) Choose Phone->DSS Key ->Memory Key or Line Key, choose one of the key you
want to make the assignment, there is a pull-down menu in the Type field, choose
KeyEvent from the list, then in the Mode field, open the pull-down menu and
choose Group Pickup from the list.
2) In the "Line" field, select a line for which to apply this key, and enter the extension
number you want to pickup.
3) Press Confirm button to save the changes.
Call Park
Call Park is a feature that allows a person to put a call on hold at one telephone set and
continue the conversation from any other telephone set.
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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