Yealink SIP- T28P User Manual

Enterprise IP Phone Using the Advanced Phone Functions
The “call park” feature is activated by pressing a preprogrammed button or a special
sequence of buttons. This transfers the current conversation to an unused
extension
number
and immediately puts the conversation on hold. The telephone system will then
display the extension number of the parked call so that the call can later be retrieved.
To assign the key as Call Park:
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 Park 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 park.
3) Press Confirm button to save the changes.
Group Listening
When the key is configured as Group Listening key, you are allowed to enable the
Speakerphone and Handset/Headset mode at the same time. It is suitable for the group
conversation which has more than one person at one side. You are able to speak and
listen using handset/headset; meanwhile the others near by can speak and listen using
speakerphone. You can get back to the previous mode by pressing the key again.
To assign the key as Group Listening:
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 Listening from the list.
2) Press Confirm button to save the changes.
SMS
When the key is configured as SMS key you are allowed to access SMS quickly by
pressing this key.
To assign the key as SMS:
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 SMS from the list.
2) Press Confirm button to save the changes.
Voicemail
When the key is configured as Voicemail key you are allowed to access voicemail
quickly by pressing this key.
To assign the key as Voicemail:
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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