Yealink SIP- T28P User Manual

Enterprise IP Phone Customizing Your Phone
1) Press Directory->Contact List->Enter.
2) Press Add softkey, enter Name, Office/Mobile number of the contact from the
keypad. Use the Ab3 softkey to select between numeric and upper/lower case
alphanumeric modes.
3) Use the navigation keys to select the desired account as Line if you want to assign
the contact to a specific account.
4) Press Save softkey to add the contact or Cancel softkey to cancel the change.
To edit/delete a contact via Phone interface:
1) Press Directory->Contact List->Enter.
2) Use the navigation key to highlight the one you want to delete, press Option
softkey, and scroll to Detail/delete, press OK softkey.
3) Make the desired changes, press OK softkey. Or Cancel softkey to return to the
Directory.
To move a contact to the blacklist via Phone interface:
1) Press Directory->Contact List->Enter.
2) Use the navigation key to highlight the one you want to move, press Option softkey,
scroll to move to Blacklist, press OK softkey twice to confirm the change, or press
Cancel softkey to return to the Directory.
3） You can check the blacklist by pressing Directory->Contact List->Enter->Black List,
and do the desired changes.
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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