Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
6. Press the Save soft key to accept the change or the Back soft key to cancel.
Multicast paging key is configurable via web user interface at the path DSSKey.
To configure a paging list key via phone user interface:
1. Press Menu->Features->DSS Keys->Memory Keys (or Line Keys).
2. Select the desired DSS key.
3. Press or , or the Switch soft key to select Key Event from the Type field.
4. Press or , or the Switch soft key to select Paging List from the Key Type
field.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
Paging list key is configurable via web user interface at the path DSSKey.
To configure paging list via phone user interface:
1. Press the paging list key when the phone is idle.
2. Press or to select a desired paging group.
The default tag is Empty if it is not configured before.

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