Yealink SIP- T28P User Manual

Enterprise IP Phone Using the Advanced Phone Functions
TLS
TLS(Transport Layer Security), an IETF standards track protocol (RFC 5246), was based
on the earlier SSL specifications developed by
Netscape Corporation.
Go to Account->Basic, choose Transport option, in the pull-down menu, you can choose
the TLS option, then click the Confirm button to save the change.
Network Setting
PC Port Setting
Please refer to the previous part “Configuration and Registration” for the basic Network
WAN setting information. The following table lists the instructions of the field about the
Network PC Port Setting.
Field Name Description
As Bridge If you select the Bridge mode, then the two Fast Ethernet ports
will be transparent.
As Router If you select the Router mode, the SIP phone will work as a
router
IP address User could configure the PC port IP address.
DHCP Server If you set the DHCP server on, the device connected to the PC
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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