Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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->Network->WAN Port->IPv4->Static IP Client.
2. Enter the desired values in the IPv4, Subnet Mask, Default Gateway, IPv4 Pri.DNS
and IPv4 Sec.DNS fields respectively.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
To configure a static IPv6 address via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port->IPv6->Static IP Client.
2. Enter the desired values in the IPv6 IP, Prefix, Default Gateway, IPv6 Pri.DNS and
IPv6 Sec.DNS fields respectively.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
If you are using an xDSL modem for IPv4 network connection, you can connect your
phone to the Internet via PPPoE mode. Set the WAN port as a PPPoE port. The PPPoE port
will perform a PPP negotiation to obtain the IP address. Contact your system
administrator for the PPPoE user name and password.

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