Yealink SIP- T28P User Manual

User Guide SIP-T28P IP Phone
vi
The following sections are new:
 BLF List on page 111
Major updates have occurred to the following sections:
 LED Instructions on page 4
 Ring Tones on page 29
 Anonymous Call Rejection on page 107
 Multicast Paging on page 119
 Troubleshooting on page 133
 Appendix A - Time Zones on page 147
Major updates have occurred to the following sections:
 Documentations on page 8
 Packaging Contents on page 9
 Phone Installation on page 11
 Phone Status on page 14
Major updates have occurred to the following sections:
 LED Instructions on page 4
 Contrast on page 19
 Backlight on page 20
 Anonymous Call on page 106
Major updates have occurred to the following sections:
 Appendix A - Time Zones on page 147
Major updates have occurred to the following sections:

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