Yealink SIP- T28P User Manual

About This Guide
vii
 LED Instructions on page 4
 Ring Tones on page 29
 Remote Phone Book on page 46
 Anonymous Call on page 106
 Troubleshooting on page 133
Major updates have occurred to the following sections:
 Phone Status on page 14
 Call Transfer on page 95
 Appendix A - Time Zones on page 147
Major updates have occurred to the following sections:
 Phone Status on page 14
 Remote Phone Book on page 46
The following sections are new:
 Recent Call In Dialing on page 78
Major updates have occurred to the following sections:
 Basic Network Settings on page 15
 Phone Lock on page 25
 Contact Management on page 31
 DSS Keys on page 53
Major updates have occurred to the following sections:
 Phone Lock on page 25
 Volume on page 28
 Ring Tones on page 29
 Call Completion on page 81

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