Yealink SIP- T28P User Manual

Table of Contents
xi
Local Conference ........................................................................................................ 97
Network Conference .................................................................................................. 98
Call Park ....................................................................................................................... 100
Call Pickup .................................................................................................................... 101
Anonymous Call ........................................................................................................... 106
Anonymous Call Rejection ........................................................................................... 107
Advanced Phone Features ....................................................109
Busy Lamp Field (BLF).................................................................................................. 109
BLF List .......................................................................................................................... 111
Call Recording .............................................................................................................. 113
Hot Desking .................................................................................................................. 115
Intercom ....................................................................................................................... 117
Outgoing Intercom Calls .......................................................................................... 117
Incoming Intercom Calls ........................................................................................... 117
Multicast Paging .......................................................................................................... 119
Sending RTP Stream ................................................................................................. 119
Receiving RTP Stream ............................................................................................... 123
Music on Hold .............................................................................................................. 124
Messages ..................................................................................................................... 126
Short Message Service (SMS) ................................................................................. 126
Voice Mail.................................................................................................................. 129
Message Waiting Indicator (MWI) .......................................................................... 130
Troubleshooting .....................................................................133
Regulatory Notices ................................................................143
Service Agreements .................................................................................................... 143
Limitations of Liability .................................................................................................. 143
Safety Instructions ........................................................................................................ 143
Appendix A - Time Zones ......................................................147
Index ......................................................................................151

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