Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
152
Messages 126
Message Waiting Indicator 130
Multicast Paging 119
Multiple Line Keys per Account 64
Music on Hold 124
N
Network Conference 98
Network Connection 11
No answer Forward 88
O
Outgoing Intercom Calls 117
Overview 1
Optional Accessories 10
P
Packaging Contents 9
Phone Initialization 13
Phone Installation 11
Phone Status 14
Phone Lock 25
Phone User Interface 6
Placing Calls 73
Placing Calls to Contacts 40
Programmable Keys 61
R
Receiving RTP Stream 123
Recent Call In Dialing 78
Redialing Numbers 77
Recall 82
Registration 17
Regulatory Notices 143
Remote Phone Book 46
Replace Rule 65
Ring Tones 29
S
Safety Instructions 143
Search Source List in Dialing 41
Searching for Contacts 41
Semi-attended Transfer 95
Sending RTP Stream 119
Service Agreements 143
Short Message Service (SMS) 126
System Customizations 50
T
Time and Date 21
Time Zones 147
Troubleshooting 133
V
Voice Mail 129
Volume 28
W
Warranty ii
Web User Interface 6
WEEE Warning iii

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