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Yealink SIP- T28P User Manual

Yealink SIP- T28P
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Overview
5
Line key LED
LED Status
Description
Solid green
The line is in conversation.
The line is seized.
Fast flashing green
The line receives an incoming call.
Slow flashing green
The call is placed on hold.
Off
The line is inactive.
Line key LED (configured as a BLF key or a BLF List key)
LED Status
Description
Solid green
The monitored user is idle.
Fast flashing green (200ms)
The monitored user receives an incoming call.
Slow flashing green (500ms)
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on
hold (This status requires server support).
Slow flashing green (1s)
The call is parked against the monitored users
phone number.
Off
The monitored user does not exist.
Memory key LED (configured as a BLF key or a BLF List key)
LED Status
Description
Solid green
The monitored user is idle.
Fast flashing red (200ms)
The monitored user receives an incoming call.
Solid red
The monitored user is dialing.
The monitored user is talking.
Slow flashing red (1s)
The call is parked against the monitored users
phone number.
The monitored user’s conversation is placed on
hold (This status requires server support).
Off
The monitored user does not exist.
Note
Two ways to customize configurations of your SIP-T28P IP phone:
The user interface on the IP phone.
The above introduces the default LED status. The statuses of the power indicator LED and
BLF key are configurable via web user interface. For more information, refer to
Yealink_SIP-T2xP_IP_Phones_Administrator_Guide.

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Yealink SIP- T28P Specifications

General IconGeneral
Expansion module supportYes
Ethernet LAN (RJ-45) ports2
Keypad number of keys48
Voice codecsG.711, G.722, G.723.1, G.726
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Touchscreen-
Display resolution320 x 160 pixels
Lines quantity- lines
Phonebook capacity- entries
Number of VoIP accounts6
BluetoothNo
Security algorithmsHTTPS, SSL/TLS
AC adapter input voltage100 - 240 V
AC adapter output voltage5 V
Power consumption (typical)2.6 W
Operating relative humidity (H-H)10 - 95 %
Compliance industry standardsIEEE 802.3af
Number of handles included1 pc(s)
Weight and Dimensions IconWeight and Dimensions
Depth204 mm
Width273 mm
Height42 mm
Weight1050 g

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