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Yealink SIP- T28P User Manual

Yealink SIP- T28P
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User Guide for the SIP-T28P IP Phone
60
parameters.
Dependencies:
Type (Key Event)
Key Type (Zero Touch)
Usage:
1. Press the DSS key to access the zero touch screen.
2. Press the OK soft key within a few seconds.
3. Configure the network parameters in the corresponding fields.
4. Press the Next soft key.
5. Configure the auto provision parameters in the corresponding fields.
6. Press the OK soft key.
The phone will reboot to update configurations.
URL
You can use this key feature to trigger the phone to send an HTTP GET request
containing a specific URL.
Dependencies:
Type (URL)
Value (the URL contained in the HTTP GET request)
Usage: Press the DSS key to trigger the phone to send an HTTP GET request containing
the URL specified in the Value field.
Phone Lock
You can use this key feature to immediately lock your phone instead of long
pressing . For more information, refer to Phone Lock on page 25.
Dependencies:
Type (phone Lock)
Usage: Press the DSS key to immediately lock your phone instead of long
pressing .
Directory
You can use this key feature to easily access frequently used lists. For more information,
refer to Directory on page 31.
Dependencies:
Type (Directory)
Usage: Press the DSS key to immediately access frequently used lists.
Note
You can assign predefined functionalities to the line keys as same as memory keys. You
can also define a label for line key which will appear on the LCD screen. The default key
type of each line key is Line.
The DSS key performs the same function as the Directory soft key when the phone is idle.

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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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