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Yealink SIP- T28P User Manual

Yealink SIP- T28P
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Enterprise IP Phone Using the Basic Call Functions
on hold, there will be a dial tone. Dial the second telephone number.
2) When the phone is answered, you can have a private conversation without the first
person hearing it, then hang up to complete the transfer.
3) You will be disconnected from the call.
3-way Conference
You can establish a three-party conference, during the conversation three phone
parties can communicate with each other.
To establish a conference:
1) Press the Conf softkey during an active call.
2) The first call is placed on hold. You will hear a dial tone. Dial the number to
conference in, then press the Send softkey.
3) When the call is answered, the conference call will include you and the other two
parties.
4) Hang up to disconnect all parties.
Message
The phone supports SMS (Short Messaging Service) and Voicemail, if you want to use
them, please make sure that your VoIP telephony system supports this functionalities
and your accounts’ message has been enabled.
Voicemail
Your voice mailbox messages, which are usually stored on a media server of your local
or hosted VoIP telephony system, can be accessed from your phone.
New voice messages can be indicated both acoustically and visually as described below:
z The idle screen will indicate the new voice messages coming.
z The MESSAGE button will be lighted.
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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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