Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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2. Press or to switch between All Calls, Placed Calls, Received Calls, Missed
Calls and Forwarded Calls.
3. Press or to select the desired entry.
4. Press the Delete soft key.
To delete all entries from the call history list:
1. Press the History soft key.
2. Press or to switch between All Calls, Placed Calls, Received Calls, Missed
Calls and Forwarded Calls
3. Press the Option soft key, and then select Delete All from the prompt list.
4. Press the OK soft key.
The LCD screen prompts "Delete all the call records?".
5. Press the OK soft key to confirm the deletion or the Cancel soft key to cancel.
You can upload your custom logo which will be displayed on the idle screen.
To upload a custom logo via web user interface:
1. Click on Features->General Information.
2. Select Custom logo from the pull-down list of Use Logo.
3. Click Browse to locate the logo file from your local system.
4. Click Upload to upload the file.

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