Yealink SIP-T33P Administrator's Guide

Phone Customization
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desired picture as the idle screen/Dsskey screen or EXP wallpaper. After you set a picture in USB flash drive as the
idle screen/Dsskey screen or EXP wallpaper, the picture is added to the Wallpaper list.
Note: Yealink phones support USB flash drive in FAT32 or NTFS format.
Related Topic
Custom Wallpaper Picture Limit
Example: Setting a Custom Picture as Wallpaper
The following example shows the configuration for uploading custom picture named “wallpaper.jpg” and set it as
idle screen wallpaper. The custom picture is placed on the provisioning server “192.168.10.25”.
Example
wallpaper_upload.url = http://192.168.10.25/wallpaper.jpg
phone_setting.backgrounds = wallpaper.jpg
After provisioning, the phone idle screen wallpaper changes to custom picture “wallpaper.jpg”.
Transparency
The T57W/T54W/T48U/T48S/T48G/T33P/T33G phones display line keys and status bar transparently. If you use a
custom picture with a color or complex background, it may affect the user’s experience. You can choose the appro-
priate transparency for DSS key labels and status bar on the idle screen as required.
The following show line keys and status bar transparency set on T48S phones:
Topic
Transparency Configuration
Transparency Configuration
The following table lists the parameter you can use to adjust transparency.
Parameter
phone_setting.idle_dsskey_and_title.transparency <y0000000000xx>.cfg
Description
It configures the transparency of the DSS key labels and status bar on the idle screen for the IP phone.
Note: It is also applicable when the DSS key list is unfolded on the T57W/T48U/T48S/T48G phones.
Permitted
Values
0%, the DSS key labels and status bar are non-transparent.
20%, 40%, 60%, 80% or 100%
Default
100%
Supported
Devices
T57W, T54W, T48U, T48S, T48G, T33P, T33G

Yealink SIP-T33P Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Wall mountable	Yes
Operating system installed	Linux
Lines quantity	4 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	4
Volume control	Buttons
Number of function keys	5
Display diagonal	2.4 \
Display resolution	320 x 240 pixels
Voice codecs	AGC, AJB, CNG, G.711a, G.711u, G.722, G.723.1, G.726, G.729, G.729A, PLC, VAD, iLBC
Security algorithms	AES, HTTPS
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
RJ-9 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
Power consumption (typical)	3 W
Power consumption (Power over Ethernet (PoE))	5 W
Number of handles included	1 pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	186 mm
Width	212 mm
Height	146 mm