Yealink SIP-T23G Administrator's Guide

Phone Customization
227
It is not applicable to color screen phones.
Topics
Custom Logo Picture Limit
Customizing a Logo Picture
Custom Logo Configuration
Example: Setting a Custom Logo Display
Custom Logo Picture Limit
The following table lists the supported logo picture format and resolution for each phone model.
Phone Model Logo File Format Resolution
T42U/T42S/T42G/T41P/T41S
.dob
<=192*64 2 gray scale
T53W/T53/T43U <=360*160 2 gray scale
T27G <=240*120 2 gray scale
T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2 <=132*64 2 gray scale
CP920 <=248*120 2 gray scale
Note: Before uploading your custom logo to phones, ensure your logo file is correctly formatted.
Customizing a Logo Picture
Yealink phones only support the *.dob format logo picture. Yealink provides PictureExDemo tool to convert *.bmp
format to *.dob format. You can ask the distributor or Yealink FAE for the PictureExDemo tool.
Procedure
1.
Double click the PictureExDemo.exe.
2. Click Add button to open a *.bmp file.
You can repeat step 2 to add multiple original picture files.

Yealink SIP-T23G Specifications

General

Backlight	Yes
Voice codecs	G.711a, G.722.2, G.726, G.729ab, iLBC
Volume control	Digital
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Silver
Display resolution	132 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Networking standards	IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3af
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.56 W
Number of handles included	- pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	188 mm
Width	209 mm
Height	150 mm