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White Paper T630/T628
81 October 2003
USSD technical data
Image format technical data
Images – downloading to phone
Feature Support in the T630/T628
USSD support GSM Phase 1/ 2 (Cross-phase compatibility). GPRS
behavior according to class B
Mode support -mode MMI-mode supported.
No application mode support (not needed for any
application).
MMI-mode details • USSD messages displayed until removed by user
• It is possible to scroll up and down the text in
USSD messages
Format Visible Max Animation Colours Visible col-
ours
Transpar-
ency support
GIF 160x160
pics
640x480
pixels
50 frames (1
frame/
100ms)
256 65535
(5:6:5=RGB;
less blue
colours)
JPEG 160x160
pics
640x480
pixels
No 16.8 mil. 65535
WBMP 160x160
pics
320x320
pixels
No Black/
White
2
PNG 160x160
pics
640x480
pixels
No 65535 65535
BMP 160x160
pics
640x480
pixels
No 16.8 mil. 65535
Feature File type Max. size PC/
Cable
PC/
IrDA
PC/
BT
Phon
e-to-
phon
e
WAP MMS
EMS icons WBMP WxH<=1024
pixels
Yes Yes Yes Yes Yes Yes