First, thank you for your patience and help..And your explain for my very clear and useful.
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Secondly I made as what you said..
unplug usb modem..
turn off box..
turn on box..
here lsusb before plug modem..
Bus 001 Device 002: ID 0781:556b SanDisk Corp.
Bus 003 Device 000: ID 0000:0000 CD-R/RW Drive
Bus 002 Device 000: ID 0000:0000 CD-R/RW Drive
Bus 001 Device 000: ID 0000:0000 CD-R/RW Drive
and here is after pluged to box without do anything else...
Bus 001 Device 001: ID 12d1:1446 Huawei Technologies Co., Ltd.
Bus 001 Device 002: ID 0781:556b SanDisk Corp.
Bus 003 Device 000: ID 0000:0000 CD-R/RW Drive
Bus 002 Device 000: ID 0000:0000 CD-R/RW Drive
Bus 001 Device 000: ID 0000:0000 CD-R/RW Drive
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I have read before about switching modems in Linux..but my usb modem work normally on ubuntu 10.04 just plug it and click to Mobile network option and select my country and telecommunications Company then connected well...
P.s: if i put in Mopedus VID 12d1 and PID 1446 and click connect plugin try to dailing with or without use Usb_modeswitch, But if i make VID = blank and PID = blank and also make use Usb_modeswitch = Yes i get " PPPd:unrecognized option '/dev/ttyUSB0 or 2'...maybe this p.s help you to make help me...
Thank you again
Edited by fairbird, 7 June 2012 - 20:07.