Hi Jerônimo,

<snip>

> After that, I've changed "setup_huawei" at plugins/udevng.c to force
> Pcui to point to ttyUSB2, but then I got stuck at the next AT commnad,
> 'ATI': 
> ofonod[241]: src/modem.c:get_modem_property() modem 0x1909b0 property Modem
> ofonod[241]: plugins/huawei.c:open_device() Modem /dev/ttyUSB0
> ofonod[241]: src/modem.c:get_modem_property() modem 0x1909b0 property Pcui
> ofonod[241]: plugins/huawei.c:open_device() Pcui /dev/ttyUSB2
> ofonod[241]: Modem: > ATE0 +CMEE=1\r
> ofonod[241]: PCUI: > ATE0 +CMEE=1\r
> ofonod[241]: Modem: < \r\nOK\r\n
> ofonod[241]: PCUI: < \r\nOK\r\n
> ofonod[241]: PCUI: > ATI\r
> 

Try switching the PCUI and Modem ports?  E.g. run PCUI on ttyUSB0 and
vice versa.

> So, can anyone give me a clue of what to do next?

Not much I can suggest besides tracing what ports / commands makes this
hardware work and try to replicate.

Regards,
-Denis