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SubjectRe: omap4-droid4: voice call support was Re: [PATCHv5,5/5] ARM: dts: omap4-droid4: add soundcard
* Pavel Machek <> [180329 16:09]:
> > Then using the n_gsm ts 27.010 uart mux, I dial:
> >
> > ./ngsm-rw 1 "AT+CFUN=1" # connect to network
> > U0001+CFUN:OK
> > ./ngsm-rw 2 "AT+CMUT=0" # unmute speaker over ch2, do this over qmi?
> > U0001+CMUT:OK
> > ./ngsm-rw 1 "ATD#123" # dial number
> > U0001D:OK
> >
> > And I do hear a voice talking over the speakerphone :) Sorry have not tested the
> > mic yet..
> Hehe, ok, that's fun! I don't need +CMUT=0. It gave me error but then
> the call worked, anyway... (I'm working with ttyUSB4).

Oh interesting. So maybe Android is doing AT+CMUT=0 for some other
modems and it's not really needed? Or you have settings preserved
from warm boot from Android?

I did not have any luck with ttyUSB4 last night. Did you dial with
ATD123; or ATD123? So is the semicolon really needed?

> I don't know how to hang the call up. ATH did not work for me.

OK ATH works for me on n_gsm channel 1.

> And no, microphone does not work.

Yeah so conf calls only for now.


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