using a GPRS moden to go online and send SMS (but I fail)

[robert rottermann]

if somebdy atemps the same;
I had to build and install the n_gsm kernel module

with this it works nicely
robert

On 20.12.2014 20:46, robert rottermann wrote:
> Hi there,
>
> I want to use a gprs modem to go online (I am using adafruit fona)
> Setting up a connection using pppd works fine (and is rather fast).
> I also want to send and receive sms.
> This works also fine by sending AT commands to the respective device.
>
> Unfortunately  I can do only either or.
> But I would like to do both at the same time.
>
> Now I read that the modem has to be set into multiplex mode with
> AT+CMUX=...
> so more than one command can be executed at the same time.
>
> Unfortunately I find no documentation on how to do that.
> I do not even know what parameter to pass to that command.
>
> does anybody of you have an Idea or can give me a pointer to some documentation.
>
> thanks
> robert
>