Re: About PPP and modem initialization

[Dan Williams <dcbw redhat com>]

On Mon, 2011-04-11 at 12:08 +0200, Vincenzo Romano wrote:
> Hi.
> What I need to do is to send a few extra commands to the 3G modem before
> networkmanager sends the AT+CPIN= and the ATDT commands.
> I would write down the AT sequences in a file suitable for the chat command
> but I don't really know where to hook such a thing to (provided that there
> is any possibility to).

What sort of commands does it need?  What kind of modem is it?  If the
modem deviates from the standards then we'll need to either modify an
existing plugin, or create a new plugin for the modem.

Dan

> 
> 2011/4/8 Vincenzo Romano <vincenzo romano notorand it>:
> > 2011/4/8 Dan Williams <dcbw redhat com>:
> >> On Thu, 2011-04-07 at 08:45 +0200, Vincenzo Romano wrote:
> >>> Hi all.
> >>> I'm trying to use NetworkManager in order to bring a 3G (mobile
> >>> broadband) connection up automatically
> >>> (a so called "system connection").
> >>> It works pretty well apart of an annoying recurring request for a PIN.
> >>> But this is a just a minor thing.
> >>>
> >>> What I need to do is to send a few extra AT commands to the USB modem
> >>> *before* the NM brings the
> >>> connection up and to retrieve the answers from those commands.
> >>> I've not been able to find where to hook to.
> >>
> >> That's done with a plugin for ModemManager for your specific modem
> >> hardware.  There's plugins for quite a few modems to handle their
> >> various quirks including initialization stuff.
> >>
> >> http://cgit.freedesktop.org/ModemManager/ModemManager/tree/plugins
> >>
> >> Dan
> >>
> >
> >
> > Hi Dan.
> > I don't understand fully the point.
> > Are all those plugins part of the NM distribution?
> > If so, where should I put my AT commands?
> > And where should I look for the related responses?
> >
> > Anyway, I don't see my USB modem in that list. Should I make some customization?
> >
> > --
> > Vincenzo Romano at NotOrAnd Information Technologies
> > Software Hardware Networking Training Support Security
> > --
> > tel: +39 0823 454163 fax: +39 02700506964 cel: +39 339 8083886
> > --
> > NON QVIETIS MARIBVS NAVTA PERITVS
> >
> 
> 
>