RE: Just thinking... GPRS, 3G

["Roger" <roger@xxxxxxx>]

But if the phone opens the session you don't care if the phone's address is
translated through NAT

> Even with the SMS used to activate, I still dont think you
> can access the
> phones IP address from outside (ie the internet)!!
> ----- Original Message -----
> From: "Roger" <roger@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Friday, March 08, 2002 9:19 PM
> Subject: RE: [ukha_d] Just thinking... GPRS, 3G
>
>
> > You are right, the phone must initiate the session... but
> you could send a
> > SMS to kick the phone to open a session
> >
> > One problem is that the connection is asymetric with only
> one channel
> being
> > used on the uplink so the uplink speed is about the same as
> data over GSM
> >
> > Siemens have a nice new GPRS module though
> >
> > Roger Shingler
> >
> > > I'm not 100% about this, but you cannot acces your GPRS
> > > phones IP address
> > > from the internet as far as I'm aware. I work in the mobile
> > > phone business,
> > > but more on the radio side of it. When GPRS came out I was
> > > thinking along
> > > the lines of Mark, so made some queries with the GPRS guys,
> > > and they said
> > > that at the moment you cannot access your gprs phone from
the net.
> > >
> > > Eamon
> > > ----- Original Message -----
> > > From: "Andy Laurence" <andylaurence@xxxxxxx>
> > > To: <ukha_d@xxxxxxx>
> > > Sent: Friday, March 08, 2002 1:40 PM
> > > Subject: Re: [ukha_d] Just thinking... GPRS, 3G
> > >
> > >
> > > > > How likely is it that in the (near) future I could
add
> > > some sort of GPRS
> > > > or 3G mobile
> > > > > module to my HA server to allow this?  Obviuosly
I'd need
> > > some sort of
> > > > tarrif that took
> > > > > advantage of the always on aspects of these
services
> > > without a crippling
> > > > subsription?
> > > >
> > > > You can add a GPRS connection to a PC now.  In fact, my
> > > Ericsson T39 will
> > > > connect to the Internet via GPRS now and act as a modem
for
> > > any machine
> > > with
> > > > a Bluetooth or IrDA connection.  I'm not sure how they
> deal with IP
> > > > addresses and allocation.  I suppose as it's always on,
you
> > > must always
> > > have
> > > > an IP address.  If so, http://www.dyndns.org or
> > > http://www.dns2go.com
> > > would
> > > > be capable of keeping you easily accessible.  Of
course,
> > > they may use
> > > > proprietry systems with a gateway to the Internet, in
which
> > > case you're
> > > > scuppered :-(
> > > >
> > > > Andy
> > > > --
> > > > PC-Based Multimedia System
> > > > http://www.andylaurence.pwp.blueyonder.co.uk/pcbmms
> > > > Get paid to receive SMS
> > > > http://www.dynamicsms.com.au/intro.asp?ref=07789817509&refc=429
> > > >
> > > >
> > > >
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