Data over normal GSM call

[Tilman Baumann]

Mikko Rauhala wrote:

> A quick glance finds mostly mentions of 1st gen analog mobiles having
> been used with modems, and notably "At the same time, the speech
> oriented audio compression used in GSM actually meant that data rates
> using a traditional modem connected to the phone would have been even
> lower than with older analogue systems."
> 
The Wikipedia article is somewhat misleading here.

CSD is real data transfer over the GSM network which is translated via 
Gateways into PSTN modem calls. A service of the GSM network.

Somehow they managed to mix that modem via voice stuff into the CSD article.
(Or at least this is how i undrstood this. *g* )