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Thar service i called DATA/FAX service (at least here I am) and is seperate service, charged according to your provider. You have to ask for activation and the provider will give you a second number...

What are the parameters of the at+cbst command?

Ioannis

Yes that is what i meant. The good old fashioned 28.8 or 33.6 or 56K modem. Maybe you have a laptop with such a device still on.

Ioannis

Do you have a land modem to make a test?

If yes, call it and see if it rings.

Then with the help of a terminal program send ATA to the modem and see if you manage to get a connection from the...

According to your manual, you seem to have set it up OK for CSD.

The number you are calling does ring? Is it a land phone line with an old modem?

Does this modem answer the call?

Does this...

A "data call" is not correct.

By data call I suppose you do not mean a 9600, modem connection, right? This is different story. Just get a data/fax service from your provider (usually a new...

Hi John.

In general is very easy to set it up.

The only trap was the buffer, that was factory set up to a very large number, I think 2 or 4000 bytes.

So my initial attempts to send a few...

I think I told you that it is totally dependant on the model of your device.

Read your device manual or data sheet and see what commands it needs.

Ioannis

It is not that simple.

You need to setup the GPRS modem according to its specific AT commands. Either on a terminal or through your PIC controller.

Then you have to open a "channel" to a Static...