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 GSM call.
Report results.
Ioannis
Re: how to establish data call ??
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 GSM call.
Report results.
Ioannis
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