how to establish data call ??

[hjahshan]

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

what is the land modem ?? u mean modem connect to telephone line ??

[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

[hjahshan]

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

ya i have one , on my laptop , i will test this if it's done or not
thx alot

[hjahshan]

i try to do this but it failed
AT+FCLASS=0 ------------->data mode
OK
at+cbst=0,0,1 ---------> set the desired modulation & speed
OK
atd 022X1X4XY ------> this # my home telephone number, me put x & y cose it's my home NO CARRIER number

i got again no carrier

[Ioannis]

What are the parameters of the at+cbst command?

Ioannis

[hjahshan]

What are the parameters of the at+cbst command?

Ioannis

thx alot mr.Ioannis
my mobile network that i connect to it did not support this service "data call on GSM !!!!
now iam going to use GPRS over GSM network for send data
if u have any information about this tell me plz

[Ioannis]

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 for this on the same SIM card.

About GPRS, it is the best solution, speed and cost considering, but there are a lot parameters to set and all these are dependant on your device. Sorry I do not have experience with Telit.

Thats why I prefer something ready made for this purpose (see my above post #2).

Ioannis