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Forum: µC & Digital Electronics Siemens GSM-Modem TC35i


Author: Kenotux (Guest)
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Hi,

I have bought a TC35i GSM-Modem and tried to phone with the AT-Command

ATD<number>

but it always sais "NO CARRIER". Why?

Thanks for answering,
Kenotux

Author: Andreas (Guest)
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Antenna is connected?

Author: engine (Guest)
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You have to enter the PIN and be booked in to a GSM Provider.

whats the answer of at+cops? and at+cpin?

Author: Kenotux (Guest)
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I already deactivated the pin, when I put the SIM-card into another 
mobile phone.

AT+COPS?
+COPS: 0,0,"o2 - de"

oO

Before it always said 0,3

But now it works... perhaps because I turned out the power again?

Author: engine (Guest)
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so, the answer befor was?
AT+COPS?
+COPS: 0,3

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