Hi, i will try to describe the problem basicly It disconnects from GPRS after some passive time. After some more time, we can not reach the modem by CALL (Even by mobile phone->Operator says the number you called can not be reached at the moment… ). But when we look our logs, it shows that AT+CRE…

GSM network problem

awneil February 21, 2011, 9:25am 2

What disconnects?

How does it “disconnect”?

Can you try issuing AT+COPS=0 in this condition?
See: Undocumented side-effect of AT+COPS=0

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