problem to connect internet via gprs modem (wavecom & sim908)

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RAMTIN63

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HI
I have a problem to connect internet via gprs modem (wavecom & sim908)
AT
OK

AT+CGATT=1
OK

AT+CGCLASS?
+CGCLASS: "B"

AT+CGCLASS=?
+CGCLASS: ("CG","CC","B")
OK

AT+CGCLASS="CG"
OK

OK
AT+CGREG?
+CGREG: 0,1

OK
AT+CGREG=1
OK

+CGREG: 1
AT+CGACT=1,1
OK

AT+CGDCONT=1,"IP","mtnirancell"
OK

AT+CDNSCFG="208.67.222.222"."208.67.222.222"
ERROR

AT+CSTT="mtnirancell","",""
ERROR

plz guide me !!
 

Try this:
1. AT+CGATT=1 //wait for OK response
2. AT+CGDCONT=1,"IP","mtnirancell" //verify your APN + wait for OK response
3. AT+CSTT = "<your APN>" //wait for OK response
4. AT+CIICR //wait for OK response
5. AT+CIFSR // see your module's Ip
 


dear salmanliaquat :

I do that but
::-(
AT+CGATT=1
OK
AT+CGDCONT=1,"IP","mtnirancell"
OK
AT+CSTT="mtnirancell","",""
ERROR
 

RAMTIN63 said:
dear salmanliaquat :

I do that but
::-(
AT+CGATT=1
OK
AT+CGDCONT=1,"IP","mtnirancell"
OK
AT+CSTT="mtnirancell","",""
ERROR[/QUOTE

Is it possible because sim908 ?
and it dosent work good for GPRS connection ?
Click to expand...
 

salmanliaquat said:
Have you tried what i told u. i.e ( AT+CSTT="mtnirancell" ) instead??
Click to expand...

HI Dear :
i solved my problem , i used a sim908 and wavecome and they had some problem to cconnect to internet ,
I prepare a sim 900 and test it , every things is ok .
Thx for your support .:grin::lol:;-)
 

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