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[SOLVED] Gprs communication after sending SMS

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ponnus

ponnus

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Hai,
I am working on a GSM modem having SIM300 stack. I can send sms and send data through gprs also. But now I want to send data through gprs, immediately after sending SMS. The problem is that, after sending an SMS, the modem doesn't respond to any other AT commands until it gives +CMGS:"" (this response always come after sending SMS). Is there any way to avoid this response? Otherwise I've to wait until this response came. Please help me...
 

hi,
follow my steps. first try from your PC and check whether modem is working or not.

send following commands:
AT+CMGF=1-----------------then 0DH for "enter"
AT+CMGS="mob no"----------then 0DH for "enter"
THEN massage + 1Ah---------for Ctrl+Z

give some delay between every command.
dont try to receive from SIM300.

it is working on my H/W
 

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