there is no respond after AT+CMGS in sim900

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nta_xyz

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hi.

I write this code for sending sms by sim900:

Code: 
AT+CMGF=1;
AT+CSCS="GSM";
AT+CMGS="MY PHONE NUMBER";
//Write my SMS
SendCharToGPRS(0x1A);

after send 0x1A I receive the sms in my phone but I dont get any answer form sim900.
I think sim900 should send me "+CMGS:"LENGTH" but nothing happen .

could you please help me ?
 

1. AT+CMGF=1<ENTER>
2. AT+CSCS="GSM"<ENTER>
3. AT+CMGS="DESTINATION MOBILE NUMBER"<ENTER>
4. > ------>This will be recvd in your UART...Once this symbol is received type something and to send give CTRL+Z"..
5. 0x1A
 

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