interfacing gsm with controller

[aarti159]

hi, i interfacing gsm sim300 module with 89s52. but i m not able to make a call through controller. plz help me out of this. its urgent.

 

[geethanjali.ms]

where u struggle to make a call?

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where u struggle to make a call?

 

[amayilsamy]

Check your AT Commands.

And check your modem properly communicate with microcontroller

Post your Schematic diagram.

 

[aarti159]

Check your AT Commands.

And check your modem properly communicate with microcontroller

Post your Schematic diagram.

hey, i've done it. there was problem with my gsm... i tried with other gsm then it works..
but now my prb is that my gsm works properly with hyperterminal... but when i connect it with controller it doesn't works properly..
so can anyone help me out from this????

 

[jjeevan007]

post ur code