problem while interfacing 8051 with gsm module

hai.. we are interfacing gsm module(sim300) with 8051 for led display....but we have problem here...we are able to interface the module with pc and getting proper response on hyperterminal...and also...
problem while interfacing 8051 with gsm module

hai.. we are interfacing gsm module(sim300) with 8051 for led display....but we have problem here...we are able to interface the module with pc and getting proper response on hyperterminal...and also...
Linker error(Error: L6248E) while compiling code.

Hi, I am using ARM DS-5 IDE and have compiled some zigbee related code and faces linker error like some of below Error: L6248E: my-interface-uart.o(.data) in PI region 'ER_RW' cannot have address type...
Linker error(Error: L6248E) while compiling code.

Hi, I am using ARM DS-5 IDE and have compiled some zigbee related code and faces linker error like some of below Error: L6248E: my-interface-uart.o(.data) in PI region 'ER_RW' cannot have address type...
should there be one or two rs232 while interfacing gsm module with 8051

we are having a problem while interfacing a gsm module with 8051, we are able to correctly interface gsm module and 8051 with pc seperately.but while both are connected together we are not able to sent...