hello every one
i have problem in 8051.When i send a sms using 8051 its send sms but in last it repeat number i used hyper terminal and C code for 8051 i used following codes
"AT+CMGS=\"<Number>\""// number string
{0x0A,0x0D};//send carriage return and line feed
"Message";//Message
{0x1A};//send SUB hex value is 0x1A
after that i received same message as i write the codes but an error.....
AT+CMGS="NUMBER"
MESSAGE
AT+CMGS="NUMBER" // i received this error at end of the command
but in the last its send number string again please some one advice me where is the error