sending message from gsm to txtweb service

shreesha

hello everyone i am trying to send message from gsm to txtweb service special number 51115.here is the code

include "prototype.h"

/************************* GSM INITIALIZATION **********************************/
void gsm_ini()
{
uart_string("AT");
uart_tx(0x0D);
uart_tx(0x0A);
RI = 0;
while(uart_rx() != 'K');

uart_string("ATE0");
uart_tx(0x0D); 
uart_tx(0x0A);
while(uart_rx() != 'K');

uart_string("AT+CNMI=2,2,0,0,0");
uart_tx(0x0D); 
uart_tx(0x0A);  
while(uart_rx() != 'K');

uart_string("AT+CMGF=1");
uart_tx(0x0D); 
uart_tx(0x0A);
while(uart_rx() != 'K');

}

/******************************* GSM SENDING ***********************************/
void gsm_send(unsigned char *num)
{
uart_string("at+cmgs=\"");
uart_string( num );
uart_tx('"');

uart_tx(0x0D); 
uart_tx(0x0A); 

while(uart_rx() != '>');


func();
lcd_cmd(0x01);
lcd_string("Sending....");
    uart_tx(0x1A);

while(uart_rx() != 'K');

lcd_cmd(0x01);
lcd_cmd(0x80);

}
/************************** message function ****************************/
void func()
{
int g;
uart_string("HELP ME!!!!!!");
uart_tx(0x0D);
uart_tx(0x0A);

    uart_string("lattitude:");
    for(g=18;g<29;g++)
    uart_tx(b[g]);

uart_tx(0x0D); 
uart_tx(0x0A);

    uart_string("longitude:");
        for(g=30;g<42;g++)
        uart_tx(b[g]);

}

but i am failing to send the message .please somebody who used txtweb service before please help.

shreesha

for normal numbers it works fine