PIC16F877A + GSM Modem Simple Send SMS Program NOT working

Code C - [expand]
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#include <stdio.h>
#include <pic.h>
#include <16F877A.h>
#device adc=16
 
#FUSES NOWDT //No Watch Dog Timer
#FUSES HS //High speed Osc (> 4mhz for PCM/PCH) (>10mhz for PCD)
#FUSES NOBROWNOUT //No brownout reset
 
#use delay(clock=20000000)
#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7,bi ts=8,stream=PORT1)
 
 
void main()
{
SET_TRIS_A(0x01); //bit 0 as input
 
//i put a 10-second delay in here for the GSM Modem to initialize
 
printf("AT+CMGF=1\r\n"); //set to text mode
printf("AT+CMGS=\"xxxxxxxxxxx\"\r\n"); //put your number here
printf("this is a message!");
putchar(0x1A);
 
output_high(PIN_A2);
}

Code C - [expand]
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bool gsmSMS::smsInit(){
 
    if(!sendRecQuickATCommand("AT+CMGF=1")) return 0;               // set tesxt mode not PDU   
    //Configuration for receive/send SMS
    if(!sendRecQuickATCommand("AT+CNMI=0,0,0,0,0")) return 0;   // set receive action, all quite on the western..
    //SET to no buffer no notification on recive using CNMI
    //USE AT+CNMI=2,2,2,1,0 to have messages send to DTE on reception.  
    //<buffer notification>, <no notification sent to DTE>, 
    //<no brodcast notification>,<no status notification>, 
    //<when buffering switches state flushes all stored notification to DTE >
    sendRecQuickATCommand("AT#SMSMODE=0");          // set extended smsmode off error
                                    // means not supported anyway   
return 1;
}