msp430 serial port

Other Parts Discussed in Thread: MSP430F235

I am working with msp430f235. I want to enable to GSM module using serial port and also want to call at a particular number. The code for that I have written is as follows: #include "msp430f235.h" const char string1[] = { "ATD07417338415;" }; volatile unsigned int i,j=0; void main(void) { WDTCTL = WDTPW + WDTHOLD; // Stop WDT BCSCTL1 = CALBC1_1MHZ; // Set DCO DCOCTL = CALDCO_1MHZ; P3SEL = 0x30; // P3.4,5 = USCI_A0 TXD/RXD UCA0CTL1 |= UCSSEL_2; // SMCLK UCA0BR0 = 104; // 1MHz 9600; (104)decimal = 0x068h UCA0BR1 = 0; // 1MHz 9600 UCA0MCTL = UCBRS1 + UCBRS0; // Modulation UCBRSx = 3 UCA0CTL1 &= ~UCSWRST; // **Initialize USCI state machine** IE2 |= UCA0RXIE; // Enable USCI_A0 RX interrupt for(i=0;i