init_serial();transmit_data('A'); // Transmit 'A' to serial portdelay(1);transmit_data('T'); // Transmit 'T' to serial portdelay(1);transmit_data(0x0d); // Transmit carriage return to serial portdelay(500);lcd_cmd(0x01);lcd_data_string("Calling Rizvi");delay(100);lcd_cmd(0xC0); lcd_data_string("ATD+ 96892587929");delay(100); // Initialize LCDlcd_cmd(0x01); // Initialize serial porttransmit_data('A'); // Transmit 'A' to serial portdelay(1);transmit_data('T'); // Transmit 'T' to serial portdelay(1);transmit_data('D'); // Transmit 'D' to serial portdelay(1);transmit_data('+'); // Transmit '+' to serial portdelay(1);transmit_data(32); // Transmit Space to serial portdelay(1);transmit_data('9'); // Transmit '9' to serial portdelay(1);transmit_data('1'); // Transmit '1' to serial portdelay(1);transmit_data('1'); // Transmit '1' to serial portdelay(1);transmit_data('9'); // Transmit '9' to serial portdelay(1);transmit_data('2'); // Transmit '2' to serial portdelay(1);transmit_data('2'); // Transmit '2' to serial portdelay(1);transmit_data('8'); // Transmit '8' to serial portdelay(1);transmit_data('3'); // Transmit '3' to serial portdelay(1);transmit_data('9'); // Transmit '9' to serial portdelay(1);transmit_data('2'); // Transmit '2' to serial portdelay(1);transmit_data('2'); // Transmit '2' to serial portdelay(1);transmit_data(';'); // Transmit ';' to serial portdelay(1);transmit_data(0x0d); // Transmit carriage return to serial portdelay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);delay(500);lcd_cmd(0x80);lcd_cmd(0x01);lcd_data_string("Disconnecting");delay(100);transmit_data('A'); // Transmit 'A' to serial portdelay(1);transmit_data('T'); // Transmit 'T' to serial portdelay(1);transmit_data('H'); // Transmit 'H' to serial portdelay(1);transmit_data(0x0d); lcd_cmd(0xC0);lcd_data_string("DISCONNECTED");while(1);}