/* check if we do signal or reject an incoming call  */
static int pcbit_check_msn(struct pcbit_dev *dev, char *msn)
/* check if we do signal or reject an incoming call  */
static int pcbit_check_msn(struct pcbit_dev *dev, char *msn)
{
	struct msn_entry *ptr;
	for (ptr=dev->msn_list; ptr; ptr=ptr->next) {
		if (ptr->msn == NULL) 
			return 1;
		if (strcmp(ptr->msn, msn) == 0)
			return 1;
	}
	return 0;
}