ftdm_is_number 112 src/ftdm_call_utils.c FT_DECLARE(ftdm_status_t) ftdm_is_number(char *number) ftdm_is_number 338 src/ftdm_io.c if (FTDM_FAIL == ftdm_is_number(caller_data->cid_num.digits)) { ftdm_is_number 44 src/include/private/ftdm_call_utils.h FT_DECLARE(ftdm_status_t) ftdm_is_number(char *number);