FTDM_CPC_UNKNOWN 383 src/ftmod/ftmod_r2/ftmod_r2.c return FTDM_CPC_UNKNOWN; FTDM_CPC_UNKNOWN 392 src/ftmod/ftmod_r2/ftmod_r2.c return FTDM_CPC_UNKNOWN; FTDM_CPC_UNKNOWN 395 src/ftmod/ftmod_r2/ftmod_r2.c return FTDM_CPC_UNKNOWN; FTDM_CPC_UNKNOWN 412 src/ftmod/ftmod_r2/ftmod_r2.c case FTDM_CPC_UNKNOWN: FTDM_CPC_UNKNOWN 450 src/ftmod/ftmod_r2/ftmod_r2.c if (ftdmchan->caller_data.cpc == FTDM_CPC_INVALID || ftdmchan->caller_data.cpc == FTDM_CPC_UNKNOWN) { FTDM_CPC_UNKNOWN 272 src/include/freetdm.h FTDM_CPC_UNKNOWN,