FTDM_CAUSE_CHANNEL_UNACCEPTABLE 1017 src/ftmod/ftmod_isdn/ftmod_isdn.c fail_cause = FTDM_CAUSE_CHANNEL_UNACCEPTABLE; FTDM_CAUSE_CHANNEL_UNACCEPTABLE 1033 src/ftmod/ftmod_isdn/ftmod_isdn.c fail_cause = FTDM_CAUSE_CHANNEL_UNACCEPTABLE;