BCCallRef         385 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h ftdm_status_t get_callref(ftdm_channel_t *ftdmchan, BCCallRef* callRef);
BCCallRef         165 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c ftdm_status_t get_callref(ftdm_channel_t *ftdmchan, BCCallRef* callRef)