FTDM_USER_LAYER1_PROT_ALAW 103 src/ftdm_call_utils.c *target =FTDM_USER_LAYER1_PROT_ALAW ; FTDM_USER_LAYER1_PROT_ALAW 522 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c case FTDM_USER_LAYER1_PROT_ALAW: