FTDM_USER_LAYER1_PROT_V110 1080 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c case FTDM_USER_LAYER1_PROT_V110: FTDM_USER_LAYER1_PROT_V110 1112 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c return FTDM_USER_LAYER1_PROT_V110; FTDM_USER_LAYER1_PROT_V110 262 src/include/freetdm.h FTDM_USER_LAYER1_PROT_V110 = 0x01,