NULLP 769 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_rcv.c ftdm_assert(mBuf != NULLP, "Received a Q931 trace with no buffer"); NULLP 819 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_rcv.c ftdm_assert(mBuf != NULLP, "Received a Q921 trace with no buffer");