U_FRAME 164 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_trace.c frame_format = U_FRAME; U_FRAME 202 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_trace.c case U_FRAME: U_FRAME 126 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_trace.h {U_FRAME, "Unnumbered"},