Index: Makefile
===================================================================
RCS file: /usr/cvsroot/asterisk/Makefile,v
retrieving revision 1.72
diff -u -r1.72 Makefile
--- Makefile	12 Jan 2004 03:19:25 -0000	1.72
+++ Makefile	12 Jan 2004 20:32:49 -0000
@@ -115,6 +115,9 @@
 CFLAGS+=-pthread
 endif
 
+# Comment this out if you have trouble with Feature B signalling (rare)
+CFLAGS+=-DOLD_DSP_ROUTINES
+
 CFLAGS+=$(shell if [ -f /usr/include/linux/zaptel.h ]; then echo "-DZAPTEL_OPTIMIZATIONS"; fi)
 
 LIBEDIT=editline/libedit.a