diff -wruN ../orig-bayonne-1.2.11/configure.in ./configure.in
--- ../orig-bayonne-1.2.11/configure.in	2003-11-25 22:25:44.000000000 +0100
+++ ./configure.in	2004-08-31 12:50:01.000000000 +0200
@@ -264,7 +264,9 @@
 if test $ost_cv_openh323 = true ; then OH323_DRIVER=oh323
 else OH323_DRIVER="" ; fi ; AC_SUBST(OH323_DRIVER)
 
-if test $ost_cv_capi20_driver = true ; then CAPI20_DRIVER=capi20
+if test $ost_cv_capi20_driver = true ; then
+  CAPI20_DRIVER=capi20
+  CS_TEST_ALERT
 else CAPI20_DRIVER="" ; fi ; AC_SUBST(CAPI20_DRIVER)
 
 if test $ost_cv_lib_fox = true 
diff -wruN ../orig-bayonne-1.2.11/drivers/capi20/idle.cpp ./drivers/capi20/idle.cpp
--- ../orig-bayonne-1.2.11/drivers/capi20/idle.cpp	2003-04-09 16:13:35.000000000 +0200
+++ ./drivers/capi20/idle.cpp	2004-08-31 14:24:51.958940042 +0200
@@ -152,7 +152,11 @@
 				(unsigned char *)"",
 				(unsigned char *)"",
 				(unsigned char *)"",
-				(unsigned char *)"");
+				(unsigned char *)""
+#ifdef HAVE_ALERT_SENDING_COMPLETE
+				,NULL
+#endif
+				);
 		if (err != CapiNoError) {
 			slog(Slog::levelError) << "CAPI: ALERT_REQ err = "
 					 << err << endl;
diff -wruN ../orig-bayonne-1.2.11/m4/ost_capi.m4 ./m4/ost_capi.m4
--- ../orig-bayonne-1.2.11/m4/ost_capi.m4	2003-06-10 18:48:24.000000000 +0200
+++ ./m4/ost_capi.m4	2004-08-31 12:51:06.000000000 +0200
@@ -33,4 +33,18 @@
 ])
 
 
-
+#
+# old capiutils.h missed the sending_complete parameter
+#
+#
+AC_DEFUN(CS_TEST_ALERT,
+	[AC_MSG_CHECKING([for capi20 ALERT with sending complete])
+	AC_TRY_COMPILE([#include <capiutils.h>],
+	[_cmsg cm; ALERT_REQ(&cm, 1, 1, 1, NULL, NULL, NULL, NULL, NULL);],
+	  [
+	    AC_DEFINE([HAVE_ALERT_SENDING_COMPLETE],1,[we have SENDING_COMPLETE in ALERT_REQ])
+	    AC_MSG_RESULT([yes])
+	  ],
+	  AC_MSG_RESULT([no])
+	)
+]) dnl CS_TEST_ALERT
diff -wruN ../orig-bayonne-1.2.11/server/ivrconfig.h.in ./server/ivrconfig.h.in
--- ../orig-bayonne-1.2.11/server/ivrconfig.h.in	2003-11-06 23:42:38.000000000 +0100
+++ ./server/ivrconfig.h.in	2004-08-31 13:30:30.828657618 +0200
@@ -1,5 +1,8 @@
 /* server/ivrconfig.h.in.  Generated from configure.in by autoheader.  */
 
+/* we have SENDING_COMPLETE in ALERT_REQ */
+#undef HAVE_ALERT_SENDING_COMPLETE
+
 /* aculab control driver */
 #undef HAVE_ACULAB_MVCLDRVR_H