diff -urN sipp-3.0.src.org/call.cpp sipp-3.0.src/call.cpp
--- sipp-3.0.src.org/call.cpp	2007-11-06 11:18:07.000000000 +0100
+++ sipp-3.0.src/call.cpp	2008-08-21 14:31:22.054118798 +0200
@@ -41,6 +41,7 @@
 #include <iostream>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <limits.h>
 
 #ifdef PCAPPLAY
 #include "send_packets.h"
diff -urN sipp-3.0.src.org/scenario.cpp sipp-3.0.src/scenario.cpp
--- sipp-3.0.src.org/scenario.cpp	2007-07-26 12:16:49.000000000 +0200
+++ sipp-3.0.src/scenario.cpp	2008-08-21 14:30:20.810792636 +0200
@@ -27,6 +27,7 @@
  */
 
 #include <stdlib.h>
+#include <limits.h>
 #include "sipp.hpp"
 #ifdef HAVE_GSL
 #include <gsl/gsl_rng.h>