diff --git a/print-sip.c b/print-sip.c
new file mode 100644
index 0000000..b4d13b1
--- /dev/null
+++ b/print-sip.c
@@ -0,0 +1,60 @@
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code
+ * distributions retain the above copyright notice and this paragraph
+ * in its entirety, and (2) distributions including binary code include
+ * the above copyright notice and this paragraph in its entirety in
+ * the documentation or other materials provided with the distribution.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
+ * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
+ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ *
+ * Original code by Hannes Gredler (hannes@juniper.net)
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-sip.c,v 1.1 2004/07/27 17:04:20 hannes Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "interface.h"
+#include "extract.h"
+
+#include "udp.h"
+
+void
+sip_print(register const u_char *pptr, register u_int len)
+{
+    u_int idx;
+
+    printf("SIP, length: %u%s", len, vflag ? "\n\t" : "");
+
+    /* in non-verbose mode just lets print the protocol and length */
+    if (vflag < 1)
+        return;
+
+    for (idx = 0; idx < len; idx++) {
+        if (EXTRACT_16BITS(pptr+idx) != 0x0d0a) { /* linefeed ? */
+            safeputchar(*(pptr+idx));
+        } else {
+            printf("\n\t");
+            idx+=1;
+        }
+    }
+
+    /* do we want to see an additionally hexdump ? */
+    if (vflag> 1)
+        print_unknown_data(pptr,"\n\t",len);
+
+    return;
+}