diff -ru build-tree.orig/sw-23/packet.c build-tree/sw-23/packet.c
--- build-tree.orig/sw-23/packet.c	2004-01-18 00:50:51.000000000 +0100
+++ build-tree/sw-23/packet.c	2007-07-22 18:24:24.000000000 +0200
@@ -8,6 +8,7 @@
 
 #define PAYLOAD_SAMPLES   256
 #define PAYLOAD_BYTES     (PAYLOAD_SAMPLES*sizeof(float32_t))
+#define INDEX_LIMIT   2147483648
 
 typedef struct
 {
diff -ru build-tree.orig/sw-23/recv.c build-tree/sw-23/recv.c
--- build-tree.orig/sw-23/recv.c	2004-01-17 11:07:20.000000000 +0100
+++ build-tree/sw-23/recv.c	2007-07-22 18:22:40.000000000 +0200
@@ -15,19 +15,22 @@
   int last_packet = -1 ;
   while ( 1 ) {
     packet_recv ( d->fd , &p , 0 ) ;
-    if ( p.index != last_packet + 1 && last_packet != -1 ) {
-      fprintf ( stderr , "jack.udp recv: out of order packet arrival (%d, %d)\n", last_packet , (int)p.index ) ;
-      FAILURE ;
-    }
-    if ( p.channels != d->channels ) {
-      fprintf ( stderr , "jack.udp recv: channel mismatch packet arrival (%d != %d)\n", p.channels , d->channels ) ;
-      FAILURE ;
-    }
-    int bytes_available = (int) jack_ringbuffer_write_space ( d->rb ) ;
-    if ( PAYLOAD_BYTES > bytes_available ) {
-      fprintf ( stderr , "jack.udp recv: buffer overflow (%d > %d)\n", PAYLOAD_BYTES , bytes_available ) ;
+    
+    if ( p.index != ((last_packet + 1) % INDEX_LIMIT) && last_packet != -1 ) {
+      fprintf ( stderr , "jack.udp recv: out of order packet arrival (%d, %d)\n", last_packet , p.index ) ;
+      last_packet = -1;
     } else {
-      jack_ringbuffer_write_exactly ( d->rb , (char *) p.data , (size_t) PAYLOAD_BYTES ) ;
+      last_packet = p.index;
+      if ( p.channels != d->channels ) {
+        fprintf ( stderr , "jack.udp recv: channel mismatch packet arrival (%d != %d)\n", p.channels , d->channels ) ;
+        FAILURE ;
+      }
+      int bytes_available = (int) jack_ringbuffer_write_space ( d->rb ) ;
+      if ( PAYLOAD_BYTES > bytes_available ) {
+        fprintf ( stderr , "jack.udp recv: buffer overflow (%d > %d)\n", PAYLOAD_BYTES , bytes_available ) ;
+      } else {
+        jack_ringbuffer_write_exactly ( d->rb , (char *) p.data , (size_t) PAYLOAD_BYTES ) ;
+      }
     }
   }  
   return NULL;
diff -ru build-tree.orig/sw-23/send.c build-tree/sw-23/send.c
--- build-tree.orig/sw-23/send.c	2004-01-17 11:07:13.000000000 +0100
+++ build-tree/sw-23/send.c	2007-07-22 18:23:59.000000000 +0200
@@ -13,10 +13,11 @@
 {
   jackudp_t *d = (jackudp_t *) PTR ;
   packet_t p ;
-  p.index = 0 ;
+  int last_index = 0;
+
   while ( 1 ) {
     jack_ringbuffer_wait_for_read ( d->rb , PAYLOAD_BYTES , d->pipe[0] ) ;
-    p.index++ ;
+    p.index = (last_index++ % INDEX_LIMIT);
     p.channels = d->channels ;
     p.frames = PAYLOAD_SAMPLES / d->channels ;
     jack_ringbuffer_read_exactly ( d->rb , (char *)&(p.data) , PAYLOAD_BYTES ) ;