diff -ur build-tree.orig/sw-23/jack.udp.c build-tree/sw-23/jack.udp.c
--- build-tree.orig/sw-23/jack.udp.c	2004-01-17 11:08:30.000000000 +0100
+++ build-tree/sw-23/jack.udp.c	2007-07-22 13:08:48.000000000 +0200
@@ -41,6 +41,7 @@
   fprintf ( stderr , "   -p  Set the port number (default=57120).\n" ) ;
   fprintf ( stderr , "   -n  Set the number of channels (default=2).\n" ) ;
   fprintf ( stderr , "   -r  Set the remote addrress to send to (default=\"127.0.0.1\").\n" ) ;
+  fprintf ( stderr , "   -N  Set the identifier used with the JACK system (default=\"jack.udp\").\n" ) ;
   FAILURE ;
 }
 
@@ -53,7 +54,8 @@
   int c ;
   int port_n = 57120 ;
   char *hostname =  NULL ;
-  while ( ( c = getopt ( argc , argv , "b:hn:p:r:" ) ) != -1 ) {
+  char *jackname = "jack.udp" ;
+  while ( ( c = getopt ( argc , argv , "b:hn:p:r:N:" ) ) != -1 ) {
     switch ( c ) {
     case 'b':
       d.buffer_size = atoi ( optarg ) ;
@@ -70,6 +72,9 @@
     case 'r':
       hostname = optarg ;
       break ;
+    case 'N':
+      jackname = optarg ;
+      break ;
     default:
       printf ("jack.udp: Illegal option %c.\n" , c ) ;
       jackudp_usage () ;
@@ -94,7 +99,7 @@
   d.j_buffer = xmalloc ( d.buffer_size ) ;
   d.rb = jack_ringbuffer_create ( d.buffer_size ) ;
   xpipe ( d.pipe ) ;
-  jack_client_t *client = jack_client_uniq ( "jack.udp" ) ;
+  jack_client_t *client = jack_client_uniq ( jackname ) ;
   jack_set_error_function ( jack_minimal_error_handler ) ;
   jack_on_shutdown ( client , jack_minimal_shutdown_handler , 0 ) ;
   jack_set_process_callback (client, recv_mode ? jackudp_recv_process : jackudp_send_process, &d ) ;