*** mediaproxy-1.2.1/mediaproxy.py       2005-01-24 18:54:54.000000000 +0100
--- mediaproxy.py       2005-04-18 14:28:36.000000000 +0200
***************
*** 27,32 ****
--- 27,35 ----
      parser.add_option("--ip", dest="proxyIP", type="ip", default=None,
                        help="use this IP to talk to the RTP parties (first found)",
                        metavar="IP")
+     parser.add_option("--vip", dest="virtualIP", type="ip", default=None,
+                       help="use this IP in SDP payload (for NATed mediaproxy servers)",
+                       metavar="IP")                      
      parser.add_option("--ports", dest="ports", type='ports', default=(35000, 65000),
                        help="rtp port range (35000:65000)",
                        metavar="min:max")
***************
*** 70,75 ****
--- 73,79 ----
      if options.listenAddr is not None:
          rtphandler.tcpListenAddress = options.listenAddr
      rtphandler.proxyIP = proxyIP
+     rtphandler.virtualIP = options.virtualIP
      rtphandler.minPort = options.ports[0]
      rtphandler.maxPort = options.ports[1]
      rtphandler.TOS = options.tos

--- mediaproxy-1.2.1/modules/rtphandler.py      2005-08-16 23:37:24.000000000 +0200
+++ modules/rtphandler.py       2005-09-20 07:45:13.000000000 +0200
@@ -25,6 +25,7 @@
 forceClose  =     0 ## Close a sesion after this much time (0 for no timeout)

 proxyIP = '0.0.0.0'
+virtualIP = '0.0.0.0'
 minPort = 35000     ## Must be even!!!
 maxPort = 65000     ## Must be even!!!
 crtPort = minPort   ## Must be even!!!
@@ -1076,5 +1077,5 @@
     def endpointAddresses(self):
         '''Return the IP address and the RTP data port(s) that will be used by this session'''
         ports = [str(stream.rtpStream.addr[1]) for stream in self.mediaStreams]
-        return " ".join([proxyIP] + ports)
+        return " ".join([virtualIP] + ports)