[Serusers] NAT Problem

[Iqbal]

ur UA is....?

have u run a ngrep or ethereal to see if your sjphone is actually 
sending a REGISTER request to ser, and what SER is sending back, you got 
any iptables/FW running on your machine, blocking 5060.

Iqbal

Kamran Ahmad wrote:

>hello
>
>
>i am using following
>http://www.voip-info.org/tiki-index.php?page=SER+example+NAThelper
>
>when i use serctl ul show it is showing me that that
>my user Agent is registered but My SJphone is still
>showing not registered.
>
>
>SER is on public IP and SJPhone is on private IP what
>could be the reason same configuration was working in
>my previous installation of ser on other mechine.
>
>ANY COMMENTS
>
>#my ser.cfg
>
>#
>  # $Id: ser.cfg,v 1.21 2003/06/04 13:47:36 jiri Exp $
>  #
>  # simple quick-start config script
>  #
>
>   # ----------- global configuration parameters
>------------------------
>
>  debug=3         # debug level (cmd line:
>-dddddddddd)
>  fork=yes
>  log_stderror=no	# (cmd line: -E)
>
>  /* Uncomment these lines to enter debugging mode 
>  debug=7
>  fork=no
>  log_stderror=yes
>  */
>
>  check_via=no	# (cmd. line: -v)
>  dns=no           # (cmd. line: -r)
>  rev_dns=no      # (cmd. line: -R)
>  port=5060
>  children=4
>  fifo="/tmp/ser_fifo"
>
>  alias=mydomain.dyndns.org
>
>  # ------------------ module loading
>----------------------------------
>
>  
>  loadmodule "/usr/local/lib/ser/modules/nathelper.so"
>  loadmodule "/usr/local/lib/ser/modules/textops.so"
>  loadmodule "/usr/local/lib/ser/modules/sl.so"
>  loadmodule "/usr/local/lib/ser/modules/tm.so"
>  loadmodule "/usr/local/lib/ser/modules/rr.so"
>  loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
>  loadmodule "/usr/local/lib/ser/modules/usrloc.so"
>  loadmodule "/usr/local/lib/ser/modules/registrar.so"
>
>  
>  # ----------------- setting module-specific
>parameters ---------------
>  # -- usrloc params --
>  modparam("usrloc", "db_mode",   0)
>
>
>  # -- rr params --
>  # add value to ;lr param to make some broken UAs
>happy
>  modparam("rr", "enable_full_lr", 1)
>
>  # -------------------------  request routing logic
>-------------------
>
>  # main routing logic
>
>  route{
>
>	# initial sanity checks -- messages with
>	# max_forwards==0, or excessively long requests
>	if (!mf_process_maxfwd_header("10")) {
>		sl_send_reply("483","Too Many Hops");
>		break;
>	};
>
>	# we record-route all messages -- to make sure that
>	# subsequent messages will go through our proxy;
>that's
>	# particularly good if upstream and downstream
>entities
>	# use different transport protocol
>	record_route();	
>	# loose-route processing
>	if (loose_route()) {
>		t_relay();
>		break;
>	};
>
>	# if the request is for other domain use UsrLoc
>	# (in case, it does not work, use the following
>command
>	# with proper names and addresses in it)
>	if (uri==myself) {
>
>		if (method=="REGISTER") {
>			save("location");
>			break;
>		};
>
>		# native SIP destinations are handled using our
>USRLOC DB
>		if (!lookup("location")) {
>			sl_send_reply("404", "Not Found");
>			break;
>		};
>	};
>
>       #inserted by klaus
>       if (method=="INVITE") {
>                record_route();
>                force_rtp_proxy();
>                /* set up reply processing */
>                t_on_reply("1");
>        };
>
>
>	# forward to current uri now; use stateful
>forwarding; that
>	# works reliably even if we forward from TCP to UDP
>	if (!t_relay()) {
>		sl_reply_error();
>	};
>
>  }
>
>  #inserted by klaus
>  # all incoming replies for t_onrepli-ed transactions
>enter here
>  onreply_route[1] {
>       if (status=~"[12][0-9][0-9]")
>                force_rtp_proxy();
>  }
>
>
>
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>.
>
>  
>