[Serusers] Failed to call to PSTN

[Srbislav Cvetkovic]

hi chen,

Here is how i do it:

# Route to PSTN Gateways(s)
         if (uri=~"^sip:9[0-9]*@XX.XX.XX.XX") {        ##  This assumes 
that the caller is
             log("Forwarding to PSTN\n");                ##  registered 
in our realm
             strip(1);
            rewritehostport("PSTN-GATEWAY-IP:5060");
            forward(uri:host, uri:port);
            break;
         };

On Jan 4, 2005, at 10:27 AM, Wayne Chen wrote:

> Dear sirs,
>
> I have a AS5300 setup as PSTN and it works fine to place from PSTN to 
> SIP
> gateway in IP network. Now I want to place calls to PSTN with prefix 
> '2' and
> the prefix should be striped before forward to PSTN, but I always get 
> "404
> not found" from SER server. Could anyone help me to debug my setting on
> ser.cfg?
> I attached my ser.cfg file as below:
>
> #
> # $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei 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"
>
> # ------------------ module loading ----------------------------------
>
> # Uncomment this if you want to use SQL database
> loadmodule "/usr/lib/ser/modules/mysql.so"
>
> loadmodule "/usr/lib/ser/modules/sl.so"
> loadmodule "/usr/lib/ser/modules/tm.so"
> loadmodule "/usr/lib/ser/modules/rr.so"
> loadmodule "/usr/lib/ser/modules/maxfwd.so"
> loadmodule "/usr/lib/ser/modules/usrloc.so"
> loadmodule "/usr/lib/ser/modules/registrar.so"
>
> # Uncomment this if you want digest authentication
> # mysql.so must be loaded !
> loadmodule "/usr/lib/ser/modules/auth.so"
> loadmodule "/usr/lib/ser/modules/auth_db.so"
>
> # ----------------- setting module-specific parameters ---------------
>
> # -- usrloc params --
>
> #modparam("usrloc", "db_mode",   0)
>
> # Uncomment this if you want to use SQL database
> # for persistent storage and comment the previous line
> modparam("usrloc", "db_mode", 2)
>
> # -- auth params --
> # Uncomment if you are using auth module
> #
> modparam("auth_db", "calculate_ha1", yes)
> #
> # If you set "calculate_ha1" parameter to yes (which true in this 
> config),
> # uncomment also the following parameter)
> #
> modparam("auth_db", "password_column", "password")
>
> # -- 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;
>       };
>       if ( msg:len > max_len ) {
>             sl_send_reply("513", "Message too big");
>             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") {
>
> # Uncomment this if you want to use digest authentication
> #                 if (!www_authorize("iptel.org", "subscriber")) {
> #                       www_challenge("iptel.org", "0");
> #                       break;
> #                 };
>
>                   save("location");
>                   break;
>             };
>
>             # native SIP destinations are handled using our USRLOC DB
>             if (!lookup("location")) {
>                   sl_send_reply("404", "Not Found");
>                   break;
>             };
>       };
>
>         #handle PSTN calls
>         if (uri=~ "^sip:2"){
>                 log(1,"Forwarding to PSTN/n");
>                 strip(1);
>                 rewritehostport("220.XX.XX.XX:5060");
>                 if (!t_relay()) {
>                         sl_reply_error();
>                         break;
>                 };
>         };
>
>
>
>       # 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();
>       };
>
> }
>
>
>
>
>
> I also try t_relay_to_udp() and forward(), but both can't help to 
> forward
> call to PSTN gateway.
>
> Regards,
> Wayne
>
> _______________________________________________
> Serusers mailing list
> serusers at lists.iptel.org
> http://lists.iptel.org/mailman/listinfo/serusers
>

  Srbo Cvetkovic                  | CityNet, Inc.		
  srbo at city-net.com            | Pittsburgh, PA	
  voice: 412.481.5406         | fax: 412.431.1315