[Serusers]internal LAN-Client cant be called from outside

[Klaus Darilion]

Maybe the problem is caused by wrong routing of the SIP packets. Try the 
multhime option of ser:
http://www.iptel.org/ser/doc/prerelease/x1026.html#AEN1046

klaus

Marco Achtziger wrote:

> Hello,
> I'm an IT-Student from Würzburg and i'm working with SER for a project. 
> My SER is running on my linux-router and is listening on my LAN on eth0 
> and on the internet on ppp0. My problem is, that i can make calls 
> between two clients inside the LAN or between two clients who are 
> located in the internet. If somebody from the internet wants to call 
> somebody in the LAN or reverse i get a request timeout. Also when i want 
> to call somebody who is registrated by a different provider i get a 
> request timeout, after SER has send the trying message to the client. 
> Can anybody give me a hint or are there better how-tos like the ones 
> from iptel?
> Here is my configuration file. In this i did not do many changes to the 
> original file, but i tried a lot.
> #
> # $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"
> alias="80er.kicks-ass.net"
> # ------------------ module loading ----------------------------------
> 
> # Uncomment this if you want to use SQL database
> loadmodule "/usr/local/lib/ser/modules/mysql.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"
> loadmodule "/usr/local/lib/ser/modules/nathelper.so"
> # Uncomment this if you want digest authentication
> # mysql.so must be loaded !
> loadmodule "/usr/local/lib/ser/modules/auth.so"
> loadmodule "/usr/local/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("80er.kicks-ass.net", "subscriber")) {
>                 www_challenge("80er.kicks-ass.net", "0");
>                 break;
>             };
>             fix_nated_contact();
>             save("location");
>             break;
>         };
> 
>         # native SIP destinations are handled using our USRLOC DB
>         if (!lookup("location")) {
>             sl_send_reply("404", "Not Found");
>             break;
>         };
>     };
>     # forward to current uri now; use stateful forwarding; that
>     # works reliably even if we forward from TCP to UDP
>     fix_nated_contact();
>     if (!t_relay()) {
>         sl_reply_error();
>     };
> 
> }
> 
> regards
> Marco Achtziger