[OpenSER-Users-ES] Problemas Forward de llamadas de openser a Asterisk

[Gustavo]

Puedes mandar una captura del wireshark en tu SER a ver que pasa con el
INVITE cuando lo mandas desde Internet?

G.

On Tue, 2008-01-15 at 05:49 -0800, Andresdb wrote:
> Estimado amigos,
> 
> Tengo el siguiente inconveniente y la situación es la siguiente:
> INTERNET----<ippublica SER x.x.x.x:5060>----ServerSER----<iplan SER
> 192.168.1.200:5060>--LAN--<iplan Asterisk 192.168.1.201:5060>
> Lo que queremos hacer es utilizar SER como un proxy para no exponer asterisk
> a una ip publica.
> Si me registro contra el openser con la ip de lan el forward de las llamadas
> al Asterisk se hace correctamente, pero si intento registrarme contra la ip
> publica me registro al ser pero no puedo hacer llamadas, el forward a la ip
> de astrerisk no se hace, te detallo la configuración del cfg de ser, les
> agradezco mucho en lo que me puedan ayudar.
> 
> openser.cfg
> # ----------- global configuration parameters ------------------------
> 
> debug=7         # debug level (cmd line: -dddddddddd)
> fork=yes
> log_stderror=yes        # (cmd line: -E)
> 
> check_via=no    # (cmd. line: -v)
> dns=no          # (cmd. line: -r)
> rev_dns=no      # (cmd. line: -R)
> children=4
> 
> listen=192.168.1.200
> listen=200.40.119.215
> port=5060
> 
> # ------------------ module loading ----------------------------------
> 
> # use dbtext database
> mpath="/usr/local/lib/openser/modules/"
> loadmodule "dbtext.so"
> loadmodule "sl.so"
> loadmodule "tm.so"
> loadmodule "rr.so"
> loadmodule "maxfwd.so"
> loadmodule "usrloc.so"
> loadmodule "registrar.so"
> loadmodule "textops.so"
> loadmodule "mi_fifo.so"
> #loadmodule "mediaproxy.so"
> #loadmodule "nathelper.so"
> #loadmodule "acc.so"
> #loadmodule "exec.so"
> #loadmodule "xlog.so"
> 
> # modules for digest authentication
> loadmodule "auth.so"
> loadmodule "auth_db.so"
> 
> # ----------------- setting module-specific parameters ---------------
> 
> # -- mi_fifo params --
> 
> modparam("mi_fifo", "fifo_name", "/tmp/openser_fifo")
> 
> # -- nathelper
> #modparam("nathelper", "rtpproxy_disable", 1)
> #modparam("nathelper", "natping_interval", 30)
> #modparam("nathelper", "sipping_from", "sip:ping at 192.168.0.7")
> 
> # -- usrloc params --
> 
> # use dbtext database for persistent storage
> modparam("usrloc", "db_mode", 2)
> modparam("usrloc|auth_db", "db_url",
> "dbtext:///usr/local/etc/openser/dbtext")
> 
> # -- auth params --
> #
> modparam("auth_db", "calculate_ha1", 1)
> modparam("auth_db", "password_column", "password")
> modparam("auth_db", "user_column", "username")
> modparam("auth_db", "domain_column", "domain")
> 
> # -- 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");
>         exit;
>     };
>     if (msg:len >=  max_len ) {
>         sl_send_reply("513", "Message too big");
>         exit;
>     };
> 
>     # 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
>     if (!method=="REGISTER") record_route();
> 
>     # subsequent messages withing a dialog should take the
>     # path determined by record-routing
>     if (loose_route()) {
>         # mark routing logic in request
>         append_hf("P-hint: rr-enforced\r\n");
>         route(1);
>         exit;
>     };
> 
>     if (!uri==myself) {
>         # mark routing logic in request
>         append_hf("P-hint: outbound\r\n");
>         route(1);
>         exit;
>     };
>     if (is_method("INVITE")) {
>         rewritehostport("192.168.1.201:5060");
>         t_relay();
>         exit;
>     }  
>     # 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") {
>             # digest authentication
>             if (!www_authorize("*", "subscriber")) {
>                 www_challenge("*", "0");
>                 exit;
>             };
> 
>             save("location");
>             exit;
>         };
> 
>         lookup("aliases");
>         if (!uri==myself) {
>             append_hf("P-hint: outbound alias\r\n");
>             route(1);
>             exit;
>         };
> 
>         # native SIP destinations are handled using our USRLOC DB
>         if (!lookup("location")) {
>             sl_send_reply("404", "Not Found");
>             exit;
>         };
>     };
>     append_hf("P-hint: usrloc applied\r\n");
>     route(1);
> }
> 
> route[1]
> {
>     # send it out now; use stateful forwarding as it works reliably
>     # even for UDP2TCP
>     if (!t_relay()) {
>         sl_reply_error();
>     };
> }
>