[OpenSER-Users-ES] Problemas Forward de llamadas de openser a Asterisk
Gustavo
ggb at tid.es
Tue Jan 15 14:58:22 CET 2008
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();
> };
> }
>
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