[OpenSER-Users] call forking - sr-users

21 Aug 2007

Hi

I'm trying to do some call forking but I can't manage to make it work well.
I explain quickly what it is :
If user A call user B and user B is registered more than once (on different
system), the proxy will fork natively to all registered user B.

What I want to do now is if user A call user B then the proxy fork to user
C, user D and so on.
I have found the command append_branch("sip:userC@domain").

The thing is that it is not working well.
For the first time (when the server restart), I make a call from user A,
only user B receive the call, then ignored the call from the user B and
wait for about 15sec then the call ring on user C and D.
I make the 2nd try, user A call B, B, C & D receive the ring.
Then I wait some minute, the problem came back again

what is wrong with the first call, a bug or configuration error ?

please help
Bernard

here is my config file :
# ----------- global configuration parameters ------------------------
debug=3            # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no    # (cmd line: -E)
children=4

listen=192.168.17.107
port=5060
# ------------------ module loading ----------------------------------
#set module path
mpath="/usr/local/lib/openser/modules/"

loadmodule "mysql.so"
loadmodule "auth.so"
loadmodule "auth_db.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"
# ----------------- setting module-specific parameters ---------------
modparam("mi_fifo", "fifo_name", "/tmp/openser_fifo")
modparam("usrloc", "db_mode", 3)
modparam("auth_db", "calculate_ha1", yes)
modparam("auth_db", "password_column", "password")
modparam("rr", "enable_full_lr", 1)
# -------------------------  request routing logic -------------------
# main routing logic
route{
      if (!mf_process_maxfwd_header("10"))
      {
            sl_send_reply("483","Too Many Hops");
            exit;
      };

      if (msg:len >=  2048 )
      {
            sl_send_reply("513", "Message too big");
            exit;
      };

      if (!method=="REGISTER")
            record_route();

      if (loose_route())
      {
            # mark routing logic in request
            append_hf("P-hint: rr-enforced\r\n");
            route(1);
      };

      if (!uri==myself)
      {
            # mark routing logic in request
            append_hf("P-hint: outbound\r\n");
            route(1);
      };

      if (uri==myself)
      {
            if (method=="REGISTER")
            {
                  route(2);
            };

            if (method=="INVITE")
            {
                  route(3);
            };

            lookup("aliases");
            if (!uri==myself)
            {
                  append_hf("P-hint: outbound alias\r\n");
                  route(1);
            };

            if (!lookup("location"))
            {
                  sl_send_reply("404", "User not found");
                  exit;
            };
            append_hf("P-hint: usrloc applied\r\n");
      };

      route(1);
}

route[1]
{
      if (!t_relay())
      {
            sl_reply_error();
      };
      exit;
}

route[2]
{
      if (!www_authorize("etraliSIP.fr", "subscriber"))
      {
            www_challenge("etraliSIP.fr", "1");
            exit;
      };
      save("location");
      exit;
}

route[3]
{
      if (!proxy_authorize("etraliSIP.fr", "subscriber"))
      {
            proxy_challenge("etraliSIP.fr", "1");
            exit;
      };
      if (from_uri=="sip:leb@etraliSIP" &&
to_uri=="sip:patrice@etraliSIP"
&& !search("P-hint: ok call forking"))
      {
            append_hf("P-hint: ok call forking\r\n");
            append_branch("sip:test@etraliSIP");
            append_branch("sip:tony@etraliSIP");
      };
}

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