[Serusers] No Sound when use LCR

Arun Kumar arunvoip at gmail.com
Thu Jan 11 04:57:03 CET 2007


Hi,

I've configured my SER to send calls to my Asterisk server when user
connects to ser and dial a number ser forwards this to my Asterisk server
and my asterisk server ask for my pin number saying "Please enter your pin
number". In this config I'm using rewritehostport(ip:port) to forward the
calls and its working fine. But, Now I've implemented the LCR when I see
ngrep calls are going to my asterisk server but I'm not able to hear any
sound from my asterisk server saying "enter your pin number". Please help in
this issue. Here is my ser.cfg file :

  debug=3
  fork=no
  log_stderror=yes

  listen=192.168.2.210     # INSERT YOUR IP ADDRESS HERE
  port=5060
  children=4

  dns=no
  rev_dns=no
  fifo="/tmp/ser_fifo"
  fifo_db_url="mysql://ser:arun@localhost/ser"

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/auth.so"
loadmodule "/usr/local/lib/ser/modules/auth_db.so"
loadmodule "/usr/local/lib/ser/modules/uri.so"
loadmodule "/usr/local/lib/ser/modules/uri_db.so"
loadmodule "/usr/local/lib/ser/modules/domain.so"
loadmodule "/usr/local/lib/ser/modules/nathelper.so"
loadmodule "/usr/local/lib/ser/modules/avpops.so"
loadmodule "/usr/local/lib/ser/modules/textops.so"
loadmodule "/usr/local/lib/ser/modules/mediaproxy.so"
loadmodule "/usr/local/lib/ser/modules/permissions.so"
loadmodule "/usr/local/lib/ser/modules/acc.so"
loadmodule "/usr/local/lib/ser/modules/auth_radius.so"
loadmodule "/usr/local/lib/ser/modules/lcr.so"
loadmodule "/usr/local/lib/ser/modules/xlog.so"

  modparam("auth_db|permissions|uri_db|usrloc|domain", "db_url",  "
mysql://ser:arun@localhost/ser")
  modparam("auth_db", "calculate_ha1", 1)
  modparam("auth_db", "password_column", "password")

  modparam("nathelper", "rtpproxy_disable", 1)
  modparam("nathelper", "natping_interval", 0)

  modparam("mediaproxy","natping_interval", 30)
  modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock")
#  modparam("mediaproxy","sip_asymmetrics","/usr/local/etc/ser/sip-clients")
#  modparam("mediaproxy","rtp_asymmetrics","/usr/local/etc/ser/rtp-clients")

  modparam("usrloc", "db_mode", 2)

  modparam("registrar", "nat_flag", 6)

  modparam("rr", "enable_full_lr", 1)

  modparam("tm", "fr_inv_timer", 120)
  modparam("tm", "fr_inv_timer_avp", "inv_timeout")

  modparam("permissions", "db_mode", 1)
  modparam("permissions", "trusted_table", "trusted")

 modparam("lcr","db_url", "mysql://ser:arun@localhost/ser")
 modparam("lcr","gw_table","gw")
 modparam("lcr","gw_name_column","gw_name")
 modparam("lcr","ip_addr_column","ip_addr")
 modparam("lcr","port_column","port")
 modparam("lcr","grp_id_column","grp_id")
 modparam("lcr","lcr_table","lcr")
 modparam("lcr","prefix_column","prefix")
 modparam("lcr","from_uri_column","from_uri")
 modparam("lcr","priority_column","priority")
 modparam("lcr","contact_avp","1401")
 modparam("lcr","fr_inv_timer_avp","fr_inv_timer_avp")
 modparam("lcr","fr_inv_timer",90)
 modparam("lcr","fr_inv_timer_next",60)
# ------ Account and Radius modules--------------
modparam("acc", "db_url", "mysql://ser:arun@localhost/ser")

modparam("acc","log_level",1)
modparam("acc","log_flag",1)
modparam("acc", "db_flag", 1)

modparam("acc","radius_flag",1)
modparam("acc","service_type",15)
#modparam("acc","radius_config","/usr/local/etc/radiusclient-ng/radiusclient.conf")


  route {

    # -----------------------------------------------------------------
    # Sanity Check Section
    # -----------------------------------------------------------------
    if (!mf_process_maxfwd_header("10")) {
      sl_send_reply("483", "Too Many Hops");
      break;
    };

    if (msg:len > max_len) {
      sl_send_reply("513", "Message Overflow");
      break;
    };

if (!load_gws()) {
         sl_send_reply("500", "Server Internal Error - Cannot load
gateways");
         break;
      } else {
         xlog("L_INFO", "\n[SER]: - [$Tf] Method: <$rm> R-uri: <$ru> From:
<$fu>To <$tu>  : Successfully Loaded Gateway List\n");
      };

    # -----------------------------------------------------------------
    # Record Route Section
    # -----------------------------------------------------------------
    if (method=="INVITE" && client_nat_test("3")) {
      # INSERT YOUR IP ADDRESS HERE
      record_route_preset("192.168.2.210:5060;nat=yes");
    } else if (method!="REGISTER") {
      record_route();
    };


    # -----------------------------------------------------------------
    # Call Tear Down Section
    # -----------------------------------------------------------------
    if (method=="BYE" || method=="CANCEL") {
     setflag(1);
     end_media_session();
    };

    # -----------------------------------------------------------------
    # Loose Route Section
    # -----------------------------------------------------------------
    if (loose_route()) {
      if ((method=="INVITE" || method=="REFER") && !has_totag()) {
        sl_send_reply("403", "Forbidden Cant cross 1st bridge");
        break;
      };

      if (method=="INVITE") {

        if (!allow_trusted()) {

          if (!proxy_authorize("","subscriber")) {
            proxy_challenge("","0");
            break;
          } else if (!check_from()) {
            sl_send_reply("403", "Use From=ID");
            break;
          };

          consume_credentials();
        };

        if (client_nat_test("3")||search("^Route:.*;nat=yes")){
          setflag(6);
          use_media_proxy();
        };
      };

      route(1);
      break;
  };

  # -----------------------------------------------------------------
  # Call Type Processing Section
  # -----------------------------------------------------------------
  if (!is_uri_host_local()) {
    if (is_from_local() || allow_trusted()) {
        sl_send_reply("404", "I am trusted host, ");
      route(4);
      route(1);
    } else {
      sl_send_reply("403", "Forbidden, I am here");
    };
    break;
  };

  if (method=="ACK") {
    setflag(1);
    route(1);
    break;
  } if (method=="CANCEL") {
    setflag(1);
    route(1);
    break;
  } else if (method=="INVITE") {
    setflag(1);
    route(3);
    break;
  } else  if (method=="REGISTER") {
    route(2);
    break;
  };

  lookup("aliases");
  if (!is_uri_host_local()) {
    route(4);
    route(1);
    break;
  };

  if (!lookup("location")) {
    sl_send_reply("404", "User Not Found");
    break;
  };

  route(1);
}

route[1] {

  # -----------------------------------------------------------------
  # Default Message Handler
  # -----------------------------------------------------------------
  t_on_reply("1");

  if (!t_relay()) {

    if (method=="INVITE" || method=="ACK") {
      setflag(1);
      end_media_session();
    };

    sl_reply_error();
  };

}
route[2] {

  # -----------------------------------------------------------------
  # REGISTER Message Handler
  # -----------------------------------------------------------------

  sl_send_reply("100", "Trying");

  if (!search("^Contact:[ ]*\*") && client_nat_test("7")) {
    setflag(6);
    fix_nated_register();
    force_rport();
  };

  if (!www_authorize("","subscriber")) {
    www_challenge("","0");
    break;
  };

  if (!check_to()) {
    sl_send_reply("401", "Unauthorized");
    break;
  };

  consume_credentials();

  if (!save("location")) {
    sl_reply_error();
  };

}
route[3] {

  # -----------------------------------------------------------------
  # INVITE Message Handler
  # -----------------------------------------------------------------

  if (client_nat_test("3")) {
    setflag(7);
    force_rport();
    fix_nated_contact();
  };

  if (!allow_trusted()) {

    if (!proxy_authorize("","subscriber")) {
      proxy_challenge("","0");
      break;
    } else if (!check_from()) {
      sl_send_reply("403", "Use From=ID");
      break;
    };

    consume_credentials();
  };

  if (!is_uri_host_local()) {
    route(4);
    route(1);
    break;
  };

if (!next_gw()) {
        t_reply("503", "Service not available - No more gateways");
        break;
      } else {
        t_on_failure("2");
        t_relay();
        break;
      };

 route(4);
 route(1);
}

route[4] {

  # -----------------------------------------------------------------
  # NAT Traversal Section
  # -----------------------------------------------------------------

  if (isflagset(6) || isflagset(7)) {
    if (!isflagset(8)) {
      setflag(8);
      use_media_proxy();
    };
  };
}

#route[5] {

  # -----------------------------------------------------------------
  # PSTN Handler
  # -----------------------------------------------------------------

#  rewritehostport("192.168.2.202:5060"); # INSERT YOUR PSTN GATEWAY IP
ADDRESS

#  avp_write("i:45", "inv_timeout");

#  route(1);
#}

onreply_route[1] {
xlog("L_INFO", "In onreply route");
  if ((isflagset(6) || isflagset(7)) &&
      (status=~"(180)|(183)|2[0-9][0-9]")) {

    if (!search("^Content-Length:[ ]*0")) {
      use_media_proxy();
    };
  };

  if (client_nat_test("1")) {
    fix_nated_contact();
  };
}

 failure_route[2] {

      if (!next_gw()) {
         t_reply("503", "Service not available - No more gateways");
         break;
      } else {
         t_on_failure("2");
         t_relay();
         break;
      }
    }


thanks
arun
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