[Users] Reg:NAT Routing - sr-users

8 Feb 2007


      hai,
can any body help me to test audio call between two 
different private IPs. am using X-lite as client .am not able to get 
voice between two
private ips and able to get voice with public IP .i have run media proxy 
saparatly. please find attached my openser.cfg file too.
Thanks and Regards
     venkatesh.d
debug=9
fork=yes
log_stderror=yes
listen=192.168.0.25   # INSERT YOUR IP ADDRESS HERE
port=5060
children=4
dns=no
rev_dns=no
fifo="/tmp/ser_fifo"
fifo_db_url="mysql://openser:openser@localhost/openser"
loadmodule "/usr/local/lib/openser/modules/mysql.so"
loadmodule "/usr/local/lib/openser/modules/sl.so"
loadmodule "/usr/local/lib/openser/modules/tm.so"
loadmodule "/usr/local/lib/openser/modules/rr.so"
loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
loadmodule "/usr/local/lib/openser/modules/usrloc.so"
loadmodule "/usr/local/lib/openser/modules/registrar.so"
loadmodule "/usr/local/lib/openser/modules/auth.so"
loadmodule "/usr/local/lib/openser/modules/auth_db.so"
loadmodule "/usr/local/lib/openser/modules/uri.so"
loadmodule "/usr/local/lib/openser/modules/uri_db.so"
loadmodule "/usr/local/lib/openser/modules/domain.so"
loadmodule "/usr/local/lib/openser/modules/mediaproxy.so"
loadmodule "/usr/local/lib/openser/modules/nathelper.so"
loadmodule "/usr/local/lib/openser/modules/textops.so"
loadmodule "/usr/local/lib/openser/modules/presence.so"
modparam("auth_db|domain|uri_db|usrloc","db_url","mysql://openser:openser@localhost/openser")
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("presence", "db_url","mysql://openser:openser@localhost/openser")
modparam("presence", "presentity_table", "presentity")
modparam("presence", "active_watchers_table", "active_watchers")
modparam("presence", "watchers_table", "watchers")
modparam("presence", "clean_period", 100)
modparam("presence", "to_tag_pref", 'a')
modparam("presence", "totag_avpid", 987)
modparam("presence", "lock_set_size", 8)
modparam("presence", "expires_offset", 10)
modparam("presence", "force_active", 1)
route {
# -----------------------------------------------------------------
  # Sanity Check Section
  # -----------------------------------------------------------------
  if (!mf_process_maxfwd_header("10")) {
    sl_send_reply("483", "Too Many Hops");
    exit;
  };
if (msg:len > max_len) {
    sl_send_reply("513", "Message Overflow");
    exit;
  };
# -----------------------------------------------------------------
  # Record Route Section
  # -----------------------------------------------------------------
  if (method=="INVITE" && client_nat_test("3")) { 
    # INSERT YOUR IP ADDRESS HERE
    log("setting nat as yes *****************");
    record_route_preset("192.168.0.25:5060;nat=yes");
  } else if (method!="REGISTER") {  
    record_route();
  };
# -----------------------------------------------------------------
  # Call Tear Down Section
  # -----------------------------------------------------------------
  if (method=="BYE" || method=="CANCEL") { 
    end_media_session();
  };
# -----------------------------------------------------------------
  # Loose Route Section
  # -----------------------------------------------------------------
  if (loose_route()) {
if ((method=="INVITE" || method=="REFER") && !has_totag()) {
      sl_send_reply("403", "Forbidden");
      exit;
    };
if (method=="INVITE") {
if (!proxy_authorize("","subscriber")) {
        proxy_challenge("","0");
        exit;
      } else if (!check_from()) {
        sl_send_reply("403", "Use From=ID");
        exit;
      };
consume_credentials();
if (client_nat_test("3") || search("^Route:.*;nat=yes")) { 
    log("setting falg 6 here **********");
        setflag(6);
        use_media_proxy();
      };
    };
route(1);
    exit;
  };
# -----------------------------------------------------------------
  # Call Type Processing Section
  # -----------------------------------------------------------------
  if (uri!=myself) {
    route(4);
    route(1);
    exit;
  };
if (method=="ACK") {
    route(1);
    exit;
  } else if (method=="CANCEL") { 
    route(1);
    exit;
  } else if (method=="INVITE") {
    route(3);
    exit;
  } else  if (method=="REGISTER") {
    route(2);
    exit;
  };
lookup("aliases");
  if (uri!=myself) {
    route(4);
    route(1);
    exit;
  };
if (!lookup("location")) {
    sl_send_reply("404", "User Not Found");
    exit;
  };
route(1);
}
route[1] {
# -----------------------------------------------------------------
  # Default Message Handler
  # -----------------------------------------------------------------
t_on_reply("1");
if (!t_relay()) {
#  if (method="INVITE" || method=="ACK") {
  #    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");
    exit;
  };
if (!check_to()) {
    	sl_send_reply("401", "Unauthorized");
    exit;
  };
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 (!proxy_authorize("","subscriber")) {
    proxy_challenge("","0");
    exit;
  } else if (!check_from()) {
    sl_send_reply("403", "Use From=ID");
    exit;
  };
consume_credentials();
lookup("aliases");
  if (uri!=myself) {
    route(4);
    route(1);
    exit;
  };
if (!lookup("location")) { 
    sl_send_reply("404", "User Not Found");
    exit;
  };
route(4);
  route(1);
}
route[4] {
# -----------------------------------------------------------------
  # NAT Traversal Section
  # -----------------------------------------------------------------
if (isflagset(6) || isflagset(7)) {
    if (!isflagset(8)) {
      setflag(8);
      use_media_proxy();
    };
  };
}
onreply_route[1] {
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();
  };
}