[Serusers] No Audio

Greger V. Teigre greger at teigre.com
Tue Aug 2 08:14:57 CEST 2005


Try the http://onsip.org/ Getting Started document and config files. The 
configs are explained in detail and thus very easy to extend.
g-)

Ashutosh Kumar wrote:
> Hi, I am using the following ser.cfg with ser and mediaproxy, but I
> am getting the audio only in one direction. This does not seem  a
> problem of NAT, as the nathelper is correclt rewriting the sdp
> messages, and the aor shows all clients bound with public IP. Earlier
> t_on_reply call in route[1] was causing an error "sl_reply_error
> used: I'm terribly sorry, server error occured (1/SL)" when one calls
> from one phone to another.
> Earlier I was getting proper bi-directional audio when I was using
> STUN instead of mediaproxy.
>
> Is there something wrong with my ser.cfg
>
>
> #--------------------------------------------------
>  #
>  # $Id: ser.cfg,v 1.21 2003/06/04 13:47:36 jiri Exp $
>  #
>  # simple quick-start config script
>  #
>
>   # ----------- global configuration parameters
> ------------------------ 
>
>  debug=3         # debug level (cmd line: -dddddddddd)
>  fork=yes
>  log_stderror=no # (cmd line: -E)
>
> #  Uncomment these lines to enter debugging mode
>  #debug=7
>  #fork=no
>  #log_stderror=yes
>
>
>  check_via=no # (cmd. line: -v)
>  dns=no           # (cmd. line: -r)
>  rev_dns=no      # (cmd. line: -R)
>  port=5060
>  children=4
>  fifo="/tmp/ser_fifo"
>  # ------------------ module loading
> ---------------------------------- 
>
>
>  loadmodule "/usr/local/lib/ser/modules/textops.so"
>  loadmodule "/usr/local/lib/ser/modules/exec.so"
>  loadmodule "/usr/local/lib/ser/modules/sl.so"
>  loadmodule "/usr/local/lib/ser/modules/tm.so"
>  loadmodule "/usr/local/lib/ser/modules/acc.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/domain.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/msilo.so"
>  loadmodule "/usr/local/lib/ser/modules/auth_radius.so"
>  loadmodule "/usr/local/lib/ser/modules/uri.so"
>  loadmodule "/usr/local/lib/ser/modules/mysql.so"
>  loadmodule "/usr/local/lib/ser/modules/nathelper.so"
>  loadmodule "/usr/local/lib/ser/modules/mediaproxy.so"
>
>  # ----------------- setting module-specific parameters
>  --------------- # -- usrloc params --
> #modparam("usrloc", "db_url",    "sql://ser:heslo@localhost/ser")
> modparam("usrloc", "db_mode",   2)
>
>
> modparam("uri", "db_url",    "sql://ser:heslo@localhost/ser")
>
> modparam("auth_radius", "radius_config",
> "/usr/local/etc/radiusclient/radiusclient.conf")
> modparam("auth_radius", "service_type", 15)
>
> modparam("acc", "db_url", "sql://ser:heslo@localhost/ser")
> modparam("acc", "db_missed_flag", 3)
> modparam("acc", "db_flag", 1)
>
> modparam("acc", "log_fmt", "cdfimorstup")
>
> modparam("acc", "radius_config",
> "/usr/local/etc/radiusclient/radiusclient.conf")
> modparam("acc", "service_type", 15)
> modparam("acc", "radius_flag", 1)
> modparam("acc", "radius_missed_flag", 1)
> modparam("acc", "log_level", 2)
> #modparam("acc", "radius_missed_flag", 3)
>
>   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")
>
>
>  # -- rr params --
>  modparam("rr", "enable_full_lr", 1)
>
>
>   modparam("msilo", "registrar", "sip:registrar at mydomainxyz123.com")
>   modparam("msilo", "db_url",
> "sql://ser:heslo@mydomainxyz123.com/ser")
>
>   modparam("auth_db", "db_url", "sql://ser:heslo@localhost/ser")
>   modparam("auth_db", "calculate_ha1", yes)
>   modparam("auth_db", "password_column", "password")
>
>
> modparam("uri", "subscriber_table", "subscriber")
> modparam("uri", "uri_table", "uri")
> modparam("uri", "uri_user_column", "username")
> modparam("uri", "uri_domain_column", "domain")
> modparam("uri", "uri_uriuser_column", "uri_user")
> modparam("uri", "subscriber_user_column", "username")
> modparam("uri", "subscriber_domain_column", "domain")
>
> # !! Nathelper 1
> #modparam("registrar", "nat_flag", 6)
> #modparam("nathelper", "natping_interval", 30) # Ping interval 30 s
> #modparam("nathelper", "ping_nated_only", 1)   # Ping only clients
> behind NAT
> # !! NAthelper 1 ends
>
>
>  # -------------------------  request routing logic
> ------------------- 
>
>  # main routing logic
>
>  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 too
> big");break; };
>
>
> # -----------------------------------------------------------------
> # Record Route Section
> # -----------------------------------------------------------------
> # 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=="INVITE"){
> # && client_nat_test("3")) {
> record_route_preset("mydomainxyz123.com:5060;nat=yes");
> route(3);
> }
> else if (method!="REGISTER") {record_route(); };
>
>
>        #
>
>
> ----------------------------------------------------------------- #
> Call Tear Down Section #
> ----------------------------------------------------------------- #
> if (method=="BYE" || method=="CANCEL") {  end_media_session();   };
>
>
> # -----------------------------------------------------------------
> # Loose Route Section
> # -----------------------------------------------------------------
>
> lookup("aliases");
>
> if (loose_route()) {
>
>                if (has_totag() && (method=="INVITE" || method=="ACK"))
> {
>                 if (client_nat_test("3") ||
> search("^Route:.*;nat=yes")) {setflag(6);
> #use_media_proxy();
> };
> ;
>                };
>
>                route(1);
>                break;
>     };
>
>
> # -----------------------------------------------------------------
> # Call Type Processing Section
> # -----------------------------------------------------------------
> # 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 (!method=="BYE") {
>    force_rport();
>       fix_nated_contact();
>   };
>
>
> if (uri!=myself) {route(1);break;};
> if (uri==myself)
> {
> if (method=="CANCEL") {route(3); break;};
> if (method=="REGISTER") {route(2); break;};
>         if (method=="MESSAGE")  {route(4); break;};
>        };
>
> # native SIP destinations are handled using our USRLOC DB
> if (!lookup("location"))
> {
>      if ((method=="INVITE" || method=="ACK") && t_newtran()
> ){ route(3);break; };
>     sl_send_reply("404", "Not Foundbusip1");
>     break;
> }
> else {setflag(1);t_relay();break;};
>
>
> #                if (!lookup("location")) { sl_send_reply("404",
> "User Not Found"); break; };
> }
>
>
>
>
> route[1] {
>
> # -----------------------------------------------------------------
> # Default Message Handler
> # -----------------------------------------------------------------
>
>  #      t_on_reply("1");
>
>
> if (!t_relay()) {
> if (method=="INVITE" || method=="ACK") {
> #end_media_session();
> ;
> };
> # sl_send_reply("404", "balleballeUser Not Found");
> # 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 (!radius_www_authorize("")) {
> #if (!www_authorize("","subscriber")) {
> # www_challenge("","0");
> # break;
> #};
>
> #if (!check_to()) {
> # sl_send_reply("401", "Unauthorized");
> # break;
> #};
>
> consume_credentials();
>                        save("location");
>                        m_dump();
>                        acc_rad_request("Some comment");
>
>
> if (!save("location")) {
> sl_reply_error();
> };
> }
>
>
> route[3] {
>
>        #
>
>
> ----------------------------------------------------------------- #
> CANCEL and INVITE Message Handler #
> -----------------------------------------------------------------
>
>        #if (client_nat_test("3")) {
>         #       setflag(7);
>         #       force_rport();
>         #       fix_nated_contact();
>        #};
>
>        lookup("aliases");
>        if (uri!=myself) {
>                route(1);
>                break;
>        };
>
>        if (!lookup("location")) {
>                 sl_send_reply("404", "User Not Found");
>                        acc_db_request("404 missed call",
>                        "missed_calls"); acc_rad_request("404 missed
>                        call"); setflag(3);
>
>                break;
>        };
>
> if (method=="CANCEL") {
> route(1);
> break;
> };
>
>        #if (!proxy_authorize("","subscriber")) {
>        #        proxy_challenge("","0");
>        #        break;
>        #} else if (!check_from()) {
>        #        sl_send_reply("403", "Use From=ID");
>        #        break;
>        #};
>
>        consume_credentials();
>
>        if (isflagset(6) || isflagset(7)) {
>                # use_media_proxy();
> ;
>        };
>
>        route(1);
>
>
> }
>
> route[4] {
>
> if (!t_newtran()) {
>                         sl_reply_error();
>                        break;
>                                  };
>
>                if (m_store("0")) {
>                        t_reply("202", "Accepted for Later Delivery");
>                        break;
>                                  };
>
>                t_reply("503", "Service Unavailable");
>                break;
> }
>
> 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();
> };
> ;
> }
>
>
>
>
>
> Regards,
> Ashutosh Kumar
> Chetu, Inc.
> Ph : 1(305) 402 6724 - Witin US
> Ph : 91 120 5323340 - Outside US
> Fax:1 (305) 832 5987
> For more information, please visit http://www.chetu.com
>
>
>
> _______________________________________________
> Serusers mailing list
> serusers at lists.iptel.org
> http://lists.iptel.org/mailman/listinfo/serusers 




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