[OpenSIPS-Users] Error no audio devices available

Bogdan-Andrei Iancu bogdan at voice-system.ro
Mon Feb 2 14:49:24 CET 2009


Hi Khan,

The xlite UAC does not work as it is in a different network and media 
cannot flow directly between the caller and callee - for this to work 
you need to use a media relay.

Regards,
Bogdan

Khan Friend wrote:
> Hi everyone,
>
> I have installed OpenSIPS 1.4.4 recently on a ubuntu 8.04, I have 3 
> UAC configured. Two of them are SJphone which are within the same 
> network. One of them (Xlite) is outside the network and behind NAT. I 
> am facing two problems.
>
> 1. The SJphone within network works fine but user hear his own echo.
> 2. XLite outside network giving the error "Error no audio devices 
> available"
>
> The config file is as follows:
>
> ####### Global Parameters #########
>
> fork=yes
> children=4
>
> /* uncomment the following lines to enable debugging */
> debug=6
> log_stderror=no
> log_facility=LOG_LOCAL0
>
> /* uncomment the next line to disable TCP (default on) */
> disable_tcp=yes
>
> /* uncomment the next line to enable the auto temporary blacklisting of
>    not available destinations (default disabled) */
> #disable_dns_blacklist=no
>
> /* uncomment the next line to enable IPv6 lookup after IPv4 dns
>    lookup failures (default disabled) */
> #dns_try_ipv6=yes
>
>
> port=5060
>
> /* uncomment and configure the following line if you want opensips to
>    bind on a specific interface/port/proto (default bind on all 
> available) */
> listen=udp:mydomain.com:5060 <http://mydomain.com:5060>
> listen=udp:999.999.1.2:5060
> listen=udp:127.0.0.1:5060 <http://127.0.0.1:5060>
>
> #set module path
> mpath="/usr/local/lib/opensips/modules/"
> alias=mydomain.com <http://mydomain.com>
>
> /* uncomment next line for MySQL DB support */
> loadmodule "db_mysql.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 "uri_db.so"
> loadmodule "uri.so"
> loadmodule "xlog.so"
> loadmodule "acc.so"
> /* uncomment next lines for MySQL based authentication support
>    NOTE: a DB (like db_mysql) module must be also loaded */
> loadmodule "auth.so"
> loadmodule "auth_db.so"
> /* uncomment next line for aliases support
>    NOTE: a DB (like db_mysql) module must be also loaded */
> loadmodule "alias_db.so"
> /* uncomment next line for multi-domain support
>    NOTE: a DB (like db_mysql) module must be also loaded
>    NOTE: be sure and enable multi-domain support in all used modules
>          (see "multi-module params" section ) */
> loadmodule "domain.so"
> /* uncomment the next two lines for presence server support
>    NOTE: a DB (like db_mysql) module must be also loaded */
> #loadmodule "presence.so"
> #loadmodule "presence_xml.so"
>
>
> # ----------------- setting module-specific parameters ---------------
> modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
> modparam("rr", "enable_full_lr", 1)
> modparam("rr", "append_fromtag", 0)
> modparam("registrar", "method_filtering", 1)
> modparam("uri_db", "use_uri_table", 0)
> modparam("uri_db", "db_url", "")
>
> modparam("acc", "early_media", 1)
> modparam("acc", "report_ack", 1)
> modparam("acc", "report_cancels", 1)
> modparam("acc", "detect_direction", 0)
> modparam("acc", "failed_transaction_flag", 3)
> modparam("acc", "log_flag", 1)
> modparam("acc", "log_missed_flag", 2)
> modparam("acc", "db_flag", 1)
> modparam("acc", "db_missed_flag", 2)
>
>
> modparam("usrloc", "db_mode",   2)
> modparam("auth_db", "calculate_ha1", yes)
> modparam("auth_db", "password_column", "password")
>
>
>
> ####### Routing Logic ########
> route{
>
>     if (!mf_process_maxfwd_header("10")) {
>         sl_send_reply("483","Too Many Hops");
>         exit;
>     }
>
>     if (has_totag()) {
>         # sequential request withing a dialog should
>         # take the path determined by record-routing
>         if (loose_route()) {
>             if (is_method("BYE")) {
>                 setflag(1); # do accounting ...
>                 setflag(3); # ... even if the transaction fails
>             }
>             route(1);
>         } else {
>             /* uncomment the following lines if you want to enable 
> presence */
>             ##if (is_method("SUBSCRIBE") && $rd == 
> "your.server.ip.address") {
>             ##    # in-dialog subscribe requests
>             ##    route(2);
>             ##    exit;
>             ##}
>             if ( is_method("ACK") ) {
>                 if ( t_check_trans() ) {
>             # non loose-route, but stateful ACK; must be an ACK after 
> a 487 or e.g. 404 from upstream server
>                     t_relay();
>                     exit;
>                 } else {
>                     # ACK without matching transaction ... ignore and 
> discard.\n");
>                     exit;
>                 }
>             }
>             sl_send_reply("404","Not here");
>         }
>         exit;
>     }
>
>     #initial requests
>
>     # CANCEL processing
>     if (is_method("CANCEL"))
>     {
>         if (t_check_trans())
>             t_relay();
>         exit;
>     }
>
>     t_check_trans();
>
>
>     # record routing
>     if (!is_method("REGISTER|MESSAGE"))
>         record_route();
>
>     # account only INVITEs
>     if (is_method("INVITE")) {
>         setflag(1); # do accounting
>     }
>     if (!uri==myself)
>     /* replace with following line if multi-domain support is used */
>     ##if (!is_uri_host_local())
>     {
>         append_hf("P-hint: outbound\r\n");
>         route(1);
>     }
>
>     # requests for my domain
>
>     /* uncomment this if you want to enable presence server
>        and comment the next 'if' block
>        NOTE: uncomment also the definition of route[2] from  below */
>     ##if( is_method("PUBLISH|SUBSCRIBE"))
>     ##        route(2);
>
>     if (is_method("PUBLISH"))
>     {
>         sl_send_reply("503", "Service Unavailable");
>         exit;
>     }
>   
>
>     if (is_method("REGISTER"))
>     {
>         # authenticate the REGISTER requests (uncomment to enable auth)
>         if (!www_authorize("", "subscriber"))
>         {
>             www_challenge("", "0");
>             exit;
>         }
>       
>
>         if (!save("location"))
>             sl_reply_error();
>
>         exit;
>     }
>
>     if ($rU==NULL) {
>         # request with no Username in RURI
>         sl_send_reply("484","Address Incomplete");
>         exit;
>     }
>
>     # apply DB based aliases (uncomment to enable)
>     ##alias_db_lookup("dbaliases");
>
>     if (!lookup("location")) {
>         switch ($retcode) {
>             case -1:
>             case -3:
>                 t_newtran();
>                 t_reply("404", "Not Found");
>                 exit;
>             case -2:
>                 sl_send_reply("405", "Method Not Allowed");
>                 exit;
>         }
>     }
>
>     # when routing via usrloc, log the missed calls also
>     setflag(2);
>
>     route(1);
> }
>
>
> route[1] {
>     # for INVITEs enable some additional helper routes
>     if (is_method("INVITE")) {
>         t_on_branch("2");
>         t_on_reply("2");
>         t_on_failure("1");
>     }
>
>     if (!t_relay()) {
>         sl_reply_error();
>     };
>     exit;
> }
>
>
> branch_route[2] {
>     xlog("new branch at $ru\n");
> }
>
>
> onreply_route[2] {
>     xlog("incoming reply\n");
> }
>
>
> failure_route[1] {
>     if (t_was_cancelled()) {
>         exit;
>     }
>
> }
>
>
>
> ------------------------------------------------------------------------
>
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>   




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