[Users] Problem with voice

Andrew Nowrot andrew.nowrot at gmail.com
Tue Feb 20 21:55:38 CET 2007


Hi

I am new to all openser related things. I managed to install it, combine
with postgres and do simple accounting, but now I am facing a slightly
problem. The situation looks like this:

I have two sip phones both on public IP and both registered to openser (on
public IP). I am able to ring between this two phones (so I guess that the
sip signalization works OK), but I can't hear any voice. For testing
purposes I disabled the firewall on openser so I am sure that all ports are
"free". My openser.cfg looks like this:

#------------------- global configuration parameters
------------------------

debug=3            # debug level (cmd line: -dddddddddd)
fork=yes           # Set to no to enter debugging mode
log_stderror=no    # (cmd line: -E) Set to yes to enter debugging mode

check_via=no    # (cmd. line: -v)
dns=no          # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
port=5060
children=4
fifo="/tmp/openser_fifo"

#
# uncomment the following lines for TLS support
#disable_tls = 0
#listen = tls:your_IP:5061
#tls_verify = 1
#tls_require_certificate = 0
#tls_method = TLSv1
#tls_certificate = "/build/buildd/openser-1.1.0
/debian/openser/etc/openser/tls/user/user-cert.pem"
#tls_private_key = "/build/buildd/openser-1.1.0
/debian/openser/etc/openser/tls/user/user-privkey.pem"
#tls_ca_list = "/build/buildd/openser-1.1.0
/debian/openser/etc/openser/tls/user/user-calist.pem"

# ------------------ module loading ----------------------------------

loadmodule "/usr/lib/openser/modules/postgres.so"
loadmodule "/usr/lib/openser/modules/sl.so"
loadmodule "/usr/lib/openser/modules/tm.so"
loadmodule "/usr/lib/openser/modules/rr.so"
loadmodule "/usr/lib/openser/modules/maxfwd.so"
loadmodule "/usr/lib/openser/modules/usrloc.so"
loadmodule "/usr/lib/openser/modules/registrar.so"
loadmodule "/usr/lib/openser/modules/textops.so"
loadmodule "/usr/lib/openser/modules/acc.so"
loadmodule "/usr/lib/openser/modules/dbtext.so"
#loadmodule "/usr/lib/openser/modules/mediaproxy.so"
# Uncomment this if you want digest authentication
# mysql.so must be loaded !
loadmodule "/usr/lib/openser/modules/auth.so"
loadmodule "/usr/lib/openser/modules/auth_db.so"

# ----------------- setting module-specific parameters ---------------

# -- usrloc params --
#modparam("usrloc", "db_mode",   0)
# Uncomment this if you want to use SQL database
# for persistent storage and comment the previous line
modparam("usrloc", "db_mode", 2)

# -- auth params --
# Uncomment if you are using auth module
#
modparam("auth_db", "calculate_ha1", no)
#
# If you set "calculate_ha1" parameter to yes (which true in this config),
# uncomment also the following parameter)
#
#modparam("auth_db", "password_column", "password")
modparam("auth_db", "password_column", "ha1")

# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)
#usrloc|auth_db|
modparam("usrloc|auth_db", "db_url", "
postgres://openser:openserrw@XXX.XXX.XXX.XXX:5432/openser")

modparam("acc", "db_url", "postgres://openser:openserrw@XXX.XXX.XXX.XXX
:5432/openser")
#modparam("acc", "db_url", "postgres://openser:openserrw@XXX.XXX.XXX.XXX
:5432/openser")
#modparam("acc", "failed_transaction_flag", 1)
#modparam("acc", "report_cancels", 1)
modparam("acc", "db_flag", 1)
modparam("acc", "log_level", 1)
#modparam("acc", "log_fmt", "mfs")
#modparam("acc", "log_flag", 1 )
#modparam("acc", "log_fmt", "miocfs")



#modparam("acc", "db_flag", 1)

# -------------------------  request routing logic -------------------

# main routing logic

route{
        # initial sanity checks -- messages with
        # max_forwards==0, or excessively long requests
        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;
        };

        # 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")
        {
            # mark the INVITEs for accounting
            setflag(1);
            # enforce record-routing so the BYEs will come through this
server
            record_route();
        };

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

        # subsequent messages withing a dialog should take the
        # path determined by record-routing
        if (loose_route()) {
                # mark routing logic in request
                if(method=="BYE") {
                    setflag(1);
                }
                t_relay();
                return;

                #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");
            # if you have some interdomain connections via TLS
            #if(uri=~"@tls_domain1.net") {
            #   t_relay("tls:domain1.net");
            #   exit;
            #} else if(uri=~"@tls_domain2.net") {
            #   t_relay("tls:domain2.net");
            #   exit;
            #}
            route(1);
        # 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)
        } else {

            if (method=="REGISTER") {

                #Uncomment this if you want to use digest authentication
                if (!www_authorize("XXX.XXX.XXX.XXX", "subscriber")) {
                    www_challenge("XXX.XXX.XXX.XXX", "0");
                    exit;
                } else {
                    save("location");
                    exit;
                };
            };

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

                # native SIP destinations are handled using our USRLOC DB
            if (uri=~"sip:003275566*") {
                if (!lookup("location")) {
                    sl_send_reply("444", "Not Found");
                    exit;
                }
                append_hf("P-hint: usrloc applied\r\n");
            } else {
                rewritehost("YYY.YYY.YYY.YYY");
                #t_relay();
            };
        };

        route(1);
}


route[1] {
        # send it out now; use stateful forwarding as it works reliably
        # even for UDP2TCP
        if (!t_relay()) {
                sl_reply_error();
        };
        #exit;
}

What could cause this silence?
I was wondering maybe mediaproxy or rtpproxy could help, but there is no nat
so I can find a reason why I should use them.

Could you check my conf file and point me into appropriate direction. Any
kind of help would be gladly expected.

Best wishes to all.

Andrew
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