Re: [SR-Users] Routing error

7 Jan 2011


      The config is wrong, you have two main route blocks, there must be only one:
route {
...
}
Cheers,
Daniel
On 12/30/10 4:11 PM, Tim King wrote:
...
My calls are not making it to the dispatcher and I am not sure what I 
am doing wrong. Can anyone see what I need to modify so that my calls 
can be distributed to my free switch boxes via the dispatcher module?
cat /usr/local/etc/kamailio/kamailio.cfg
#!KAMAILIO
#!define WITH_MYSQL
#!define WITH_AUTH
#!define WITH_USRLOCDB
#!define WITH_FREESWITCH
#!define WITH_ANTIFLOOD
#!define WITH_DISPATCHER
#!ifdef ACCDB_COMMENT
  ALTER TABLE acc ADD COLUMN src_user VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE acc ADD COLUMN src_domain VARCHAR(128) NOT NULL DEFAULT '';
  ALTER TABLE acc ADD COLUMN dst_ouser VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE acc ADD COLUMN dst_user VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE acc ADD COLUMN dst_domain VARCHAR(128) NOT NULL DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN src_user VARCHAR(64) NOT NULL 
DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN src_domain VARCHAR(128) NOT NULL 
DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN dst_ouser VARCHAR(64) NOT NULL 
DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN dst_user VARCHAR(64) NOT NULL 
DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN dst_domain VARCHAR(128) NOT NULL 
DEFAULT '';
#!endif
####### Defined Values #########
# *** Value defines - IDs used later in config
#!ifdef WITH_MYSQL
# - database URL - used to connect to database server by modules such
#       as: auth_db, acc, usrloc, a.s.o.
#!define DBURL "mysql://openser:password@localhost/openser"
#!endif
#!ifdef WITH_MULTIDOMAIN
# - the value for 'use_domain' parameters
#!define MULTIDOMAIN 1
#!else
#!define MULTIDOMAIN 0
#!endif
# - flags
#   FLT_ - per transaction (message) flags
#       FLB_ - per branch flags
#!define FLT_ACC 1
#!define FLT_ACCMISSED 2
#!define FLT_ACCFAILED 3
#!define FLT_NATS 5
#!define FLB_NATB 6
#!define FLB_NATSIPPING 7
####### Global Parameters #########
#!ifdef WITH_DEBUG
debug=4
log_stderror=yes
#!else
debug=2
log_stderror=no
#!endif
memdbg=5
memlog=5
log_facility=LOG_LOCAL0
fork=yes
children=4
/* uncomment the next line to disable TCP (default on) */
#disable_tcp=yes
/* uncomment the next line to disable the auto discovery of local aliases
   based on reverse DNS on IPs (default on) */
#auto_aliases=no
/* add local domain aliases */
#alias="sip.mydomain.com http://sip.mydomain.com"
/* uncomment and configure the following line if you want Kamailio to
   bind on a specific interface/port/proto (default bind on all 
available) */
#listen=udp:10.0.0.10:5060 http://10.0.0.10:5060
/* port to listen to


can be specified more than once if needed to listen on many ports */


port=5060
#!ifdef WITH_TLS
enable_tls=yes
#!endif
#!ifdef WITH_FREESWITCH
freeswitch.bindip = "127.0.0.1" desc "FreeSWITCH IP Address"
freeswitch.bindport = "5090" desc "FreeSWITCH Port"
#!endif
####### Modules Section ########
# set paths to location of modules
#!ifdef LOCAL_TEST_RUN
mpath="modules_k:modules"
#!else
mpath="/usr/local/lib/kamailio/modules_k/:/usr/local/lib/kamailio/modules/"
#!endif
#!ifdef WITH_MYSQL
loadmodule "db_mysql.so"
#!endif
loadmodule "mi_fifo.so"
loadmodule "kex.so"
loadmodule "tm.so"
loadmodule "tmx.so"
loadmodule "sl.so"
loadmodule "rr.so"
loadmodule "pv.so"
loadmodule "maxfwd.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "textops.so"
loadmodule "siputils.so"
loadmodule "xlog.so"
loadmodule "sanity.so"
loadmodule "ctl.so"
loadmodule "mi_rpc.so"
loadmodule "acc.so"
loadmodule "dispatcher.so"
# loadmodule "modules/tm/tm.so"
#!ifdef WITH_AUTH
loadmodule "auth.so"
loadmodule "auth_db.so"
#!ifdef WITH_IPAUTH
loadmodule "permissions.so"
#!endif
#!endif
#!ifdef WITH_ALIASDB
loadmodule "alias_db.so"
#!endif
#!ifdef WITH_MULTIDOMAIN
loadmodule "domain.so"
#!endif
#!ifdef WITH_PRESENCE
loadmodule "presence.so"
loadmodule "presence_xml.so"
#!endif
#!ifdef WITH_NAT
loadmodule "nathelper.so"
loadmodule "rtpproxy.so"
#!endif
#!ifdef WITH_TLS
loadmodule "tls.so"
#!endif
#!ifdef WITH_ANTIFLOOD
loadmodule "htable.so"
loadmodule "pike.so"
#!endif
#!ifdef WITH_XMLRPC
loadmodule "xmlrpc.so"
#!endif
# ----------------- setting module-specific parameters ---------------
# ----- mi_fifo params -----
modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")
# ----- tm params -----
# auto-discard branches from previous serial forking leg
modparam("tm", "failure_reply_mode", 3)
# default retransmission timeout: 30sec
modparam("tm", "fr_timer", 30000)
# default invite retransmission timeout after 1xx: 120sec
modparam("tm", "fr_inv_timer", 120000)
# ----- rr params -----
# add value to ;lr param to cope with most of the UAs
modparam("rr", "enable_full_lr", 1)
# do not append from tag to the RR (no need for this script)
modparam("rr", "append_fromtag", 0)
# ----- registrar params -----
modparam("registrar", "method_filtering", 1)
/* uncomment the next line to disable parallel forking via location */
# modparam("registrar", "append_branches", 0)
/* uncomment the next line not to allow more than 10 contacts per AOR */
#modparam("registrar", "max_contacts", 10)
# ----- acc params -----
/* what special events should be accounted ? */
modparam("acc", "early_media", 0)
modparam("acc", "report_ack", 0)
modparam("acc", "report_cancels", 0)
/* by default ww do not adjust the direct of the sequential requests.
   if you enable this parameter, be sure the enable "append_fromtag"
   in "rr" module */
modparam("acc", "detect_direction", 0)
/* account triggers (flags) */
modparam("acc", "log_flag", FLT_ACC)
modparam("acc", "log_missed_flag", FLT_ACCMISSED)
modparam("acc", "log_extra",
"src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
modparam("acc", "failed_transaction_flag", FLT_ACCFAILED)
/* enhanced DB accounting */
#!ifdef WITH_ACCDB
modparam("acc", "db_flag", FLT_ACC)
modparam("acc", "db_missed_flag", FLT_ACCMISSED)
modparam("acc", "db_url", DBURL)
modparam("acc", "db_extra",
"src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
#!endif
# ----- usrloc params -----
/* enable DB persistency for location entries */
#!ifdef WITH_USRLOCDB
modparam("usrloc", "db_url", DBURL)
modparam("usrloc", "db_mode", 2)
modparam("usrloc", "use_domain", MULTIDOMAIN)
#!endif
# ----- auth_db params -----
#!ifdef WITH_AUTH
modparam("auth_db", "db_url", DBURL)
modparam("auth_db", "calculate_ha1", yes)
modparam("auth_db", "password_column", "password")
modparam("auth_db", "load_credentials", "")
modparam("auth_db", "use_domain", MULTIDOMAIN)
# ----- permissions params -----
#!ifdef WITH_IPAUTH
modparam("permissions", "db_url", DBURL)
modparam("permissions", "db_mode", 1)
#!endif
#!endif
# ----- alias_db params -----
#!ifdef WITH_ALIASDB
modparam("alias_db", "db_url", DBURL)
modparam("alias_db", "use_domain", MULTIDOMAIN)
#!endif
# ----- domain params -----
#!ifdef WITH_MULTIDOMAIN
modparam("domain", "db_url", DBURL)
# use caching
modparam("domain", "db_mode", 1)
# register callback to match myself condition with domains list
modparam("domain", "register_myself", 1)
#!endif
#!ifdef WITH_PRESENCE
# ----- presence params -----
modparam("presence", "db_url", DBURL)
# ----- presence_xml params -----
modparam("presence_xml", "db_url", DBURL)
modparam("presence_xml", "force_active", 1)
#!endif
#!ifdef WITH_NAT
# ----- rtpproxy params -----
modparam("rtpproxy", "rtpproxy_sock", "udp:127.0.0.1:7722 
http://127.0.0.1:7722")
# ----- nathelper params -----
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)
modparam("nathelper", "sipping_from", "sip:pinger@kamailio.org 
mailto:sip%3Apinger@kamailio.org")
# params needed for NAT traversal in other modules
modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
modparam("usrloc", "nat_bflag", FLB_NATB)
#!endif
#!ifdef WITH_TLS
# ----- tls params -----
modparam("tls", "config", "/usr/local/etc/kamailio/tls.cfg")
#!endif
#!ifdef WITH_ANTIFLOOD
# ----- pike params -----
modparam("pike", "sampling_time_unit", 2)
modparam("pike", "reqs_density_per_unit", 16)
modparam("pike", "remove_latency", 4)
# ----- htable params -----
# ip ban htable with autoexpire after 5 minutes
modparam("htable", "htable", "ipban=>size=8;autoexpire=300;")
#!endif
#!ifdef WITH_XMLRPC
# ----- xmlrpc params -----
modparam("xmlrpc", "route", "XMLRPC");
modparam("xmlrpc", "url_match", "^/RPC")
#!endif
####### Routing Logic ########
# Main SIP request routing logic
# - processing of any incoming SIP request starts with this route
route {
    # per request initial checks
    route(REQINIT);

    # NAT detection
    route(NAT);

    # handle requests within SIP dialogs
    route(WITHINDLG);

    ### only initial requests (no To tag)

    # CANCEL processing
    if (is_method("CANCEL"))
    {
            if (t_check_trans())
                    t_relay();
            exit;
    }

    t_check_trans();

    # authentication
    route(AUTH);

    # record routing for dialog forming requests (in case they are 

routed)
        # - remove preloaded route headers
        remove_hf("Route");
        if (is_method("INVITE|SUBSCRIBE"))
                record_route();
    # account only INVITEs
    if (is_method("INVITE"))
    {
            setflag(FLT_ACC); # do accounting
    }

    # dispatch requests to foreign domains
    route(SIPOUT);

    ### requests for my local domains

    # handle presence related requests
    route(PRESENCE);

    # handle registrations
    route(REGISTRAR);

    if ($rU==$null)
    {
            # request with no Username in RURI
            sl_send_reply("484","Address Incomplete");
            exit;
    }


    #!ifdef WITH_FREESWITCH
    # save callee ID
    $avp(callee) = $rU;
    route(FSDISPATCH);
    #!endif

    # user location service
    route(LOCATION);

    route(RELAY);

}
route[RELAY] {
#!ifdef WITH_NAT
        if (check_route_param("nat=yes")) {
                setbflag(FLB_NATB);
        }
        if (isflagset(FLT_NATS) || isbflagset(FLB_NATB)) {
                route(RTPPROXY);
        }
#!endif
#!ifdef WITH_CFGSAMPLES
        /* example how to enable some additional event routes */
        if (is_method("INVITE")) {
                #t_on_branch("BRANCH_ONE");
                t_on_reply("REPLY_ONE");
                t_on_failure("FAIL_ONE");
        }
#!endif
    if (!t_relay()) {
            sl_reply_error();
    }
    exit;

}
# Per SIP request initial checks
route[REQINIT] {
#!ifdef WITH_ANTIFLOOD
        # flood dection from same IP and traffic ban for a while
        # be sure you exclude checking trusted peers, such as pstn 
gateways
        # - local host excluded (e.g., loop to self)
        if(src_ip!=myself)
        {
                if($sht(ipban=>$si)!=$null)
                {
                        # ip is already blocked
                        xdbg("request from blocked IP - $rm from $fu 
(IP:$si:$sp)\n");
                        exit;
                }
                if (!pike_check_req())
                {
                        xlog("L_ALERT","ALERT: pike blocking $rm from 
$fu (IP:$si:$sp)\n");
                        $sht(ipban=>$si) = 1;
                        exit;
                }
        }
#!endif
    if (!mf_process_maxfwd_header("10")) {
            sl_send_reply("483","Too Many Hops");
            exit;
    }

    if(!sanity_check("1511", "7"))
    {
            xlog("Malformed SIP message from $si:$sp\n");
            exit;
    }

}
# Handle requests within SIP dialogs
route[WITHINDLG] {
        if (has_totag()) {
                # sequential request withing a dialog should
                # take the path determined by record-routing
                if (loose_route()) {
                        if (is_method("BYE")) {
                                setflag(FLT_ACC); # do accounting ...
                                setflag(FLT_ACCFAILED); # ... even if 
the transaction fails
                        }
                        route(RELAY);
                } else {
                        if (is_method("SUBSCRIBE") && uri == myself) {
                                # in-dialog subscribe requests
                                route(PRESENCE);
                                exit;
                        }
                        if ( is_method("ACK") ) {
                                if ( t_check_trans() ) {
                                        # no 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
                                        exit;
                                }
                        }
                        sl_send_reply("404","Not here");
                }
                exit;
        }
}
# Handle SIP registrations
route[REGISTRAR] {
        if (is_method("REGISTER"))
        {
                if(isflagset(FLT_NATS))
                {
                        setbflag(FLB_NATB);
                        # uncomment next line to do SIP NAT pinging
                        ## setbflag(FLB_NATSIPPING);
                }
                if (!save("location"))
                        sl_reply_error();
            exit;
    }

}
# USER location service
route[LOCATION] {
#!ifdef WITH_ALIASDB
        # search in DB-based aliases
        alias_db_lookup("dbaliases");
#!endif
    if (!lookup("location")) {
            switch ($rc) {
                    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
    if (is_method("INVITE"))
    {
            setflag(FLT_ACCMISSED);
    }

}
# Presence server route
route[PRESENCE] {
        if(!is_method("PUBLISH|SUBSCRIBE"))
                return;
#!ifdef WITH_PRESENCE
        if (!t_newtran())
        {
                sl_reply_error();
                exit;
        };
    if(is_method("PUBLISH"))
    {
            handle_publish();
            t_release();
    }
    else
    if( is_method("SUBSCRIBE"))
    {
            handle_subscribe();
            t_release();
    }
    exit;

#!endif
    # if presence enabled, this part will not be executed
    if (is_method("PUBLISH") || $rU==$null)
    {
            sl_send_reply("404", "Not here");
            exit;
    }
    return;

}
# Authentication route
route[AUTH] {
#!ifdef WITH_AUTH
        if (is_method("REGISTER"))
        {
                # authenticate the REGISTER requests (uncomment to 
enable auth)
                if (!www_authorize("$td", "subscriber"))
                {
                        www_challenge("$td", "0");
                        exit;
                }
            if ($au!=$tU)
            {
                    sl_send_reply("403","Forbidden auth ID");
                    exit;
            }
    } else {


#!ifdef WITH_FREESWITCH
        if(route(FSINBOUND))
                return;
#!endif
#!ifdef WITH_IPAUTH
                if(allow_source_address())
                {
                        # source IP allowed
                        return;
                }
#!endif
            # authenticate if from local subscriber
            if (from_uri==myself)
            {
                    if (!proxy_authorize("$fd", "subscriber")) {
                            proxy_challenge("$fd", "0");
                            exit;
                    }
                    if (is_method("PUBLISH"))
                    {
                            if ($au!=$tU) {
                                    sl_send_reply("403","Forbidden 

auth ID");
                                        exit;
                                }
                        } else {
                                if ($au!=$fU) {
                                        sl_send_reply("403","Forbidden 
auth ID");
                                        exit;
                                }
                        }
                    consume_credentials();
                    # caller authenticated
            } else {
                    # caller is not local subscriber, then check 

if it calls
                        # a local destination, otherwise deny, not an 
open relay here
                        if (!uri==myself)
                        {
                                sl_send_reply("403","Not relaying");
                                exit;
                        }
                }
        }
#!endif
        return;
}
# Caller NAT detection route
route[NAT] {
#!ifdef WITH_NAT
        force_rport();
        if (nat_uac_test("19")) {
                if (method=="REGISTER") {
                        fix_nated_register();
                } else {
                        fix_nated_contact();
                }
                setflag(FLT_NATS);
        }
#!endif
        return;
}
# RTPProxy control
route[RTPPROXY] {
#!ifdef WITH_NAT
        if (is_method("BYE")) {
                unforce_rtp_proxy();
        } else if (is_method("INVITE")){
                force_rtp_proxy();
        }
        if (!has_totag()) add_rr_param(";nat=yes");
#!endif
        return;
}
# Routing to foreign domains
route[SIPOUT] {
        if (!uri==myself)
        {
                append_hf("P-hint: outbound\r\n");
                route(RELAY);
        }
}
#!ifdef WITH_FREESWITCH
# FreeSWITCH routing blocks
route[FSINBOUND] {
        if($si== $sel(cfg_get.freeswitch.bindip)
&& $sp==$sel(cfg_get.freeswitch.bindport))
                return 1;
        return -1;
}
route[FSDISPATCH] {
        if(!is_method("INVITE"))
                return;
        if(route(FSINBOUND))
                return;
    # dial number selection
    switch($rU) {
            case /"^41$":
                    # 41 - voicebox menu
                    # allow only authenticated users
                    if($au==$null)
                    {
                            sl_send_reply("403", "Not allowed");
                            exit;
                    }
                    $rU = "vm-" + $au;
            break;
            case /"^441[0-9][0-9]$":
                    # starting with 44 folowed by 1XY - direct 

call to voice box
                        strip(2);
                        route(FSVBOX);
                break;
                case /"^433[01][0-9][0-9]$":
                        # starting with 433 folowed by (0|1)XY - 
conference
                        strip(2);
                break;
                case /"^45[0-9]+$":
                        strip(2);
                break;
                default:
                        # offline - send to voicebox
                        if (!registered("location"))
                        {
                                route(FSVBOX);
                                exit;
                        }
                        # online - do bridging
                        prefix("kb-");
                        if(is_method("INVITE"))
                        {
                                # in case of failure - re-route to 
FreeSWITCH VoiceMail
                                t_on_failure("FAIL_FSVBOX");
                        }
        }
        route(FSRELAY);
        exit;
}
route[FSVBOX] {
        if(!($rU=~"^1[0-9][0-9]+$"))
                return;
        prefix("vb-");
        route(FSRELAY);
}
# Send to FreeSWITCH
route[FSRELAY] {
        $du = "sip:" + $sel(cfg_get.freeswitch.bindip) + ":"
                        + $sel(cfg_get.freeswitch.bindport);
        if($var(newbranch)==1)
        {
                append_branch();
                $var(newbranch) = 0;
        }
        route(RELAY);
        exit;
}
#!endif
#!ifdef WITH_FREESWITCH
failure_route[FAIL_FSVBOX] {
#!ifdef WITH_NAT
        if (is_method("INVITE")
&& (isbflagset(FLB_NATB) || isflagset(FLT_NATS))) {
                unforce_rtp_proxy();
        }
#!endif
    if (t_is_canceled()) {
            exit;
    }

    if (t_check_status("486|408")) {
            # re-route to FreeSWITCH VoiceMail
            $rU = $avp(callee);
            $var(newbranch) = 1;
            route(FSVBOX);
    }

}
#!endif
# sample config file for dispatcher module
#!ifdef WITH_DISPATCHER
modparam("dispatcher", "db_url", 
"mysql://openser:password@localhost/openser")
route{
        if ( !mf_process_maxfwd_header("10") )
        {
                sl_send_reply("483","To Many Hops");
                drop();
        };
    ds_select_dst("1", "0");

    forward();
    # t_relay();

}
#!endif

SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
sr-users@lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
-- 
Daniel-Constantin Mierla
Kamailio (OpenSER) Advanced Training
Jan 24-26, 2011, Irvine, CA, USA
http://www.asipto.com

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Re: [SR-Users] Routing error