[SR-Users] Routing error

Daniel-Constantin Mierla miconda at gmail.com
Fri Jan 7 10:39:53 CET 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 at kamailio.org 
> <mailto:sip%3Apinger at 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 at 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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