[SR-Users] Presence and BLF

Bill Neely bill at xantek.net
Thu Sep 12 17:01:15 CEST 2019


Daniel:

Thanks for the ideas. I won't be able to work on this until the 
sweekend, but I will report what I find out.


Bill


On 9/12/19 12:35 AM, Daniel-Constantin Mierla wrote:
> Hello,
>
> the modules are the same, so that tutorial can be a starting point.
>
> You should with debug=3 in kamailio.cfg and look at the log messages to
> see if you can spot something that provides hints about what happens,
> maybe the NOTIFY is looping, or the publish requests are not generated, ...
>
> Have also a sip traffic sniffer (e.g., ngrep, wireshark) running on all
> network interfaces, it helps seeing what sip packets are sent around.
>
> Cheers,
> Daniel
>
> On 31.08.19 00:48, Bill Neely wrote:
>> Hi all:
>>
>> I am trying to set up presence and BLF notifies on Kamailo 5.2.4
>>
>> I am following the instructions laid out in
>> http://kb.asipto.com/kamailio:presence:k43-blf
>>
>> Don't know if these instructions are valid, but I am definitely not
>> getting any light action (using Grandstream 2130 and Grandstream Wav
>> for testing.)
>>
>> Entries in active_watchers appear to be correct.
>>
>> Here is my cfg file:
>>
>> #!KAMAILIO
>> #
>> # Kamailio (OpenSER) SIP Server v5.1 - default configuration script
>> #     - web: https://www.kamailio.org
>> #     - git: https://github.com/kamailio/kamailio
>> #
>> # Direct your questions about this file to: <sr-users at lists.kamailio.org>
>> #
>> # Refer to the Core CookBook at https://www.kamailio.org/wiki/
>> # for an explanation of possible statements, functions and parameters.
>> #
>> # Note: the comments can be:
>> #     - lines starting with #, but not the pre-processor directives,
>> #       which start with #!, like #!define, #!ifdef, #!endif, #!else,
>> #!trydef,
>> #       #!subst, #!substdef, ...
>> #     - lines starting with //
>> #     - blocks enclosed in between /* */
>> #
>> # Several features can be enabled using '#!define WITH_FEATURE'
>> directives:
>> #
>> # *** To run in debug mode:
>> #     - define WITH_DEBUG
>> #
>> # *** To enable mysql:
>> #     - define WITH_MYSQL
>> #
>> # *** To enable authentication execute:
>> #     - enable mysql
>> #     - define WITH_AUTH
>> #     - add users using 'kamctl'
>> #
>> # *** To enable IP authentication execute:
>> #     - enable mysql
>> #     - enable authentication
>> #     - define WITH_IPAUTH
>> #     - add IP addresses with group id '1' to 'address' table
>> #
>> # *** To enable persistent user location execute:
>> #     - enable mysql
>> #     - define WITH_USRLOCDB
>> #
>> # *** To enable presence server execute:
>> #     - enable mysql
>> #     - define WITH_PRESENCE
>> #
>> # *** To enable nat traversal execute:
>> #     - define WITH_NAT
>> #     - install RTPProxy: http://www.rtpproxy.org
>> #     - start RTPProxy:
>> #        rtpproxy -l _your_public_ip_ -s udp:localhost:7722
>> #     - option for NAT SIP OPTIONS keepalives: WITH_NATSIPPING
>> #
>> # *** To enable PSTN gateway routing execute:
>> #     - define WITH_PSTN
>> #     - set the value of pstn.gw_ip
>> #     - check route[PSTN] for regexp routing condition
>> #
>> # *** To enable database aliases lookup execute:
>> #     - enable mysql
>> #     - define WITH_ALIASDB
>> #
>> # *** To enable speed dial lookup execute:
>> #     - enable mysql
>> #     - define WITH_SPEEDDIAL
>> #
>> # *** To enable multi-domain support execute:
>> #     - enable mysql
>> #     - define WITH_MULTIDOMAIN
>> #
>> # *** To enable TLS support execute:
>> #     - adjust CFGDIR/tls.cfg as needed
>> #     - define WITH_TLS
>> #
>> # *** To enable XMLRPC support execute:
>> #     - define WITH_XMLRPC
>> #     - adjust route[XMLRPC] for access policy
>> #
>> # *** To enable anti-flood detection execute:
>> #     - adjust pike and htable=>ipban settings as needed (default is
>> #       block if more than 16 requests in 2 seconds and ban for 300
>> seconds)
>> #     - define WITH_ANTIFLOOD
>> #
>> # *** To block 3XX redirect replies execute:
>> #     - define WITH_BLOCK3XX
>> #
>> # *** To block 401 and 407 authentication replies execute:
>> #     - define WITH_BLOCK401407
>> #
>> # *** To enable VoiceMail routing execute:
>> #     - define WITH_VOICEMAIL
>> #     - set the value of voicemail.srv_ip
>> #     - adjust the value of voicemail.srv_port
>> #
>> # *** To enhance accounting execute:
>> #     - enable mysql
>> #     - define WITH_ACCDB
>> #     - add following columns to database
>> #!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 src_ip varchar(64) 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 src_ip varchar(64) 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
>>
>> ####### Include Local Config If Exists #########
>> import_file "kamailio-local.cfg"
>> #!define WITH_DEBUG
>> #!define WITH_NAT
>> #!define WITH_AUTH
>> #!define WITH_MYSQL
>> #!define WITH_USRLOCDB
>> #!define WITH_PRESENCE
>>
>> ####### 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.
>> #!ifndef DBURL
>> #!define DBURL "mysql://kamailio:kamailiorw@localhost/kamailio"
>> #!endif
>> #!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 FLT_DLG 9
>> #!define FLT_DLGINFO 10
>>
>> #!define FLB_NATB 6
>> #!define FLB_NATSIPPING 7
>>
>> ####### Global Parameters #########
>>
>> ### LOG Levels: 3=DBG, 2=INFO, 1=NOTICE, 0=WARN, -1=ERR
>> #!ifdef WITH_DEBUG
>> debug=3
>> log_stderror=no
>> #!else
>> debug=2
>> log_stderror=no
>> #!endif
>>
>> memdbg=5
>> memlog=5
>>
>> log_facility=LOG_LOCAL0
>> log_prefix="{$mt $hdr(CSeq) $ci} "
>>
>> /* number of SIP routing processes */
>> children=8
>>
>> /* 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"
>> /* 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:62.151.xx.xx:50060
>> # allow http requests
>> listen=tcp:127.0.0.1:8080
>> tcp_accept_no_cl=yes
>>
>> #!ifdef WITH_TLS
>> enable_tls=yes
>> #!endif
>>
>> /* life time of TCP connection when there is no traffic
>>   * - a bit higher than registration expires to cope with UA behind NAT */
>> tcp_connection_lifetime=3605
>>
>> ####### Custom Parameters #########
>>
>> /* These parameters can be modified runtime via RPC interface
>>   * - see the documentation of 'cfg_rpc' module.
>>   *
>>   * Format: group.id = value 'desc' description
>>   * Access: $sel(cfg_get.group.id) or @cfg_get.group.id */
>>
>> #!ifdef WITH_PSTN
>> /* PSTN GW Routing
>>   *
>>   * - pstn.gw_ip: valid IP or hostname as string value, example:
>>   * pstn.gw_ip = "10.0.0.101" desc "My PSTN GW Address"
>>   *
>>   * - by default is empty to avoid misrouting */
>> pstn.gw_ip = "" desc "PSTN GW Address"
>> pstn.gw_port = "" desc "PSTN GW Port"
>> #!endif
>>
>> #!ifdef WITH_VOICEMAIL
>> /* VoiceMail Routing on offline, busy or no answer
>>   *
>>   * - by default Voicemail server IP is empty to avoid misrouting */
>> voicemail.srv_ip = "104.192.xx.xx" desc "VoiceMail IP Address"
>> voicemail.srv_port = "5060" desc "VoiceMail Port"
>> #!endif
>>
>> ####### Modules Section ########
>>
>> /* set paths to location of modules */
>> # mpath="/usr/lib64/kamailio/modules/"
>>
>> #!ifdef WITH_MYSQL
>> loadmodule "db_mysql.so"
>> #!endif
>>
>> loadmodule "jsonrpcs.so"
>> loadmodule "kex.so"
>> loadmodule "corex.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 "cfg_rpc.so"
>> loadmodule "acc.so"
>> loadmodule "counters.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_SPEEDDIAL
>> loadmodule "speeddial.so"
>> #!endif
>>
>> #!ifdef WITH_MULTIDOMAIN
>> loadmodule "domain.so"
>> #!endif
>>
>> #!ifdef WITH_PRESENCE
>> loadmodule "presence.so"
>> loadmodule "presence_xml.so"
>> loadmodule "presence_dialoginfo.so"
>> loadmodule "pua.so"
>> loadmodule "pua_dialoginfo.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
>>
>> #!ifdef WITH_DEBUG
>> loadmodule "debugger.so"
>> #!endif
>>
>> # load the module
>> loadmodule "xhttp.so"
>> loadmodule "json.so"
>> loadmodule "pua_json.so"
>>
>> loadmodule "dialog.so"
>> # ----------------- setting module-specific parameters ---------------
>>
>>
>> # ----- jsonrpcs params -----
>> modparam("jsonrpcs", "pretty_format", 1)
>> /* set the path to RPC fifo control file */
>> # modparam("jsonrpcs", "fifo_name",
>> "/var/run/kamailio/kamailio_rpc.fifo")
>> /* set the path to RPC unix socket control file */
>> # modparam("jsonrpcs", "dgram_socket",
>> "/var/run/kamailio/kamailio_rpc.sock")
>>
>> # ----- ctl params -----
>> /* set the path to RPC unix socket control file */
>> # modparam("ctl", "binrpc", "unix:/var/run/kamailio/kamailio_ctl")
>>
>> # ----- 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 -----
>> # set next param to 1 to add value to ;lr param (helps with some UAs)
>> modparam("rr", "enable_full_lr", 0)
>> # 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)
>> /* max value for expires of registrations */
>> modparam("registrar", "max_expires", 3600)
>> /* set it to 1 to enable GRUU */
>> modparam("registrar", "gruu_enabled", 0)
>>
>> # ----- 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=$fd;src_ip=$si;"
>>      "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=$fd;src_ip=$si;"
>>      "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
>>
>> # ----- speeddial params -----
>> #!ifdef WITH_SPEEDDIAL
>> modparam("speeddial", "db_url", DBURL)
>> modparam("speeddial", "use_domain", MULTIDOMAIN)
>> #!endif
>>
>> # ----- domain params -----
>> #!ifdef WITH_MULTIDOMAIN
>> modparam("domain", "db_url", DBURL)
>> /* 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)
>> modparam("presence", "server_address", "sip:62.151.xx.xx:50060" )
>> modparam("presence", "send_fast_notify", 0)
>> modparam("presence", "db_update_period", 20)
>> modparam("presence", "clean_period", 40)
>> modparam("presence", "subs_db_mode", 2)
>> modparam("presence", "fetch_rows", 1000)
>> modparam("presence", "local_log_level", 3)
>>
>> # ----- presence_xml params -----
>> modparam("presence_xml", "db_url", DBURL)
>> modparam("presence_xml", "force_active", 1)
>>
>> # ----- presence_dialoginfo params -----
>> modparam("presence_dialoginfo", "force_single_dialog", 0)
>>
>> # ----- pua params -----
>> modparam("pua", "db_url", DBURL)
>> modparam("pua", "db_mode", 2)
>> modparam("pua", "update_period", 60)
>> modparam("pua", "dlginfo_increase_version", 0)
>> modparam("pua", "reginfo_increase_version", 0)
>> modparam("pua", "check_remote_contact", 1)
>> modparam("pua", "fetch_rows", 1000)
>>
>> # ----- pua_dialoginfo params -----
>> modparam("pua_dialoginfo", "include_callid", 1)
>> modparam("pua_dialoginfo", "send_publish_flag", FLT_DLGINFO)
>> modparam("pua_dialoginfo", "caller_confirmed", 0)
>> modparam("pua_dialoginfo", "include_tags", 1)
>> modparam("pua_dialoginfo", "override_lifetime", 124)
>>
>> #!endif
>>
>> # ----- dialog params -----
>> modparam("dialog", "db_url", DBURL)
>> modparam("dialog", "enable_stats", 1)
>> modparam("dialog", "db_mode", 1)
>> modparam("dialog", "dlg_flag", FLT_DLG)
>>
>> #!ifdef WITH_NAT
>> # ----- rtpproxy params -----
>> modparam("rtpproxy", "rtpproxy_sock", "udp:127.0.0.1:22222")
>>
>> # ----- 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")
>>
>> # 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", "/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
>>
>> #!ifdef WITH_DEBUG
>> # ----- debugger params -----
>> modparam("debugger", "cfgtrace", 1)
>> modparam("debugger", "log_level_name", "exec")
>> #!endif
>>
>> ####### Routing Logic ########
>>
>>
>> /* Main SIP request routing logic
>>   * - processing of any incoming SIP request starts with this route
>>   * - note: this is the same as route { ... } */
>> request_route {
>> xlog("L_ALERT","ALERT: REQUEST ROUTE
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^6 $rm from $fu (IP:$si:$sp)
>> $du\nMESSAGE BUFFER:\n$mb\n\n\nRU:$ru\n");
>> $var(i)=0;
>> while($var(i)<$branch(count))
>> {
>>     xlog("$(branch(uri)[$var(i)])\n");
>>     $var(i) = $var(i) + 1;
>> }
>>      # per request initial checks
>>      route(REQINIT);
>>
>>      # NAT detection
>>      route(NATDETECT);
>>
>>      # handle registrations
>>      route(REGISTRAR);
>>
>>      # CANCEL processing
>>      if (is_method("CANCEL")) {
>>          if (t_check_trans()) {
>>              route(RELAY);
>>          }
>>          exit;
>>      }
>>
>>      # handle retransmissions
>>      if (!is_method("ACK")) {
>>          if(t_precheck_trans()) {
>>              t_check_trans();
>>              exit;
>>          }
>>          t_check_trans();
>>      }
>>
>>      # handle requests within SIP dialogs
>>      route(WITHINDLG);
>>
>>      ### only initial requests (no To tag)
>>
>>      # authentication
>>      route(AUTH);
>>
>>      # record routing for dialog forming requests (in case they are
>> routed)
>>      # - remove preloaded route headers
>>      remove_hf("Route");
>>
>> xlog("L_ALERT","ALERT: line 492******************************** $rm
>> from $fu (IP:$si:$sp)\n");
>>      if (is_method("INVITE|SUBSCRIBE")) {
>> xlog("L_ALERT","ALERT: line 494******************************** $rm
>> from $fu (IP:$si:$sp)\n");
>>          record_route();
>>      }
>>
>>      # account only INVITEs
>>      if (is_method("INVITE")) {
>>          setflag(FLT_ACC); # do accounting
>>      }
>>
>>      # dispatch requests to foreign domains
>>      route(SIPOUT);
>>
>>      ### requests for my local domains
>>
>>      # handle presence related requests
>>      route(PRESENCE);
>>
>>
>>      if ($rU==$null) {
>>          # request with no Username in RURI
>>          sl_send_reply("484","Address Incomplete");
>>          exit;
>>      }
>>
>>      # dispatch destinations to PSTN
>>      route(PSTN);
>>
>>      # user location service
>>      route(LOCATION);
>> }
>>
>> event_route[xhttp:request] {
>>
>>     if ($hu != "/presence/") {
>>          xlog("L_INFO", "invalid request [$hu]");
>>          xhttp_reply("404", "Not Found", "text/html", "");
>>          return;
>>       }
>>       $var(call-id) = $(rb{json.parse,Call-ID});
>>       xlog("L_INFO", "$var(call-id)|log|[$hu] payload $rb");
>>       if ($(rb{json.parse,Event-Package}) == "dialog") {
>>          xlog("L_INFO", "$var(call-id)|log|received
>> $(rb{json.parse,Event-Package}) update for $(rb{json.parse,From}) $rb");
>>          pua_json_publish($rb);
>>      }
>>      xhttp_reply("200", "OK", "text/html", "$rb");
>> }
>>
>> # Wrapper for relaying requests
>> route[RELAY] {
>>
>>      # enable additional event routes for forwarded requests
>>      # - serial forking, RTP relaying handling, a.s.o.
>>      if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE")) {
>>          if(!t_is_set("branch_route")) t_on_branch("MANAGE_BRANCH");
>>      }
>>      if (is_method("INVITE|SUBSCRIBE|UPDATE")) {
>>          if(!t_is_set("onreply_route")) t_on_reply("MANAGE_REPLY");
>>      }
>>      if (is_method("INVITE")) {
>>          if(!t_is_set("failure_route")) t_on_failure("MANAGE_FAILURE");
>>      }
>>
>>      if(is_method("INVITE|BYE|UPDATE|CANCEL|ACK")) {
>>          setflag(FLT_DLGINFO);
>>          dlg_manage();
>>      }
>>
>>      if (!t_relay()) {
>>          sl_reply_error();
>>      }
>>      exit;
>> }
>>
>> # Per SIP request initial checks
>> route[REQINIT] {
>> #!ifdef WITH_ANTIFLOOD
>>      # flood detection from same IP and traffic ban for a while
>>      # be sure you exclude checking trusted peers, such as pstn gateways
>>      # - local host excluded (e.g., loop to self)
>>      if(src_ip!=myself) {
>>          if($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($ua =~ "friendly-scanner|sipcli|VaxSIPUserAgent") {
>>          # silent drop for scanners - uncomment next line if want to reply
>>          # sl_send_reply("200", "OK");
>>          exit;
>>      }
>>
>>      if (!mf_process_maxfwd_header("10")) {
>>          sl_send_reply("483","Too Many Hops");
>>          exit;
>>      }
>>
>>      if(is_method("OPTIONS") && uri==myself && $rU==$null) {
>>          sl_send_reply("200","Keepalive");
>>          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()) return;
>>
>>      # sequential request withing a dialog should
>>      # take the path determined by record-routing
>>      if (loose_route()) {
>>          route(DLGURI);
>>          if (is_method("BYE")) {
>>              setflag(FLT_ACC); # do accounting ...
>>              setflag(FLT_ACCFAILED); # ... even if the transaction fails
>>          } else if ( is_method("ACK") ) {
>>              # ACK is forwarded statelessly
>>              route(NATMANAGE);
>>          } else if ( is_method("NOTIFY") ) {
>>              # Add Record-Route for in-dialog NOTIFY as per RFC 6665.
>>              record_route();
>>          }
>>          route(RELAY);
>>          exit;
>>      }
>>
>>      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
>>              route(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")) return;
>>
>>      if(isflagset(FLT_NATS)) {
>>          setbflag(FLB_NATB);
>> #!ifdef WITH_NATSIPPING
>>          # do SIP NAT pinging
>>          setbflag(FLB_NATSIPPING);
>> #!endif
>>      }
>>      if (!save("location")) {
>>          sl_reply_error();
>>      }
>>      exit;
>> }
>>
>> # User location service
>> route[LOCATION] {
>>
>> #!ifdef WITH_SPEEDDIAL
>>      # search for short dialing - 2-digit extension
>>      if($rU=~"^[0-9][0-9]$") {
>>          if(sd_lookup("speed_dial")) {
>>              route(SIPOUT);
>>          }
>>      }
>> #!endif
>>
>> #!ifdef WITH_ALIASDB
>>      # search in DB-based aliases
>>      if(alias_db_lookup("dbaliases")) {
>>          route(SIPOUT);
>>      }
>> #!endif
>>
>>      $avp(oexten) = $rU;
>>      if (!lookup("location")) {
>>          $var(rc) = $rc;
>>          route(TOVOICEMAIL);
>>          t_newtran();
>>          switch ($var(rc)) {
>>              case -1:
>>              case -3:
>>                  send_reply("404", "Not Found");
>>                  exit;
>>              case -2:
>>                  send_reply("405", "Method Not Allowed");
>>                  exit;
>>          }
>>      }
>>
>>      # when routing via usrloc, log the missed calls also
>>      if (is_method("INVITE")) {
>>          setflag(FLT_ACCMISSED);
>>      }
>>
>>      route(RELAY);
>>      exit;
>> }
>>
>> # Presence server processing
>> route[PRESENCE] {
>>      if(!is_method("PUBLISH|SUBSCRIBE")) return;
>>
>>      if(is_method("SUBSCRIBE") && $hdr(Event)=="message-summary") {
>>          route(TOVOICEMAIL);
>>          # returns here if no voicemail server is configured
>>          sl_send_reply("404", "No voicemail service");
>>          exit;
>>      }
>>
>> #!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;
>> }
>>
>> # IP authorization and user authentication
>> route[AUTH] {
>> #!ifdef WITH_AUTH
>>
>> #!ifdef WITH_IPAUTH
>>      if((!is_method("REGISTER")) && allow_source_address()) {
>>          # source IP allowed
>>          return;
>>      }
>> #!endif
>>
>>      if (is_method("REGISTER") || from_uri==myself) {
>>          # authenticate requests
>>          if (!auth_check("$fd", "subscriber", "1")) {
>>              auth_challenge("$fd", "0");
>>              exit;
>>          }
>>          # user authenticated - remove auth header
>>          if(!is_method("REGISTER|PUBLISH"))
>>              consume_credentials();
>>      }
>>      # if caller is not local subscriber, then check if it calls
>>      # a local destination, otherwise deny, not an open relay here
>>      if (from_uri!=myself && uri!=myself) {
>>          sl_send_reply("403","Not relaying");
>>          exit;
>>      }
>>
>> #!else
>>
>>      # authentication not enabled - do not relay at all to foreign
>> networks
>>      if(uri!=myself) {
>>          sl_send_reply("403","Not relaying");
>>          exit;
>>      }
>>
>> #!endif
>>      return;
>> }
>>
>> # Caller NAT detection
>> route[NATDETECT] {
>> #!ifdef WITH_NAT
>>      force_rport();
>>      if (nat_uac_test("19")) {
>>          if (is_method("REGISTER")) {
>>              fix_nated_register();
>>          } else {
>>              if(is_first_hop()) {
>>                  set_contact_alias();
>>              }
>>          }
>>          setflag(FLT_NATS);
>>      }
>> #!endif
>>      return;
>> }
>>
>> # RTPProxy control and signaling updates for NAT traversal
>> route[NATMANAGE] {
>> xlog("ALERT:NATMANAGE********************* (IP:$si:$sp)\n(DEST:$du @
>> $di:$dp)\n");  ;
>> #!ifdef WITH_NAT
>>      if (is_request()) {
>>          if(has_totag()) {
>>              if(check_route_param("nat=yes")) {
>>                  setbflag(FLB_NATB);
>>              }
>>          }
>>      }
>>      if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB))) return;
>>
>>      if(nat_uac_test("8")) {
>>          rtpproxy_manage("co");
>>      } else {
>>          rtpproxy_manage("corwie");
>>      }
>>
>>      if (is_request()) {
>>          if (!has_totag()) {
>>              if(t_is_branch_route()) {
>>                  add_rr_param(";nat=yes");
>>              }
>>          }
>>      }
>>      if (is_reply()) {
>>          if(isbflagset(FLB_NATB)) {
>>              if(is_first_hop())
>>                  set_contact_alias();
>>          }
>>      }
>> #!endif
>>      return;
>> }
>>
>> # URI update for dialog requests
>> route[DLGURI] {
>> #!ifdef WITH_NAT
>>      if(!isdsturiset()) {
>>          handle_ruri_alias();
>>      }
>> #!endif
>>      return;
>> }
>>
>> # Routing to foreign domains
>> # Routing to foreign domains
>> route[SIPOUT] {
>>           xlog("ALERT: SIPOUT (IP:$si:$sp)\n(DEST:$du @ $di:$dp)\n");  ;
>>
>>
>>      if (uri==myself) return;
>>
>>      append_hf("P-hint: outbound\r\n");
>>      route(RELAY);
>>      exit;
>> }
>>
>> route[TOAST] {
>>
>>          rewritehostport("45.33.xx.xx:5060");
>>          $fu = "sip:7028743833 at 62.151.182.83:5012";
>>          append_hf("P-hint: outbound\r\n");
>>          route(RELAY);
>> exit;
>> }
>>
>> # PSTN GW routing
>> route[PSTN] {
>> #!ifdef WITH_PSTN
>>      # check if PSTN GW IP is defined
>>      if (strempty($sel(cfg_get.pstn.gw_ip))) {
>>          xlog("SCRIPT: PSTN routing enabled but pstn.gw_ip not
>> defined\n");
>>          return;
>>      }
>>
>>      # route to PSTN dialed numbers starting with '+' or '00'
>>      #     (international format)
>>      # - update the condition to match your dialing rules for PSTN routing
>>      if(!($rU=~"^(\+|00)[1-9][0-9]{3,20}$")) return;
>>
>>      # only local users allowed to call
>>      if(from_uri!=myself) {
>>          sl_send_reply("403", "Not Allowed");
>>          exit;
>>      }
>>
>>      if (strempty($sel(cfg_get.pstn.gw_port))) {
>>          $ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip);
>>      } else {
>>          $ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip) + ":"
>>                      + $sel(cfg_get.pstn.gw_port);
>>      }
>>
>>      route(RELAY);
>>      exit;
>> #!endif
>>
>>      return;
>> }
>>
>> # XMLRPC routing
>> #!ifdef WITH_XMLRPC
>> route[XMLRPC] {
>>      # allow XMLRPC from localhost
>>      if ((method=="POST" || method=="GET")
>>              && (src_ip==127.0.0.1)) {
>>          # close connection only for xmlrpclib user agents (there is a
>> bug in
>>          # xmlrpclib: it waits for EOF before interpreting the response).
>>          if ($hdr(User-Agent) =~ "xmlrpclib")
>>              set_reply_close();
>>          set_reply_no_connect();
>>          dispatch_rpc();
>>          exit;
>>      }
>>      send_reply("403", "Forbidden");
>>      exit;
>> }
>> #!endif
>>
>> # Routing to voicemail server
>> route[TOVOICEMAIL] {
>> #!ifdef WITH_VOICEMAIL
>>      if(!is_method("INVITE|SUBSCRIBE")) return;
>>
>>      # check if VoiceMail server IP is defined
>>      if (strempty($sel(cfg_get.voicemail.srv_ip))) {
>>          xlog("SCRIPT: VoiceMail routing enabled but IP not defined\n");
>>          return;
>>      }
>>      if(is_method("INVITE")) {
>>          if($avp(oexten)==$null) return;
>>
>>          $ru = "sip:" + $avp(oexten) + "@" +
>> $sel(cfg_get.voicemail.srv_ip)
>>                  + ":" + $sel(cfg_get.voicemail.srv_port);
>>      } else {
>>          if($rU==$null) return;
>>
>>          $ru = "sip:" + $rU + "@" + $sel(cfg_get.voicemail.srv_ip)
>>                  + ":" + $sel(cfg_get.voicemail.srv_port);
>>      }
>>      route(RELAY);
>>      exit;
>> #!endif
>>
>>      return;
>> }
>>
>> # Manage outgoing branches
>> branch_route[MANAGE_BRANCH] {
>>      xdbg("new branch [$T_branch_idx] to $ru\n");
>>      route(NATMANAGE);
>> }
>>
>> # Manage incoming replies
>> onreply_route[MANAGE_REPLY] {
>>      xdbg("incoming reply\n");
>>      if(status=~"[12][0-9][0-9]") {
>>          route(NATMANAGE);
>>      }
>> }
>>
>> # Manage failure routing cases
>> failure_route[MANAGE_FAILURE] {
>>      route(NATMANAGE);
>>
>>      if (t_is_canceled()) exit;
>>
>> #!ifdef WITH_BLOCK3XX
>>      # block call redirect based on 3xx replies.
>>      if (t_check_status("3[0-9][0-9]")) {
>>          t_reply("404","Not found");
>>          exit;
>>      }
>> #!endif
>>
>> #!ifdef WITH_BLOCK401407
>>      # block call redirect based on 401, 407 replies.
>>      if (t_check_status("401|407")) {
>>          t_reply("404","Not found");
>>          exit;
>>      }
>> #!endif
>>
>> #!ifdef WITH_VOICEMAIL
>>      # serial forking
>>      # - route to voicemail on busy or no answer (timeout)
>>      if (t_check_status("486|408")) {
>>          $du = $null;
>>          route(TOVOICEMAIL);
>>          exit;
>>      }
>> #!endif
>> }
>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users



More information about the sr-users mailing list