[SR-Users] Kamailio presence

Bill bill at novatrope.us
Tue Aug 9 01:26:05 CEST 2016


Still having issues with presence. Now I notice that when the watcher 
phone signs on, it puts an entry in the active_watchers table. BUT this 
entry is deleted in about 15 seconds. Does anybody know if this is 
normal???? or what is causing it?

Bill



On 08/08/2016 12:12 PM, Bill wrote:
> As a followup to my earlier message, I have also found that the pua 
> table in my database is empty. Since I have pua activated and db_mode 
> set to 2 (see config file below), I don't understand why I am not 
> getting any entries in the pua table. And I wonder if this is related 
> to the lack of notify's that I am seeing. Anybody?
>
> On 08/06/2016 10:35 AM, Bill wrote:
>> We have tried all of your suggestions, but still not getting any 
>> light changes on the watcher.
>> The basic problem seems to be that the watched phone sends PUBLISH 
>> packets to the server, but the server does not send NOTIFY packets to 
>> the watcher phone.
>> We are seeing the following error in the logs every time the watched 
>> phone changes status:
>>
>> DEBUG: presence [notify.c:1263]: publ_notify(): Could not find 
>> subs_dialog
>>
>> We are running Kam 4.4.2
>>
>> If anybody has any ideas what could be causing this, let me know.
>>
>>
>> Thanks in advance, Bill
>>
>>
>>
>> For completeness, here is our config file:
>>
>> #!define WITH_MYSQL
>> #!define WITH_AUTH
>> #!define WITH_USRLOCDB
>> #define WITH_ANTIFLOOD
>> #!define WITH_PRESENCE
>> #!define WITH_VOICEMAIL
>> #!define WITH_DEBUG
>> #!define WITH_NAT
>> #!KAMAILIO
>> #
>> # Kamailio (OpenSER) SIP Server v4.4 - default configuration script
>> #     - web: http://www.kamailio.org
>> #     - git: http://sip-router.org
>> #
>> # Direct your questions about this file to: 
>> <sr-users at lists.sip-router.org>
>> #
>> # Refer to the Core CookBook at http://www.kamailio.org/wiki/
>> # for an explanation of possible statements, functions and parameters.
>> #
>> # 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 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"
>>
>> ####### 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:kam@@userrw@sql9.telopar.net/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=6
>> log_stderror=no
>> #!else
>> debug=-1
>> log_stderror=no
>> #!endif
>>
>> memdbg=5
>> memlog=5
>>
>> log_facility=LOG_LOCAL0
>>
>> # 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:<kamail;io server IP>:5020
>>
>> /* port to listen to */
>> #port=5060
>> #port=5020
>>
>> #!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 = "<asterisk server IP>" desc "VoiceMail IP Address"
>> voicemail.srv_port = "5060" desc "VoiceMail Port"
>> #!endif
>>
>> ####### Modules Section ########
>>
>> # set paths to location of modules (to sources or installation folders)
>> #!ifdef WITH_SRCPATH
>> mpath="modules/"
>> #!else
>> mpath="/usr/local/lib64/kamailio/modules/"
>> #!endif
>>
>> #!ifdef WITH_MYSQL
>> loadmodule "db_mysql.so"
>> #!endif
>>
>> loadmodule "mi_fifo.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 "mi_rpc.so"
>> loadmodule "acc.so"
>> loadmodule "exec.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
>>
>>
>>
>> # ----- 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)
>>
>> #!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
>> loadmodule "dialog.so"
>> #!ifdef WITH_PRESENCE
>>
>> loadmodule "presence.so"
>> loadmodule "presence_xml.so"
>> loadmodule "presence_mwi.so"
>> loadmodule "presence_dialoginfo.so"
>> #loadmodule "presence_reginfo"
>> loadmodule "pua.so"
>> #loadmodule "pua_usrloc.so"
>> loadmodule "pua_dialoginfo.so"
>>
>> #!endif
>> # ----------------- setting module-specific parameters ---------------
>>
>>
>> # ----- mi_fifo params -----
>> #modparam("mi_fifo", "fifo_name", "/var/run/kamailio/kamailio_fifo")
>>
>> # ----- ctl params -----
>> #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:<kamaiio server ip>:5020" )
>>
>> #modparam("presence", "timeout_rm_subs", 0)
>> #modparam("presence", "send_fast_notify", 1)
>> modparam("presence", "db_update_period", 20)
>> modparam("presence", "clean_period", 60)
>> modparam("presence", "subs_db_mode", 2)
>> #modparam("presence", "fetch_rows", 1000)
>> modparam("presence", "max_expires", 14430) # PortaOne max call time 
>> (4 hours) plus a little
>>
>> # ----- presence_xml params -----
>> modparam("presence_xml", "db_url", DBURL)
>> modparam("presence_xml", "force_active", 1)
>>
>>
>> # ----- presence_dialoginfo params -----
>> modparam("presence_dialoginfo", "force_single_dialog", 1)
>> #modparam("presence_dialoginfo", "force_dummy_dialog", 1)
>>
>> # ----- pua params -----
>> modparam("pua", "db_url", DBURL)
>> modparam("pua", "db_mode", 2)
>> modparam("pua", "db_table", "pua")
>> modparam("pua", "update_period", 20)
>> modparam("pua", "outbound_proxy", "<Kamailio server ip>:5020")
>> 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", 11420)
>> modparam("pua_dialoginfo", "callee_trying", 1)
>>
>> #!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:127.0.0.1:7722")
>>
>> # ----- 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")
>>
>> # 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", 20)
>> modparam("pike", "remove_latency", 1)
>>
>> # ----- 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("ENTER REQUEST ROUTE $rm -- $rb [$fu/$tu/$ru/$ci]\r\n\r\n");
>>
>>     # per request initial checks
>>     route(REQINIT);
>>
>>     # NAT detection
>>     route(NATDETECT);
>>
>>     # CANCEL processing
>>     if (is_method("CANCEL")) {
>>         if (t_check_trans()) {
>>             route(RELAY);
>>         }
>>         exit;
>>     }
>>
>>     # handle requests within SIP dialogs
>>     route(WITHINDLG);
>>
>>     ### only initial requests (no To tag)
>>
>>     # handle retransmissions
>>     if(t_precheck_trans()) {
>>         t_check_trans();
>>         exit;
>>     }
>>     t_check_trans();
>>
>>     # authentication
>>     if (registered("location")) {
>>         xlog("AUTH IS REGISTER (IP:$si:$sp) $fu");
>>
>>     } else {
>>         xlog("AUTH NOT REGISTER (IP:$si:$sp) $fu");
>>     };
>>         route(AUTH);
>>     # account only INVITEs
>>     if (is_method("INVITE")  ) {
>>         setflag(FLT_ACC); # do accounting
>>         xlog("ALL INVITES COME THROUGH HERE [$tU](IP:$si:$sp) 
>> $fu\r\n\r\n");
>>
>>             if ($tU =~ 'NL'  ){
>>                 xlog("FOUND NL IN INVITE [$tu](IP:$si:$sp) $fu\r\n\r\n");
>>
>>                 $avp(newtU) = $(tU{s.substr,2,0});
>>                 xlog("THE NEW TU =  [$avp(newtU)]\r\n");
>>                 $rU =$avp(newtU);
>>
>>             }
>>
>>
>>     }
>>
>>     #if (is_method("REGISTER")) {
>>     #    xlog("AUTH UNREGISTER (IP:$si:$sp) $fu");
>>     #}
>>     # record routing for dialog forming requests (in case they are 
>> routed)
>>     # - remove preloaded route headers
>>     remove_hf("Route");
>>     if (is_method("INVITE|SUBSCRIBE")) {
>>         xlog("SUBSCRIBE OR INVITE RECEIVED [$rm -- $tu]\n\r");
>>         #if($rm == "SUBSCRIBE"){
>>             #xlog("CHECKING MB STATE FOR NEW USER $tU");
>>             #exec_avp("/home/xantek/mwi_initial.php $tU");
>>         #}
>>         record_route();
>>     }
>>
>>
>>
>>
>>     # dispatch requests to foreign domains
>>     route(SIPOUT);
>>
>>     ### requests for my local domains
>>
>>     # handle presence related requests
>>     route(PRESENCE);
>>
>>     # handle registrations
>>
>>     route(REGISTRAR);
>>
>>     if ($rU==$null) {
>>         # request with no Username in RURI
>>         sl_send_reply("484","Address Incomplete");
>>         exit;
>>     }
>>
>>     # dispatch destinations to PSTN
>>     #route(PSTN);
>>
>>     # user location service
>>     route(LOCATION);
>> }
>>
>> # Wrapper for relaying requests
>> route[RELAY] {
>>     xlog("ROUTE RELAY [$ru] $rm\r\n\r\n");
>>     # 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")) {
>>         xlog("DIALOG $rm");
>>         setflag(FLT_DLGINFO);
>>         dlg_manage();
>>     }
>>
>>     if (!t_relay()) {
>>         sl_reply_error();
>>     }
>>     exit;
>> }
>>
>> # Per SIP request initial checks
>> route[REQINIT] {
>>
>> #!ifdef WITH_ANTIFLOOD
>>     # flood detection from same IP and traffic ban for a while
>>     # be sure you exclude checking trusted peers, such as pstn gateways
>>     # - local host excluded (e.g., loop to self)
>>     if(src_ip!=myself) {
>>         if($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;
>>         }
>>     }
>>     if($ua =~ "friendly-scanner|sipcli") {
>>         # silent drop for scanners - uncomment next line if want to reply
>>         # sl_send_reply("200", "OK");
>>         exit;
>>     }
>> #!endif
>>
>>     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] {
>>     xlog("WITHINDLG $rm");
>>     if (!has_totag()) return;
>>
>>     # sequential request withing a dialog should
>>     # take the path determined by record-routing
>>     if (loose_route()) {
>>         route(DLGURI);
>>         if (is_method("BYE")) {
>>             setflag(FLT_ACC); # do accounting ...
>>             setflag(FLT_ACCFAILED); # ... even if the transaction fails
>>         } else if ( is_method("ACK") ) {
>>             # ACK is forwarded statelessy
>>             route(NATMANAGE);
>>         } else if ( is_method("NOTIFY")  ) {
>>             xlog("FOUND NOTIFY [$tu](IP:$si:$sp) $fu\r\n\r\n");
>>             # Add Record-Route for in-dialog NOTIFY as per RFC 6665.
>>             record_route();
>>         }
>>         route(RELAY);
>>         exit;
>>     }
>>
>>     if (is_method("SUBSCRIBE") && uri == myself) {
>>         # in-dialog subscribe requests
>>         route(PRESENCE);
>>         exit;
>>     }
>>     if ( is_method("ACK") ) {
>>         if ( t_check_trans() ) {
>>             # no loose-route, but stateful ACK;
>>             # must be an ACK after a 487
>>             # or e.g. 404 from upstream server
>>             route(RELAY);
>>             exit;
>>         } else {
>>             # ACK without matching transaction ... ignore and discard
>>             exit;
>>         }
>>     }
>>     sl_send_reply("404","Not here");
>>     exit;
>> }
>>
>> # Handle SIP registrations
>> route[REGISTRAR] {
>>     if (!is_method("REGISTER")) return;
>>
>>     xlog("REGISTER1 [$fu/$tu/$ru/$ci]");
>>     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] {
>> xlog("CHECKING LOCATION $rm [$fu/$tu/$ru/$ci]");
>> #!ifdef WITH_SPEEDDIAL
>>     # search for short dialing - 2-digit extension
>>     if($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] {
>>     xlog("SUBSCRIBE ENTERING PRESENCE $rm $hdr(Event)");
>>     if(!is_method("PUBLISH|SUBSCRIBE")) return;
>>
>>     if(is_method("SUBSCRIBE") && $hdr(Event)=="message-summary") {
>>         route(TOVOICEMAIL);
>>         xlog("MESSAGE RESULT [$fu/$tu/$ru/$ci]\r\n\r\n");
>>         # returns here if no voicemail server is configured
>>         sl_send_reply("404", "No voicemail service");
>>         exit;
>>     }
>>
>> #!ifdef WITH_PRESENCE
>>     xlog("SUBSCRIBE IN PRESENCE $rm");
>>     if (!t_newtran()) {
>>         sl_reply_error();
>>         exit;
>>     }
>>     xlog("SUBSCRIBE2 IN PRESENCE $rm");
>>     if(is_method("PUBLISH")) {
>>         xlog("PUBLISH, NOT SUBSCRIBE [$fu/$tu/$ru/$ci] 
>> $hdr(Sender)\r\n\r\n");
>>         #exec_avp("/home/xantek/kamailio_test.php", "$avp(s:test)");
>>         #xlog("TEST RESULT [$avp(s:test)][$fu/$tu/$ru/$ci]\r\n\r\n");
>>
>>         handle_publish();
>>         t_release();
>>     } else if(is_method("SUBSCRIBE")) {
>>         xlog("HANDLE SUBSCRIBE");
>>
>>         xlog("SUBSCRIBE RESULT [$avp(s:test)][$fu/$tu/$ru/$ci]\r\n\r\n");
>>         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
>>         #$var(auth_code) = auth_check("$fd", "subscriber", "1");
>>         #if ($var(auth_code) == -2) {xlog("AUTH BAD PASSWORD 
>> (IP:$si:$sp) $fu\r\n\r\n");}
>>         #if ($var(auth_code) == -3) {xlog("AUTH NO SUCH USER 
>> (IP:$si:$sp) $fu\r\n\r\n");}
>>         #if ($var(auth_code) == -5) {
>>         #    xlog("VALID REGISTRATION (IP:$si:$sp) $tU\r\n\r\n");
>>     #
>>         #    exec_avp("/home/xantek/mwi_initial.php $tU");
>>         #}
>>     #    xlog("AUTH $var(auth_code) $fu (IP:$si:$sp)\r\n\r\n");
>>         if (!auth_check("$fd", "subscriber", "1")) {
>>             auth_challenge("$fd", "0");
>>             xlog("REGISTERUSER $fu (IP:$si:$sp)\r\n\r\n");
>>             exit;
>>         } else {
>>             xlog("REGISTERUSER NO AUTH CHECK");
>>         }
>>         $var(auth_code) = auth_check("$fd", "subscriber", "1");
>>         xlog("REGISTERUSER AUTH CODE = $var(auth_code)");
>>         if ($var(auth_code) == -2) {xlog("AUTH BAD PASSWORD 
>> (IP:$si:$sp) $fu\r\n\r\n");}
>>         if ($var(auth_code) == -3) {xlog("AUTH NO SUCH USER 
>> (IP:$si:$sp) $fu\r\n\r\n");}
>>
>>         # user authenticated - remove auth header
>>
>>         if(!is_method("REGISTER|PUBLISH"))
>>             xlog("REGISTERUSER CONSUME $fu IP:$si\r\n\r\n");
>>             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;
>>     }
>>
>> #!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] {
>> #!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("cor");
>>     }
>>
>>     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
>> route[SIPOUT] {
>>     if (uri==myself) return;
>>     xlog("SIPOUT $du\r\n\r\n");
>>     append_hf("P-hint: outbound\r\n");
>>     route(RELAY);
>>     exit;
>> }
>>
>> # PSTN GW routing
>> route[PSTN] {
>> #!ifdef WITH_PSTN
>>     # check if PSTN GW IP is defined
>>     if (strempty($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;
>>         xlog("READY TO ROUTE to $rU");
>>         $ru = "sip:" + $rU + "@" + $sel(cfg_get.voicemail.srv_ip)
>>                 + ":" + $sel(cfg_get.voicemail.srv_port);
>>         xlog("READY TO ROUTE to $ru");
>>     }
>>
>>     route(RELAY);
>>     exit;
>> #!endif
>>
>>     return;
>> }
>>
>> # Manage outgoing branches
>> branch_route[MANAGE_BRANCH] {
>>     xdbg("new branch [$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_VOICEMAIL
>>     # serial forking
>>     # - route to voicemail on busy or no answer (timeout)
>>     if (t_check_status("486|408")) {
>>         $du = $null;
>>         route(TOVOICEMAIL);
>>         exit;
>>     }
>> #!endif
>> }
>>
>>
>>
>>
>> On 08/02/2016 02:59 AM, Phil Lavin wrote:
>>> This works fine. On the T41P I went to the DSSKey tab, configured Line Key4 as follows:
>>>
>>> :: Type: BLF
>>> :: Value:44123456789 at kamailio.domain.com
>>> :: Label: Name of the user
>>> :: Line 1
>>>
>>> The value has 2 parts:
>>>
>>> :: The phone number of the user to whom we are subscribing
>>> :: The domain name that this user registers to. This bit is important in Kamailio. If you want BLF, all UAs need to use the same domain name
>>>
>>> The line should be the line that is registered to the server you are subscribing too.
>>>
>>> It should be noted that we are running a forked/patched version of Kamailio 4.3.4. The relevant git commits are:
>>>
>>> :: 2e99fe0
>>> :: 56f3e25
>>> :: b2843e5
>>> :: a9ece27
>>> :: d97f47c
>>> :: fb2ede3
>>> :: feef158
>>> :: 19fce63
>>> :: b5f9fb1
>>>
>>> I think all but the last 4 are in 4.4. The last 4 are on Github as pull requests into master. Daniel is going to review when he has time... but we've been running in production for around a week now with no issues.
>>>
>>> We're also running a fairly carefully crafted config to work around a number of other bugs with pua/presence which we didn't have the time to find a proper code solution for. Config is below:
>>>
>>> phil at ua-proxy-dev:~$ grep 'pua\|presence' /etc/kamailio/kamailio.cfg
>>> loadmodule "presence.so"
>>> loadmodule "presence_xml.so"
>>> loadmodule "presence_mwi.so"
>>> loadmodule "presence_dialoginfo.so"
>>> loadmodule "pua.so"
>>> loadmodule "pua_dialoginfo.so"
>>> # ----- presence params -----
>>> modparam("presence", "db_url", DBURL)
>>> modparam("presence", "db_update_period", 20)
>>> modparam("presence", "clean_period", 60)
>>> modparam("presence", "local_log_facility", "LOG_LOCAL3")
>>> modparam("presence", "max_expires", 14430) # PortaOne max call time (4 hours) plus a little
>>> # ----- presence_xml params -----
>>> modparam("presence_xml", "db_url", DBURL)
>>> modparam("presence_xml", "force_active", 1)
>>> # ----- pua params -----
>>> modparam("pua", "db_url", DBURL)
>>> modparam("pua", "db_mode", 0) # Memory only. Required due to the "multiple states for a single dialog" bug
>>> modparam("pua", "update_period", 20)
>>> modparam("pua", "outbound_proxy", MY_SIP_URL)
>>> # ----- pua_dialoginfo params -----
>>> modparam("pua_dialoginfo", "send_publish_flag", FLT_DLGINFO)
>>> modparam("pua_dialoginfo", "override_lifetime", 14420) # PortaOne max call time (4 hours) plus a little
>>> modparam("pua_dialoginfo", "callee_trying", 1) # Implemented by Phil - submitted upstream to v4.4
>>>
>>> pua db_mode can probably be changed to 2 following the recent fixes that are awaiting pull request review. We haven't tested this yet, though.
>>>
>>>
>>> Cheers
>>>
>>> Phil Lavin
>>> Telecoms Systems Manager
>>> CloudCall
>>> www.cloudcall.com
>>>
>>> T: +44 (0) 330 335 0000 / +1 617 982 1600
>>> D: +44 (0) 116 424 4790 / +1 716 242 6604
>>> SM: LinkedIn
>>> READ OUR BLOG FOR SMARTER COMMUNICATIONS
>>>
>>> Confidentiality: This e-mail transmission, including any attachments, is intended only for the named recipient(s) and may contain information that is privileged, confidential and/or exempt from disclosure under applicable law. If you have received this transmission in error, or are not the named recipient(s), please notify the sender immediately by return e-mail and permanently delete this transmission, including any attachments.
>>> Security: This e-mail and any attachments are believed to be free from any virus but it is the responsibility of the recipient to ensure this is so. E-mail is not a 100% secure communication.
>>>
>>> -----Original Message-----
>>> From: Phil Lavin
>>> Sent: 02 August 2016 10:29
>>> To: Kamailio (SER) - Users Mailing List<sr-users at lists.sip-router.org>
>>> Subject: RE: [SR-Users] Kamailio presence
>>>
>>> I've done quite a bit with Kamailio BLF recently. I have a Yealink T41P on my desk here - I'll give it a whirl.
>>>
>>>
>>> -----Original Message-----
>>> From: Phil Lavin
>>> Sent: 02 August 2016 10:26
>>> To: Kamailio (SER) - Users Mailing List<sr-users at lists.sip-router.org>
>>> Subject: RE: [SR-Users] Kamailio presence
>>>
>>> I've done quite a bit with Kamailio BLF recently. I have a Yealink T41P on my desk here - I'll give it a whirl.
>>>
>>>
>>> -----Original Message-----
>>> From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Bill
>>> Sent: 02 August 2016 01:07
>>> To:sr-users at lists.sip-router.org
>>> Subject: [SR-Users] Kamailio presence
>>>
>>>
>>>
>>> I have asked this question before, but never really got an answer:
>>>
>>> Has anybody been able to get BLF working with Yealink phones.
>>>
>>>
>>> Bill
>>>
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.org  http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>> _______________________________________________
>>> 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
>>
>>
>>
>> _______________________________________________
>> 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
>

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