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Make configuration as proxy, push, renew server
by James Chan 02 Feb '21

02 Feb '21

Hi We use a Cloud-based SIP-server that does not support the Push-Notifications Service. We try to use Kamailio as the front-end to work as a proxy and push-server. We need help configuring Kamailio as a proxy and push-server. In addition, we want to implement auto renew configuration as UAC using Kamailio. Because all clients need to renew registration our Cloud-SIP-server every 59 minutes. ( registration expires after 60 minutes) Summary: UAC -> Kamailio (proxy & push & auto renew) -> Cloud-SIP-Server -> UAC I have attached our config file and screens And if phone has multiple contacts, there is call bug, call will be drop since there are two incoming call #!KAMAILIO #!define WITH_DEBUG #!define WITH_MYSQL #!define WITH_AUTH #!define WITH_USRLOCDB #!define WITH_PRESENCE #!define WITH_ACCDB #james #!define WITH_UAC #!define WITH_TSILO # # Kamailio (OpenSER) SIP Server v5.3 - default configuration script # - web: https://www.kamailio.org # - git: https://github.com/kamailio/kamailio # # Direct your questions about this file to: <sr-users(a)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" ####### 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 FLB_NATB 6 #!define FLB_NATSIPPING 7 #!ifdef WITH_TSILO #!define FLB_TSILO 8 #!endif ####### Global Parameters ######### ### LOG Levels: 3=DBG, 2=INFO, 1=NOTICE, 0=WARN, -1=ERR #!ifdef WITH_DEBUG debug=4 log_stderror=yes #!else debug=2 log_stderror=no #!endif fork=yes memdbg=5 memlog=5 log_facility=LOG_LOCAL0 log_prefix="{$mt $hdr(CSeq) $ci} " /* number of SIP routing processes for each UDP socket * - value inherited by tcp_children and sctp_children when not set explicitely */ children=8 /* uncomment the next line to disable TCP (default on) */ # disable_tcp=yes /* number of SIP routing processes for all TCP/TLS sockets */ # tcp_children=8 /* 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:185.224.139.45:5060 /* 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 /* upper limit for TCP connections (it includes the TLS connections) */ tcp_max_connections=2048 #!ifdef WITH_TLS enable_tls=yes /* upper limit for TLS connections */ tls_max_connections=2048 #!endif ####### 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 = "" 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_UAC loadmodule "uac.so" #!endif #!ifdef WITH_TSILO loadmodule "tsilo.so" loadmodule "htable.so" loadmodule "cfgutils.so" loadmodule "http_client.so" #!endif #!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" #!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 # ----------------- 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") # ----- sanity params ----- modparam("sanity", "autodrop", 0) # ----- 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", 1) # do not append from tag to the RR (no need for this script) #!ifdef WITH_UAC modparam("rr", "append_fromtag", 1) #!else modparam("rr", "append_fromtag", 0) #!endif # ----- 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", 1) /* 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=$rd") #!endif # ----- usrloc params ----- /* enable DB persistency for location entries */ #!ifdef WITH_USRLOCDB modparam("usrloc", "db_url", DBURL) modparam("usrloc", "db_mode", 2) modparam("usrloc", "use_domain", MULTIDOMAIN) #!endif # ----- auth_db params ----- #!ifdef WITH_AUTH modparam("auth_db", "db_url", DBURL) modparam("auth_db", "calculate_ha1", yes) modparam("auth_db", "password_column", "password") modparam("auth_db", "load_credentials", "") modparam("auth_db", "use_domain", MULTIDOMAIN) # ----- permissions params ----- #!ifdef WITH_IPAUTH modparam("permissions", "db_url", DBURL) modparam("permissions", "db_mode", 1) #!endif #!endif # ----- alias_db params ----- #!ifdef WITH_ALIASDB modparam("alias_db", "db_url", DBURL) modparam("alias_db", "use_domain", MULTIDOMAIN) #!endif # ----- speeddial params ----- #!ifdef WITH_SPEEDDIAL modparam("speeddial", "db_url", DBURL) modparam("speeddial", "use_domain", MULTIDOMAIN) #!endif # ----- domain params ----- #!ifdef WITH_MULTIDOMAIN modparam("domain", "db_url", DBURL) /* register callback to match myself condition with domains list */ modparam("domain", "register_myself", 1) #!endif #!ifdef WITH_PRESENCE # ----- presence params ----- modparam("presence", "db_url", DBURL) # ----- presence_xml params ----- modparam("presence_xml", "db_url", DBURL) modparam("presence_xml", "force_active", 1) #!endif #!ifdef WITH_NAT # ----- rtpproxy params ----- modparam("rtpproxy", "rtpproxy_sock", "udp:127.0.0.1:7722") # ----- nathelper params ----- modparam("nathelper", "natping_interval", 30) modparam("nathelper", "ping_nated_only", 1) modparam("nathelper", "sipping_bflag", FLB_NATSIPPING) modparam("nathelper", "sipping_from", "sip:pinger@kamailio.org") # params needed for NAT traversal in other modules modparam("nathelper|registrar", "received_avp", "$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 #!ifdef WITH_UAC modparam("uac", "reg_contact_addr", "pn.telesonique.ch:5060;transport=udp") modparam("uac", "reg_db_url", DBURL) modparam("uac", "reg_timer_interval", 60) modparam("uac", "reg_retry_interval", 300) modparam("uac", "reg_db_table", "uacreg") #!endif #!ifdef WITH_TSILO modparam("htable", "htable", "vtp=>size=10;autoexpire=180") modparam("http_client", "httpcon", "pushapi=>https://www.myswissline.com") #!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 { # per request initial checks route(REQINIT); # NAT detection route(NATDETECT); # 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"); if (is_method("INVITE|SUBSCRIBE")) { record_route(); } # account only INVITEs if (is_method("INVITE")) { setflag(FLT_ACC); # do accounting } if (is_method("REGISTER")) { save("location", "0x06"); } # 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] { # 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"); } #james set_forward_no_connect(); if (!t_relay()) { sl_reply_error(); } #!ifdef WITH_TSILO else if(isflagset(FLB_TSILO)) { resetflag(FLB_TSILO); if (ts_store()) { $sht(tsilo=>stored::$rU) = 1; xdbg("stored transaction [$T(id_index):$T(id_label)] $fU => $rU\n"); } route(PUSH_NOTIF); } #!endif exit; } # Per SIP request initial checks route[REQINIT] { # no connect for sending replies #set_reply_no_connect(); #!ifdef WITH_ANTIFLOOD # flood detection from same IP and traffic ban for a while # be sure you exclude checking trusted peers, such as pstn gateways # - local host excluded (e.g., loop to self) if(src_ip!=myself) { if($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|sipvicious|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("17895", "7")) { xlog("Malformed SIP request 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 } save("location", "0x06"); switch($rc) { case -1: case -2: sl_reply_error(); break; #!ifdef WITH_TSILO case 1: $var(new_contact) = 1; #!endif } #!ifdef WITH_TSILO if ($var(new_contact)) route(WAKE_SUSPENDED); #!endif exit; } #!ifdef WITH_TSILO route[WAKE_SUSPENDED] { $var(suspended) = 0; lock("$tU"); $var(suspended) = $sht(tsilo=>suspended::$tU); $sht(tsilo=>suspended::$tU) = $null; $var(stored) = $sht(tsilo=>stored::$tU); unlock("$tU"); if ($var(suspended) == 0) { if ($var(stored)) { # no suspended INVITE (i.e. there was at least one # registered contact for target) and 'stored' set # (i.e. ongoing transaction) -> this newly just # registered contact needs alerting. ts_append("location", "$tu"); } return; } $var(id_index) = $(var(suspended){s.select,0,:}{s.int}); $var(id_label) = $(var(suspended){s.select,1,:}{s.int}); xdbg("resuming trasaction [$var(id_index):$var(id_label)] $tU .\n"); t_continue("$var(id_index)", "$var(id_label)", "RESUME"); } route[RESUME] { if(! lookup("location")) { xlog("failed to load just added destinations\n"); exit; } setflag(FLB_TSILO); route(RELAY); } #!endif # User location service route[LOCATION] { #!ifdef WITH_SPEEDDIAL # search for short dialing - 2-digit extension if($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) = $rc; #!ifdef WITH_TSILO send_reply("100", "Trying"); route(SUSPEND); route(PUSH_NOTIF); #!else route(TOVOICEMAIL); t_newtran(); switch ($var(rc)) { case -1: case -3: send_reply("404", "Not Found"); exit; case -2: send_reply("405", "Method Not Allowed"); exit; } #!endif } # when routing via usrloc, log the missed calls also if (is_method("INVITE")) { setflag(FLT_ACCMISSED); } #!ifdef WITH_TSILO setflag(FLB_TSILO); #!endif route(RELAY); exit; } #!ifdef WITH_TSILO route[SUSPEND] { if(! t_suspend()) { xlog("SUSPEND: failed to suspend transaction.\n"); # TODO: actually, the destination is not really checked: don't know if it's # own subscriber or invalid dialing in the first place. send_reply("503", "Temporarily unavailable"); exit; } $sht(tsilo=>suspended::$rU) = $_s($T(id_index):$T(id_label)); xdbg("suspended transaction [$T(id_index):$T(id_label)] $fU => $rU\n"); } route[PUSH_NOTIF] { xdbg("TODO: send push for $rU\n"); $var(res) = http_connect("pushapi", "/send_push.php?username=$tU&dev=1", "application/json", "", "$avp(gurka)"); xlog("L_INFO", "Push notification: $avp(gurka) Result code $var(res)\n"); if ($var(res)==200) { if ($var(gurka)=~"^.*rejected.*$") { sl_send_reply("503", "Not available right now"); } else { sl_send_reply("101", "Push Sent"); } } if ($var(res)==28) { xlog("L_INFO", "Push notification timed out. Do we care?"); } exit; } #!endif # 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_TSILO return; #!endif #!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] { #!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(); } } if(isbflagset(FLB_NATB)) { # no connect message in a dialog involving NAT traversal if (is_request()) { if(has_totag()) { set_forward_no_connect(); } } } #!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; 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}$")) return; # only local users allowed to call if(from_uri!=myself) { sl_send_reply("403", "Not Allowed"); exit; } # normalize target number for pstn gateway # - convert leading 00 to + if (starts_with("$rU", "00")) { strip(2); prefix("+"); } 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 reply_route { if(!sanity_check("17604", "6")) { xlog("Malformed SIP response from $si:$sp\n"); drop; } } # Manage incoming replies in transaction context 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 } [image: call_issue.png][image: register.png]

1 0

failover on SIP servers
by AL RSM 02 Feb '21

02 Feb '21

Hi, I was wondering what is the recommended approach to implement a failover on several destination SIP servers: 1) using DNS SRV records 2) using dispatcher list 3) combination of both. Thanks, AL

3 2

Acc module unable to insert cdr in mysql server
by M Arqum CH 01 Feb '21

01 Feb '21

Hello Members, Kamailio acc module is not inserting cdr into MySQL DB, sometimes it works and sometimes didn't, the number of parameters/values are similar in failed as well success scenario. I also check with tcpdump for MySQL requests, unfortunately, Kamailio didn't issue insert query toward DB server, so it is clear to me that the MySQL server is nothing to do with failed queries. Please guide me on what I should do to find and fix the issue. Kamailio Installed version : kamailio -v version: kamailio 5.4.1 (x86_64/linux) 2ca223 flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 2ca223 compiled on 12:51:24 Sep 21 2020 with gcc 6.3.0 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_logic.c:691]: tmcb_func(): acc callback called for t(0x7fe29b2a7870) event type 512, reply code 200 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_logic.c:413]: should_acc_reply(): probing acc state - code: 200 flags: 0x6 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_logic.c:446]: should_acc_reply(): acc is on Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 0 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 1 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 2 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 4 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 5 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 6 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 7 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 8 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 9 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 10 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 11 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 12 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 13 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 16 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 17 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 19 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 20 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 22 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 26 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 28 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 29 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 32 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 6, index i 33 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: tm [t_hooks.c:256]: run_trans_callbacks_internal(): DBG: trans=0x7fe29b2a7870, callback type 512, id 0 entered Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 0 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 1 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 2 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 3 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 4 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 5 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 8 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 9 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 11 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 12 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 14 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 18 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 20 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 21 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 24 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 25 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: ERROR: acc [acc_cdr.c:267]: db_write_cdr(): failed to insert into database Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 0 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 1 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 2 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 3 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 4 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 5 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 8 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 9 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 11 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 12 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 14 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 18 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 20 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 21 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 24 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: acc [acc_extra.h:63]: free_strar_mem(): Freeing memory, type is 2, message_index 3, index i 25 Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: ERROR: acc [acc_cdr.c:682]: cdr_on_end_confirmed(): failed to write cdr! Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103637]: DEBUG: tm [t_reply.c:1758]: cleanup_uac_timers(): RETR/FR timers reset Jan 28 13:38:29 /root/mykamailio/sbin/kamailio[103682]: DEBUG: tm [timer.c:634]: wait_handler(): finished transaction: 0x7fe29727ba88 (p:0x7fe294d27288/n:0x7fe294d27288) -- Regards M Arqum

2 2

UACREG to many Asterisk
by Javier Valencia 01 Feb '21

01 Feb '21

Hi there! Go ahead I apologize for my English. I have a Kamailio 5.4 with the DISPATCHER module and UAC enabled (for remote REGISTER), the DISPATCHER has several SETIDs, and they have one or more Asterisk balanced behind it. In Kamalio script, when an endpoint does REGISTER, I enable the REGISTER of the UAC module. And when it expires or expires=0 I disable the REGISTER in the UAC module. In the UACREG table in the database, L_UUID (unique key), L_USERNAME, R_USERNAME, and AUTH_USERNAME have the same value. For example CST100EXT100. Knowing that the DISPATCHER and UAC modules have no relationship, but that when a SETID has several balanced Asterisks, how can I make the UAC module send the REGISTER to all the Asterisks of a SETID? Clarifications; 1.- I cannot update the Asterisk, which are currently in version 11. They do not support PATH. 2.- I can modify the content of the UACREG table so that l_uuid has a suffix '_X'. 3.- Call jsonrpc_exec several times to enable the REGISTER in the UAC module. (diff emulated) < jsonrpc_exec ('{"id": 1, "jsonrpc": "2.0", "method": "uac.reg_enable", "params": ["l_uuid", "s: $ au"]}') ; > jsonrpc_exec ('{"id": 1, "jsonrpc": "2.0", "method": "uac.reg_enable", "params": ["l_uuid", "s: $ au_1"]}') ; > jsonrpc_exec ('{"id": 1, "jsonrpc": "2.0", "method": "uac.reg_enable", "params": ["l_uuid", "s: $ au_2"]}') ; > jsonrpc_exec ('{"id": 1, "jsonrpc": "2.0", "method": "uac.reg_enable", "params": ["l_uuid", "s: $ au_3"]}') ; But I want to know if there is any more elegant way to do this. Cheers, JV -- Logo <http://www.voiper.es/> Javier Valencia | CTO Centro de Negocios Martín Buendía Camino de las Cañadas, nº 1C, Portal 1, 2ºG 29649 Mijas (Málaga) # 951562080 (T) <tel:951562080> | 687486759 (M) <tel:687486759> # www.voiper.es <http://www.voiper.es/> ------------------------------------------------------------------------ AVISO LEGAL ----------- Este mensaje contiene información confidencial destinada para ser leída exclusivamente por el destinatario. Queda prohibida la reproducción, publicación, divulgación, total o parcial del mensaje así como el uso no autorizados por el emisor. En caso de recibir el mensaje por error, se ruega su comunicación al remitente lo antes posible. Por favor, indique inmediatamente si usted o su empresa no aceptan comunicaciones de este tipo por Internet. Las opiniones, conclusiones y demás información incluida en este mensaje que no esté relacionada con asuntos profesionales de SMART RECARGAS, S.L, se entenderá que nunca se ha dado, ni está respaldado por el mismo. Responsable del Tratamiento de Datos ------------------------------------ SMART RECARGAS , SL Camino de las Cañadas, 1C PORTAL 1 2º G 29651 MIJAS COSTA (MALAGA)

3 2

externally triggered message sending to specific clients
by Syed Shahryar 01 Feb '21

01 Feb '21

Is it possible to send arbitrary text messages triggered by an external application (evapi/http) to registered SIP clients via websocket? The following doesn't seem to do anything. KSR.corex.send_data("sip:user@example.com", "Message at $Ts"); -- -- This message contains confidential information and is intended only for the individual named. If you are not the named addressee, you should not disseminate, distribute or copy this email. Please notify the sender immediately by email if you have received this email by mistake and delete this email from your system. Email transmission cannot be guaranteed to be secure or error-free, as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender, therefore, does not accept liability for any errors or omissions in the contents of this message which arise as a result of email transmission. If verification is required, please request a hard-copy version.

2 1

about kamailio-sbc-teams tutorial
by Juha Heinanen 01 Feb '21

01 Feb '21

I read kamailio-sbc-teams tutorial https://skalatan.de/blog/kamailio-sbc-teams and it does not mention, which CA root certificates need to be included tls config ca_list so that Kamalio is able to verify sipX.pstnhub.microsoft.com server certificates. -- Juha

2 1

logging error events to database
by Sergiu Pojoga 30 Jan '21

30 Jan '21

Hi there, I was wondering if there's a way to log various core error events in some DB. For example, below error occurred Jan 29 11:43:56 kamailio[11076]: {1 11440 INVITE 28b653bd-8f62-4085-a5ef-f2a4ac0f393d } ERROR: <core> [core/parser/sdp/sdp_helpr_funcs.c:499]: extract_mediaip(): no `IP[4|6]' address in `c=' field Jan 29 11:43:56 kamailio[11076]: {1 11440 INVITE 28b653bd-8f62-4085-a5ef-f2a4ac0f393d } ERROR: <core> [core/parser/sdp/sdp.c:430]: parse_sdp_session(): can't extract common media IP from the message Thanks in advance. Regards, --Sergiu

4 5

Establish connection between MsTeams and Kamailio.
by Willy Valles Rios 30 Jan '21

30 Jan '21

Hello community, Please your support, I tell you that I am integrating Kamailio with MsTeams, after some time reviewing this, I finally achieved the connection from my Kamailio server to MsTeams and I can validate that the connection to MsTeams is in AP. [root @ kamailio-server kamailio] # kamcmd dispatcher.list | egrep "URI | FLAGS" URI: sip: sip.pstnhub.microsoft.com; transport = tls FLAGS: AP However, from the admin panel of MsTeams (Direct Routing) I see that the connection to my sbc "sbc.netvoiceperu.com" is with TLS connectivity status in "Active" but the SIP options status is in "Warning". I have made calls from MsTeams thinking that the SIP options status would change to "active" but it is still in "Warning" state. On the other hand, I have enabled a siptrace in Kamailio and verify that the SIP OPTIONS from kamailio are being sent in the following format to MsTeams. OPTIONS sip: sip.pstnhub.microsoft.com; transport = tls SIP / 2.0 Via: SIP / 2.0 / TLS 161.35.44.66:5061 ;branch=z9hG4bKea07.52224687000000000000000000000000.0 To: <sip: sip.pstnhub.microsoft.com; transport = tls> From: <sip: sbc.netvoiceperu.com>; tag = d3569c818b500aeb8c373426e76c2884-81763c71 CSeq: 10 OPTIONS Call-ID: 13ea237a751e0c48-9148(a)161.35.44.66 Max-Forwards: 70 Content-Length: 0 User-Agent: kamailio (5.4.0 (x86_64 / linux)) As you can see, the SIP OPTIONS sent from Kamailio to MsTeams does not contain the "Contact" field, which in theory said "Contact" field should have been added by Kamailio according to the configuration added in kamailio.cfg event_route [tm: local-request] { sip_trace (); if (is_method ("OPTIONS") && $ ru = ~ "pstnhub.microsoft.com") { append_hf ("Contact: <sip: sbc.netvoiceperu.com: 5061; transport = tls> \ r \ n"); } xlog ("L_INFO", "Sent out tm request: $ mb \ n"); } As additional information, I inform you that I also managed to observe the SIP OPTIONS that MsTeams sends to Kamailio. OPTIONS sip: sbc.netvoiceperu.com: 5061; transport = tls SIP / 2.0 FROM: <sip: sip-du-a-eu.pstnhub.microsoft.com: 5061>; tag = f1bdeb5f-662f-4544-a436-e9aa9ad78da4 TO: <sip: sbc.netvoiceperu.com> CSEQ: 1 OPTIONS CALL-ID: c47e2782-16c3-49cb-8931-24e9709d260a MAX-FORWARDS: 70 VIA: SIP / 2.0 / TLS 52.114.75.24:5061;branch=z9hG4bK48b0e6be CONTACT: <sip: sip-du-a-eu.pstnhub.microsoft.com: 5061> CONTENT-LENGTH: 0 USER-AGENT: Microsoft.PSTNHub.SIPProxy v.2021.1.15.7 i.EUWE.10 ALLOW: INVITE, ACK, OPTIONS, CANCEL, BYE, NOTIFY However I don't see the 200 OK SIP responses from Kamailio to MsTeams. I think this may be the reason why I see the SIP OPTIONS status in "Warning" from the MsTeams panel. Maybe the contact field is not being added in the SIP OPTIONS messages that Kamailio sends to MsTeams and for that reason I don't see 200OK responses from MsTeams. Could you help me solve this please. Cheers Saludos Cordiales -- *Willy Valles Rios* *Unified Communications Specialist* phone: +51955747343 em@il: willyvalles17(a)gmail.com

2 1

registering gsm gateway by siremis
by shashank shekhar 29 Jan '21

29 Jan '21

Hi, I want to register a gsm gateway on my kamailio server with siremis ...kindly guide me on this Thankyou Regards Shashank shekhar 9162735161

2 1

Kamailio as inbound and outbound proxy
by Michael Friesen 29 Jan '21

29 Jan '21

Hello, I am trying to configure Kamailio as both an inbound and outbound proxy. Inbound requests flow Sip Trunk -> Kamailio -> Asterisk. Outbound requests flow Asterisk -> Kamailio -> Sip Trunk. Inbound traffic is sent to port 5060 on kamailio which listens on the PRIVATE_IP:5060 and advertises PUBLIC_IP:5060. How can we ensure that when messages are sent to the Sip Trunk they have Record-Route headers with the PUBLIC_IP and when messages are sent to asterisk they have Record-Route headers with the PRIVATE_IP?

2 1

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