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- 200 OK response
- .........................................
- kvE@.H|k
- SIP/2.0 200 OK
- To: <sip:4803513158@54.69.159.69>;tag=52642973_6772d868_f5ff7ec8-2860-4963-894d-4686de291299
- Via: SIP/2.0/UDP 54.69.159.69:5060;branch=z9hG4bKcdde.3a10daa4c4dfb45218165e7003bc1925.0
- Via: SIP/2.0/UDP 64.2.142.90;branch=z9hG4bKcdde.0da1e6a5.0
- Via: SIP/2.0/UDP 64.2.142.153:5060;received=64.2.142.153;branch=z9hG4bK0c18e9b5;rport=5060
- Record-Route: <sip:107.21.211.20:5060;lr;ftag=as0b111d7b>
- Record-Route: <sip:54.69.159.69:5060;lr=on>
- Record-Route: <sip:64.2.142.90;lr=on>
- CSeq: 102 INVITE
- Call-ID: 3e944c2d4543707439a08bd63612841f@64.2.142.153
- From: "+14088271419" <sip:4088271419@64.2.142.153>;tag=as0b111d7b
- Contact: <sip:10.108.170.11:5060>
- Content-Type: application/sdp
- X-Twilio-CallSid: CA2d519006d553f3acf89f1dd2fef77cc3
- Content-Length: 247
- v=0
- o=- 1132985615 1132985615 IN IP4 54.82.64.195
- s=session
- c=IN IP4 54.82.64.195
- t=0 0
- m=audio 13800 RTP/AVP 0 101
- a=rtpmap:0 PCMU/8000
- a=rtpmap:101 telephone-event/8000
- a=fmtp:101 0-16
- a=silenceSupp:off - - - -
- a=ptime:20
- a=sendrecv
- ACK forwarded to twilio
- ................................
- E@d
- kCACK sip:107.21.211.20:5060;lr;ftag=as0b111d7b SIP/2.0
- Via: SIP/2.0/UDP 54.69.159.69:5060;branch=z9hG4bKcdde.95210bf832aa38aeeccc727ba583b66f.0
- Via: SIP/2.0/UDP 54.69.159.69:5060;branch=z9hG4bKcdde.0a606545da03734a8b332edc9b21079f.0
- Via: SIP/2.0/UDP 64.2.142.90;branch=z9hG4bKcdde.0da1e6a5.2
- Via: SIP/2.0/UDP 64.2.142.153:5060;received=64.2.142.153;branch=z9hG4bK32a73a53;rport=5060
- From: "+14088271419" <sip:4088271419@64.2.142.153>;tag=as0b111d7b
- To: <sip:4803513158@64.2.142.90:5060>;tag=52642973_6772d868_f5ff7ec8-2860-4963-894d-4686de291299
- Contact: <sip:4088271419@64.2.142.153>
- Call-ID: 3e944c2d4543707439a08bd63612841f@64.2.142.153
- CSeq: 102 ACK
- User-Agent: packetrino
- Max-Forwards: 67
- Content-Length: 0
- this is my config file.(ip and account names are changed)
- .............................................................
- #!KAMAILIO
- #
- # sample config file for dispatcher module
- # - load balancing of VoIP calls with round robin
- # - no TPC listening
- # - don't dispatch REGISTER and presence requests
- # Direct your questions about this file to: sr-users@lists.sip-router.org
- #
- #
- # *** To run in debug mode:
- # - define WITH_DEBUG
- #
- #!ifndef DBURL
- #!define DBURL "mysql://kamailio:kamailiorw@localhost/kamailio"
- #!endif
- ####### Global Parameters #########
- #!ifdef WITH_DEBUG
- debug=4
- log_stderror=yes
- #!else
- debug=2
- log_stderror=no
- #!endif
- memdbg=5
- memlog=5
- log_facility=LOG_LOCAL0
- fork=yes
- children=4
- /* comment the next line to enable TCP */
- disable_tcp=yes
- /* uncomment the next line to disable the auto discovery of local aliases
- based on revers DNS on IPs (default on) */
- auto_aliases=no
- /* add local domain aliases */
- alias="54.69.159.69"
- port=5060
- /* 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:172.31.22.10:5060 advertise 54.69.159.69:5060
- #advertised_address="54.69.159.69"
- #advertised_port=5060
- sip_warning=no
- ####### Modules Section ########
- #set module path
- mpath="/usr/local/lib64/kamailio/modules_k/:/usr/local/lib64/kamailio/modules/"
- loadmodule "db_mysql.so"
- loadmodule "mi_fifo.so"
- loadmodule "kex.so"
- loadmodule "tm.so"
- loadmodule "tmx.so"
- loadmodule "sl.so"
- loadmodule "rr.so"
- loadmodule "pv.so"
- loadmodule "maxfwd.so"
- loadmodule "textops.so"
- loadmodule "siputils.so"
- loadmodule "xlog.so"
- loadmodule "sanity.so"
- loadmodule "ctl.so"
- loadmodule "mi_rpc.so"
- loadmodule "acc.so"
- loadmodule "dispatcher.so"
- loadmodule "pdt.so"
- loadmodule "nathelper.so"
- loadmodule "avpops.so"
- loadmodule "htable.so"
- # ----------------- setting module-specific parameters ---------------
- # ----- mi_fifo params -----
- modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")
- # ----- rr params -----
- # add value to ;lr param to cope with most of the UAs
- modparam("rr", "enable_full_lr", 1)
- # do not append from tag to the RR (no need for this script)
- modparam("rr", "append_fromtag", 0)
- # ----- acc params -----
- modparam("acc", "log_flag", 1)
- modparam("acc", "failed_transaction_flag", 3)
- modparam("acc", "log_extra",
- "src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd;src_ip=$si")
- # ----- tm params -----
- modparam("tm", "fr_timer", 2000)
- modparam("tm", "fr_inv_timer", 40000)
- # ----- dispatcher params -----
- modparam("dispatcher", "db_url", DBURL)
- modparam("dispatcher", "table_name", "dispatcher")
- modparam("dispatcher", "flags_col", "flags")
- modparam("dispatcher", "priority_col", "priority")
- modparam("dispatcher", "dst_avp", "$avp(AVP_DST)")
- modparam("dispatcher", "grp_avp", "$avp(AVP_GRP)")
- modparam("dispatcher", "cnt_avp", "$avp(AVP_CNT)")
- modparam("dispatcher", "force_dst", 1)
- #-------pdt--------------
- modparam("pdt", "db_table", "pdt")
- modparam("pdt", "domain_column", "sdomain")
- modparam("pdt", "prefix_column", "prefix")
- modparam("pdt", "domain_column", "domain")
- #-----------------nat-----------
- modparam("nathelper", "natping_interval", 0)
- modparam("nathelper", "ping_nated_only", 0)
- #modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)
- modparam("nathelper", "sipping_from", "sip:172.31.22.10:5060")
- #-----------acc------------
- modparam("acc", "report_ack", 1)
- ####### Routing Logic ########
- # main request routing logic
- route {
- # per request initial checks
- route(REQINIT);
- # handle requests within SIP dialogs
- route(WITHINDLG);
- ### only initial requests (no To tag)
- # CANCEL processing
- if (is_method("CANCEL"))
- {
- if (t_check_trans())
- t_relay();
- exit;
- }
- t_check_trans();
- # record routing for dialog forming requests (in case they are routed)
- # - remove preloaded route headers
- remove_hf("Route");
- if (is_method("INVITE|SUBSCRIBE"))
- #add_rr_param(";nat=yes");
- record_route_advertised_address("54.69.159.69:5060");
- #record_route();
- # account only INVITEs
- if (is_method("INVITE"))
- {
- setflag(1); # do accounting
- }
- # handle presence related requests
- route(PRESENCE);
- # handle registrations
- route(REGISTRAR);
- if ($rU==$null)
- {
- # request with no Username in RURI
- sl_send_reply("484","Address Incomplete");
- exit;
- }
- # dispatch destinations
- route(DISPATCH);
- }
- route[RELAY] {
- if (!t_relay()) {
- sl_reply_error();
- }
- exit;
- }
- # Per SIP request initial checks
- route[REQINIT] {
- if (!mf_process_maxfwd_header("10")) {
- sl_send_reply("483","Too Many Hops");
- exit;
- }
- if(!sanity_check("1511", "7"))
- {
- xlog("Malformed SIP message from $si:$sp\n");
- exit;
- }
- }
- # Handle requests within SIP dialogs
- route[WITHINDLG] {
- t_check_trans();
- if (has_totag()) {
- # sequential request withing a dialog should
- # take the path determined by record-routing
- if (loose_route()) {
- if (is_method("BYE")) {
- setflag(1); # do accounting ...
- setflag(3); # ... even if the transaction fails
- }
- route(RELAY);
- } else {
- if (is_method("SUBSCRIBE") && uri == myself) {
- # in-dialog subscribe requests
- route(PRESENCE);
- exit;
- }
- if ( is_method("ACK") ) {
- if ( t_check_trans() ) {
- # non loose-route, but stateful ACK;
- # must be ACK after a 487 or e.g. 404 from upstream server
- t_relay();
- exit;
- } else {
- # ACK without matching transaction ... ignore and discard.
- exit;
- }
- }
- sl_send_reply("404","Not here");
- }
- exit;
- }
- }
- # Handle SIP registrations
- route[REGISTRAR] {
- if(!is_method("REGISTER"))
- return;
- sl_send_reply("404", "No registrar");
- exit;
- }
- # Presence server route
- route[PRESENCE] {
- if(!is_method("PUBLISH|SUBSCRIBE"))
- return;
- sl_send_reply("404", "Not here");
- exit;
- }
- # Dispatch requests
- route[DISPATCH] {
- if(prefix2domain("2", "0")) {
- $ru = "sip:" + $rU + "@" + $rd;
- t_relay();
- exit;
- }
- # round robin dispatching on gateways group '1'
- if(!ds_select_dst("1", "4"))
- {
- send_reply("404", "No destination");
- exit;
- }
- xlog("L_DBG", "--- SCRIPT: going to <$ru> via <$du>\n");
- t_on_failure("RTF_DISPATCH");
- route(RELAY);
- exit;
- }
- # Sample failure route
- failure_route[RTF_DISPATCH] {
- if (t_is_canceled()) {
- exit;
- }
- # next DST - only for 500 or local timeout
- if (t_check_status("500")
- or (t_branch_timeout() and !t_branch_replied()))
- {
- if(ds_next_dst())
- {
- t_on_failure("RTF_DISPATCH");
- route(RELAY);
- exit;
- }
- }
- }
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