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@@ -99,61 +99,126 @@ make all
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“tcp_connection_lifetime”.
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Example 1.2. Edge Proxy Configuration
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-...
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-#!define FLOW_TIMER 20
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-...
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-tcp_connection_lifetime=FLOW_TIMER+10
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-...
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-loadmodule "websocket.so"
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+#!KAMAILIO
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+#
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+# Edge proxy configuration
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+#
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+
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+#!subst "/REGISTRAR_IP/192.168.122.3/"
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+#!subst "/REGISTRAR_PORT/5060/"
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+#!substdef "/FLOW_TIMER/20/"
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+
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+####### Global Parameters #########
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+
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+debug=2
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+log_stderror=no
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+log_facility=LOG_LOCAL0
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+fork=yes
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+children=4
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+alias="example.com"
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+mpath="/usr/lib64/kamailio/modules"
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+tcp_connection_lifetime=30 # FLOW_TIMER + 10
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+
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+
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+####### Modules Section ########
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+
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+loadmodule "tm.so"
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+loadmodule "sl.so"
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loadmodule "outbound.so"
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loadmodule "rr.so"
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loadmodule "path.so"
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-...
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-modparam("websocket", "keepalive_timeout", FLOW_TIMER+5)
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-...
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-route {
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- route(REQINIT);
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- ...
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- t_check_trans();
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+loadmodule "pv.so"
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+loadmodule "maxfwd.so"
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+loadmodule "xlog.so"
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+loadmodule "sanity.so"
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+loadmodule "ctl.so"
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+loadmodule "mi_rpc.so"
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+loadmodule "mi_fifo.so"
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+loadmodule "textops.so"
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+loadmodule "siputils.so"
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- if (is_method("INVITE|SUBSCRIBE")) {
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- record_route();
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+# ----------------- setting module-specific parameters ---------------
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- if ($rU==$null) {
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- sl_send_reply("484", "Address Incomplete");
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- exit;
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- }
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+# ----- mi_fifo params -----
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+modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")
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- if (!loose_route()) {
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- switch($rc) {
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- case -2:
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- # Flow-token has been tampered with
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- sl_send_reply("403", "Forbidden");
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- exit;
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- case -1:
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- # Handle -1 here if all dialog forming requests
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- # must be outbound routed
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- }
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+# ----- tm params -----
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+modparam("tm", "failure_reply_mode", 3)
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+
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+# ----- rr params -----
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+modparam("rr", "append_fromtag", 0)
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+
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+
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+####### Routing Logic ########
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+
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+request_route {
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+ route(REQINIT);
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+
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+ if (is_method("CANCEL")) {
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+ if (t_check_trans()) {
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+ route(RELAY);
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}
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+ exit;
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+ }
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- t_on_failure("FAIL_OUTBOUND");
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- route(RELAY);
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- } else if (is_method("REGISTER")) {
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+ route(WITHINDLG);
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+
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+ t_check_trans();
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+
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+ if (is_method("REGISTER")) {
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+ remove_hf("Route");
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add_path();
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- if (!t_relay("### Registrar ###")) {
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- sl_reply_error();
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+ $du = "sip:REGISTRAR_IP:REGISTRAR_PORT";
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+ } else {
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+ if (is_method("INVITE|SUBSCRIBE"))
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+ record_route();
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+
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+ if ($si == "REGISTRAR_IP" && $sp == "REGISTRAR_PORT") {
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+ if (!loose_route()) {
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+ switch($rc) {
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+ case -2:
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+ sl_send_reply("403", "Forbidden");
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+ exit;
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+ default:
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+ sl_reply_error();
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+ exit;
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+ }
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+ }
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+
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+ t_on_failure("FAIL_OUTBOUND");
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+ } else {
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+ if ($rU == $null) {
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+ sl_send_reply("484", "Address Incomplete");
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+ exit;
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+ }
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+ remove_hf("Route");
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+ $du = "sip:REGISTRAR_IP:REGISTRAR_PORT";
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}
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- exit;
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}
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+
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+ route(RELAY);
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}
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route[RELAY] {
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if (!t_relay()) {
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- sl_send_reply("430", "Flow Failed");
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+ sl_reply_error();
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}
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exit;
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}
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-...
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+
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+route[REQINIT] {
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+ if (!mf_process_maxfwd_header("10")) {
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+ sl_send_reply("483","Too Many Hops");
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+ exit;
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+ }
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+
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+ if(!sanity_check("1511", "7"))
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+ {
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+ xlog("Malformed SIP message from $si:$sp\n");
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+ exit;
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+ }
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+}
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+
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route[WITHINDLG] {
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if (has_totag()) {
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if (!loose_route()) {
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@@ -161,44 +226,44 @@ route[WITHINDLG] {
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case -2:
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sl_send_reply("403", "Forbidden");
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exit;
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- case -1:
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+ default:
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if (is_method("ACK")) {
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- if (t_check_trans()) {
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- t_relay();
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+ if ( t_check_trans() ) {
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+ route(RELAY);
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exit;
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} else {
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exit;
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}
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}
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- sl_send_reply("404", "Not Found");
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+ sl_send_reply("404","Not Found");
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}
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} else {
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+ if (is_method("NOTIFY")) {
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+ record_route();
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+ }
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route(RELAY);
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}
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exit;
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}
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}
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-...
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+
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onreply_route {
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if (!t_check_trans()) {
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drop;
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}
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- if ($rm == "REGISTER" && $rs >= 200 && $rs <= 299)
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- {
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+ if ($rm == "REGISTER" && $rs >= 200 && $rs <= 299) {
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+ remove_hf("Flow-Timer");
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if ($(hdr(Require)[*])=~"outbound")
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insert_hf("Flow-Timer: FLOW_TIMER\r\n", "Call-ID");
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}
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-
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-...
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}
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-failure_route[FAIL_OUTBOUND] {
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+failure_route[FAIL_OUTBOUND]{
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if (t_branch_timeout() || !t_branch_replied()) {
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send_reply("430", "Flow Failed");
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}
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}
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-...
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Example 1.3. Registrar Configuration
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...
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Peter Dunkley