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<div dir="auto">route{
<div dir="auto">        if (!mf_process_maxfwd_header(10)) {</div>
<div dir="auto">                sl_send_reply(483,"Too Many Hops");</div>
<div dir="auto">                exit;</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        if (has_totag()) {</div>
<div dir="auto">                # sequential requests within a dialog should</div>
<div dir="auto">                # take the path determined by record-routing</div>
<div dir="auto">                if (loose_route()) {</div>
<div dir="auto"><br>
</div>
<div dir="auto">                        if (is_method("BYE")) {</div>
<div dir="auto">                                # do accunting, even if the transaction fails</div>
<div dir="auto">                                do_accounting("log","failed");</div>
<div dir="auto">                        } else if (is_method("INVITE")) {</div>
<div dir="auto">                                # even if in most of the cases is useless, do RR for</div>
<div dir="auto">                                # re-INVITEs alos, as some buggy clients do change route set</div>
<div dir="auto">                                # during the dialog.</div>
<div dir="auto">                                record_route();</div>
<div dir="auto">                        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">                        # route it out to whatever destination was set by loose_route()</div>
<div dir="auto">                        # in $du (destination URI).</div>
<div dir="auto">                        route(relay);</div>
<div dir="auto">                } else {</div>
<div dir="auto"><br>
</div>
<div dir="auto">                        if ( is_method("ACK") ) {</div>
<div dir="auto">                                if ( t_check_trans() ) {</div>
<div dir="auto">                                        # non loose-route, but stateful ACK; must be an ACK after</div>
<div dir="auto">                                        # a 487 or e.g. 404 from upstream server</div>
<div dir="auto">                                        t_relay();</div>
<div dir="auto">                                        exit;</div>
<div dir="auto">                                } else {</div>
<div dir="auto">                                        # ACK without matching transaction -></div>
<div dir="auto">                                        # ignore and discard</div>
<div dir="auto">                                        exit;</div>
<div dir="auto">                                }</div>
<div dir="auto">                        }</div>
<div dir="auto">                        sl_send_reply(404,"Not here");</div>
<div dir="auto">                }</div>
<div dir="auto">                        exit;</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        # CANCEL processing</div>
<div dir="auto">        if (is_method("CANCEL"))</div>
<div dir="auto">        {</div>
<div dir="auto">                if (t_check_trans())</div>
<div dir="auto">                        t_relay();</div>
<div dir="auto">                exit;</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        t_check_trans();</div>
<div dir="auto"><br>
</div>
<div dir="auto">        if (is_method("REGISTER")) {</div>
<div dir="auto">                mid_registrar_save("location");</div>
<div dir="auto">                switch ($retcode) {</div>
<div dir="auto">                case 1:</div>
<div dir="auto">                        xlog("forwarding REGISTER to main registrar ($$ci=$ci)\n");</div>
<div dir="auto">                        fix_nated_contact();</div>
<div dir="auto">                        add_path_received();</div>
<div dir="auto">                        $ru = "sip:bp214.erss.in:443;transport=wss;";</div>
<div dir="auto">                        t_relay();</div>
<div dir="auto">                        break;</div>
<div dir="auto">                case 2:</div>
<div dir="auto">                        xlog("absorbing REGISTER! ($$ci=$ci)\n");</div>
<div dir="auto">                        break;</div>
<div dir="auto">                default:</div>
<div dir="auto">                        xlog("failed to save registration! ($$ci=$ci)\n");</div>
<div dir="auto">                }</div>
<div dir="auto"><br>
</div>
<div dir="auto">                exit;</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        # preloaded route checking</div>
<div dir="auto">        if (loose_route()) {</div>
<div dir="auto">                xlog("L_ERR",</div>
<div dir="auto">                "Attempt to route with preloaded Route's [$fu/$tu/$ru/$ci]");</div>
<div dir="auto">                if (!is_method("ACK"))</div>
<div dir="auto">                        sl_send_reply(403,"Preload Route denied");</div>
<div dir="auto">                exit;</div>
<div dir="auto">        }</div>
<div dir="auto"># record routing</div>
<div dir="auto">        if (!is_method("REGISTER|MESSAGE"))</div>
<div dir="auto">                record_route();</div>
<div dir="auto"><br>
</div>
<div dir="auto">        # account only INVITEs</div>
<div dir="auto">        if (is_method("INVITE")) {</div>
<div dir="auto">                #sethostport("10.214.0.18:443");</div>
<div dir="auto">                do_accounting("log");</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        if (!is_myself("$ru")) {</div>
<div dir="auto">                append_hf("P-hint: outbound\r\n");</div>
<div dir="auto">                route(relay);</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        # requests for my domain</div>
<div dir="auto">        if (is_method("PUBLISH|SUBSCRIBE"))</div>
<div dir="auto">        {</div>
<div dir="auto">                sl_send_reply(503, "Service Unavailable");</div>
<div dir="auto">                exit;</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        if ($rU==NULL) {</div>
<div dir="auto">                # request with no Username in RURI</div>
<div dir="auto">                sl_send_reply(484,"Address Incomplete");</div>
<div dir="auto">                exit;</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        # initial requests from main registrar, need to look them up!</div>
<div dir="auto">        if (is_method("INVITE|MESSAGE") && $si == "10.214.0.18" && $sp == 443) {</div>
<div dir="auto">                xlog("looking up $ru!\n");</div>
<div dir="auto">                if (!mid_registrar_lookup("location")) {</div>
<div dir="auto">                        t_reply(404, "Not Found");</div>
<div dir="auto">                        exit;</div>
<div dir="auto">                }</div>
<div dir="auto"><br>
</div>
<div dir="auto">                t_relay();</div>
<div dir="auto">                exit;</div>
<div dir="auto">        }</div>
<div dir="auto"><br>
</div>
<div dir="auto">        # when routing via usrloc, log the missed calls also</div>
<div dir="auto">        do_accounting("log","missed");</div>
<div dir="auto">        route(relay);</div>
<div dir="auto">}</div>
<div dir="auto"><br>
</div>
when I make a call from user A to user B, it throws "480: Temporarily Unavailable". Both User A and User B are registered.<br>
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<div id="ms-outlook-mobile-signature" dir="auto">
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Sent from <a href="https://aka.ms/AAb9ysg">Outlook for Android</a></div>
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