Mine

      if (uri == myself) {
                if (method == "CANCEL") {
                        route(4);
                        return;
                } else if (method == "INVITE") {
                        route(3);
                        return;
                } else  if (method == "REGISTER") {
                        route(2);
                        return;
                } else if ( method == "NOTIFY") {
                        sl_send_reply("200", "Understood");
                        return;
                } else if ( method == "OPTIONS") {
                        sl_send_reply("200", "Got it");
                        return;
                }
                lookup("aliases");       <---------- When/how would this get executed????
                if (uri != myself) {
                        route(1);
                        return;
                };
                if (!lookup("location")) {
                        sl_send_reply("404", "User Not Found");
                        return;
                };
        };
        route(1);