handle route invite format

kamailio/default.cfg

@@ -248,7 +248,9 @@ route
 
 route[MAIN]
 {
-	route(AUTHORIZATION);
+    route(AUTHORIZATION);
+
+    remove_hf("Authorization");
 
     #!ifdef MESSAGE_ROLE
     route(HANDLE_MESSAGE);
@@ -819,7 +821,9 @@ route[ROUTE_TO_AOR]
     }
 
     xlog("L_INFO", "$ci|log|using AOR $hdr(X-KAZOO-AOR)\n");
-    if ($hdr(X-KAZOO-INVITE-FORMAT) == "contact") {
+    if ($hdr(X-KAZOO-INVITE-FORMAT) == "route") {
+       xlog("L_INFO", "$ci|log|routing $hdr(X-KAZOO-AOR) to $ruri\n");
+    } else if ($hdr(X-KAZOO-INVITE-FORMAT) == "contact") {
        if(lookup("location", "$hdr(X-KAZOO-AOR)") > 0){
           xlog("L_INFO", "$ci|end|routing to contact $ru\n");
           $avp(aor) = $hdr(X-KAZOO-AOR);