move internal redirect to default (#143)

* redirect to other media server does not need extra setup

* move dispatcher ecallmgr/fs redirect to default

kamailio/default.cfg

@@ -748,7 +748,7 @@ failure_route[INTERNAL_FAULT]
             $sht(redirects=>$var(redirect)) = $T_rpl($hdr(X-Redirect-Server));
             xlog("L_INFO", "$ci|log|stored redirect mapping $var(redirect) to $T_rpl($hdr(X-Redirect-Server))\n");
         }
-        route(DISPATCHER_REDIRECT);
+        route(INTERNAL_REDIRECT);
     } else if (!t_check_status("407") &&
                $avp(AVP_REDIRECT_KEY) != $null &&
                $sht(redirects=>$avp(AVP_REDIRECT_KEY)) != $null
@@ -790,6 +790,26 @@ failure_route[INTERNAL_FAULT]
     xlog("L_INFO", "$ci|pass|$si:$sp\n");
 }
 
+
+route[INTERNAL_REDIRECT]
+{
+    $var(ds_group) = 1;
+    $var(contact_uri) = $(ct{tobody.user}) + "@" + $(ct{tobody.host});
+    $var(redirect) = @from.uri.user + "@" + @from.uri.host + "->"
+        + @ruri.user + "@" + @ruri.host;
+    if ($sht(redirects=>$var(redirect)) != $null) {
+        $var(prefered_route) = $sht(redirects=>$var(redirect));
+        xlog("L_INFO", "$ci|log|found redirect for $var(redirect) : $var(prefered_route)\n");
+        $du = $var(prefered_route);
+        $avp(AVP_REDIRECT_KEY) = $var(redirect);
+        t_on_reply("INTERNAL_REPLY");
+        t_on_failure("INTERNAL_FAULT");
+        t_set_fr(0, 1000);
+        t_relay();
+        exit();
+    }
+}
+
 onsend_route {
     if (isflagset(FLAG_ASSOCIATE_USER)) {
         $var(contact_uri) = $(ct{tobody.user}) + "@" + $(ct{tobody.host});

kamailio/dispatcher-role.cfg

@@ -112,22 +112,6 @@ route[DISPATCHER_FIND_ROUTES]
     }
 }
 
-route[DISPATCHER_REDIRECT]
-{
-    $var(ds_group) = 1;
-    $var(contact_uri) = $(ct{tobody.user}) + "@" + $(ct{tobody.host});
-    $var(redirect) = @from.uri.user + "@" + @from.uri.host + "->"
-        + @ruri.user + "@" + @ruri.host;
-    if ($sht(redirects=>$var(redirect)) != $null) {
-        $var(prefered_route) = $sht(redirects=>$var(redirect));
-        xlog("L_INFO", "$ci|log|found redirect for $var(redirect) : $var(prefered_route)\n");
-        $du = $var(prefered_route);
-        $avp(AVP_REDIRECT_KEY) = $var(redirect);
-        route(EXTERNAL_TO_INTERNAL_RELAY);
-        exit();
-    }
-}
-
 route[DISPATCHER_REORDER_ROUTES]
 {
     $var(i) = 0;