--- chan_iax2.c~        2010-05-05 14:19:44.000000000 -0400
+++ chan_iax2.c 2010-05-05 14:22:27.000000000 -0400
@@ -175,7 +175,7 @@
 static int min_reg_expire;
 static int max_reg_expire;
 
-static int srvlookup = 0;
+static int srvlookup = 1;
 
 static int timingfd = -1;                              /* Timing file descriptor */
 
@@ -4189,11 +4189,11 @@
 
        if (!(peer = find_peer(peername, 1))) {
                cai->found = 0;
+               sin->sin_port = htons(IAX_DEFAULT_PORTNO);
                if (ast_get_ip_or_srv(sin, peername, srvlookup ? "_iax._udp" : NULL)) {
                        ast_log(LOG_WARNING, "No such host: %s\n", peername);
                        return -1;
                }
-               sin->sin_port = htons(IAX_DEFAULT_PORTNO);
                /* use global iax prefs for unknown peer/user */
                /* But move the calling channel's native codec to the top of the preference list */
                memcpy(&ourprefs, &prefs, sizeof(ourprefs));
@@ -12337,7 +12337,7 @@
 
        maxauthreq = 3;
 
-       srvlookup = 0;
+       srvlookup = 1;
 
        v = ast_variable_browse(cfg, "general");