diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index ff16c8018d..f3d4af40e9 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -1214,7 +1214,7 @@ static int hangup_cause_to_sip(switch_call_cause_t cause) {
 	case SWITCH_CAUSE_ORIGINATOR_CANCEL:
 		return 487;
 	default:
-		return 500;
+		return 480;
 	}
 
 }
@@ -3938,6 +3938,7 @@ static void sip_i_invite(nua_t *nua,
             char *req_user, *req_host, *req_port;
             char *contact_user, *contact_host, *contact_port;
             char *via_rport, *via_host, *via_port;
+            char *from_port;
             char uri[1024];
 
 			if (!(tech_pvt = (private_object_t *) switch_core_session_alloc(session, sizeof(private_object_t)))) {
@@ -4017,10 +4018,16 @@ static void sip_i_invite(nua_t *nua,
 				switch_channel_set_variable(channel, "sip_from_user_stripped", (char *)from->a_url->url_user);
 			}
 			switch_channel_set_variable(channel, "sip_from_host", (char *) from->a_url->url_host);
-			switch_channel_set_variable(channel, "sip_from_port", (char *) from->a_url->url_port);
+
+            
+            if (!(from_port = (char *) from->a_url->url_port)) {
+                from_port = "5060";
+            }
+
+			switch_channel_set_variable(channel, "sip_from_port", from_port);
 
 
-            snprintf(uri, sizeof(uri), "%s@%s:%s", (char *) from->a_url->url_user, (char *) from->a_url->url_host, (char *) from->a_url->url_port);
+            snprintf(uri, sizeof(uri), "%s@%s:%s", (char *) from->a_url->url_user, (char *) from->a_url->url_host, from_port);
             switch_channel_set_variable(channel, "sip_from_uri", uri);
             
             
diff --git a/src/switch_channel.c b/src/switch_channel.c
index 2a3fa1d047..b8b98d4e1f 100644
--- a/src/switch_channel.c
+++ b/src/switch_channel.c
@@ -1114,7 +1114,7 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
 	size_t sp = 0, len = 0, olen = 0, vtype = 0, br = 0, cpos, block = 128;
 	char *sub_val = NULL, *func_val = NULL;
 
-	if (!strchr(in, '$') && !strchr(in, '^')) {
+	if (!strchr(in, '$')) {
 		return in;
 	}
 
@@ -1130,7 +1130,7 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
 			if (*p == '$') {
 				vtype = 1;
 			}
-			if (*p == '^') {
+			if (*(p+1) != '{') {
 				vtype = 2;
 			}
 			
@@ -1219,7 +1219,7 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
 				len++;
 			}
 
-			if (*p == '$' || *p == '^') {
+			if (*p == '$') {
 				p--;
 			} else {
 				*c++ = *p;
diff --git a/src/switch_core.c b/src/switch_core.c
index fb50166e65..0f7f1a2357 100644
--- a/src/switch_core.c
+++ b/src/switch_core.c
@@ -2651,7 +2651,7 @@ static void switch_core_standard_on_ring(switch_core_session_t *session)
 				return;
 			} else {
 				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "No Dialplan, Aborting\n");
-				switch_channel_hangup(session->channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
+				switch_channel_hangup(session->channel, SWITCH_CAUSE_NO_ROUTE_DESTINATION);
 			}
 		}
 	}