fix att xfer to an app

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15122 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_commands/mod_commands.c

@@ -3267,18 +3267,14 @@ SWITCH_STANDARD_API(uuid_setvar_multi_function)
 	return SWITCH_STATUS_SUCCESS;
 }
 
-#define EXISTS_SYNTAX "<uuid> <var>"
+#define EXISTS_SYNTAX "<uuid>"
 SWITCH_STANDARD_API(uuid_exists_function)
 {
-	int exists = 0;
-	
-    if (cmd) {
-		switch_core_session_t *psession = NULL;
-		if ((psession = switch_core_session_locate(cmd))) {
-			switch_core_session_rwunlock(psession);
-			exists = 1;
-		}
-    }
+	switch_bool_t exists = SWITCH_FALSE;
+
+	if (cmd) {
+		exists = switch_ivr_uuid_exists(cmd);
+	}
 
 	stream->write_function(stream, "%s", exists ? "true" : "false");
 

src/mod/endpoints/mod_sofia/sofia.c

@@ -4247,6 +4247,14 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 						br_a = switch_channel_get_variable(channel_a, SWITCH_SIGNAL_BOND_VARIABLE);
 						br_b = switch_channel_get_variable(channel_b, SWITCH_SIGNAL_BOND_VARIABLE);
 						
+						if (!switch_ivr_uuid_exists(br_a)) {
+							br_a = NULL;
+						}
+
+						if (!switch_ivr_uuid_exists(br_b)) {
+							br_b = NULL;
+						}
+						
 						if (switch_channel_test_flag(channel_b, CF_ORIGINATOR)) {
 							switch_core_session_t *a_session;