Change. Use only require to load function.

Fix. Remove multiple definition of same function.

resources/install/scripts/destination_caller_id.lua

@@ -28,13 +28,11 @@
 	require "resources.functions.config";
 
 --connect to the database
-	dofile(scripts_dir.."/resources/functions/database_handle.lua");
+	require "resources.functions.database_handle";
 	dbh = database_handle('system');
 
---add a trim function
-	function trim (s)
-		return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
-	end
+--define the trim function
+	require "resources.functions.trim"
 
 --get the variables
 	domain_name = session:getVariable("domain_name");