TekSIP Route Server is an SIP Redirect Server (Based on RFC 3261) runs under Windows (XP, Vista, Windows 7/8, 2003/2008/2012 Server) and can be used as a routing server for a SIP network. TekSIP Route Server can be deployed as a routing server for Local Number Portability (LNP) [LNR Dipping] or Mobile Number Portability (MNP) systems. TekSIP Route Server can be run with built-in Microsoft Access database or an external Microsoft SQL Server database. All Microsoft SQL Server editions are supported. TekSIP Route Server also supports ENUM. TekSIP Route Server returns 302 responses for located SIP destinations. If a route can not be located for an incoming SIP call, a 404 response will be returned.