A pattern generator includes: a writing tool and a calibration system. For example, the method receives a signaling message associated with a user, and accesses a customer premise Internet Protocol Public Branch eXchange to retrieve customer premise IP PBX based service logic and data associated with the user by a Serving Call Session Control Function network element. The additives may also increase viscosity to the point where less VES is required to maintain a given viscosity. The scoring lines can be accomplished by a router. The analogous video signal so received is transformed into the active-matrix display area by controlling the operation of the plurality of switch units.