A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The vibratory structure gyroscope can also include a resonator having a hemitoroidal shape, the resonator including a stem and an outer lip that surrounds the stem, the stem attached to the top surface of the substrate and the outer lip located apart from the top surface to allow the resonator to vibrate. Each actuator comprises an arm for moving the ink ejection structure responsive to an applied electrical signal, whereby a volume of the nozzle chamber is varied. The insurance provider receives a determination of a dollar value of the claim from the adjuster, and uses this information to determine how much money to disburse to the policyholder. The at least one service control unit evaluates the access network identifier and takes it as a basis for performing further registration of the multimodal communication terminal in the IMS-based service communication system.