MultiVantage Express is a mobility and "intelligent communications" platform aimed at companies with 100 to 500 employees. There currently are three members in the product family. The MultiVantage Express offers VoIP, messaging, contact center and mobility. The second product, the S8400 Media Server, is a bridge from the vendor's current Definity ProLogix IP600 and S8100 devices. Finally, Avaya On Demand offers VoIP and contact center messaging in a per-seat, per-month subscription model.