Hayden Hall, Inc., formerly Vertel Corporation, is a provider of convergent service management mediation solutions. Using the M*Ware driven development environment (DE), the Company has created a range of mediation-based applications for protocol translation, data transformation, element and network management, operations support systems (OSS) application integration and OSS exchange services. It also develops communications software solutions. M*Ware also offers a configurable environment for convergent management systems, such as multi-technology element, network, service and umbrella management. It offers a range of M*Ware based solutions, including open systems interconnection (OSI) protocol and telecommunications management network (TMN) solutions, M*Ware Platform, M*Ware Exchange Services and Vertel Professional Services. The Company also offers professional services, such as architecture and consulting services, network agent development, and protocol adaption and mediation.