The expanded partnership addresses growing market demand for a VoIP and Unified Communications solution that helps customers evolve to a SIP-based communication architecture that lowers the Total Cost of Ownership with a flexible, cost-effective server platform.E-MetroTel's UCX VoIP and UC portfolio of appliance servers and applications continue to gain significant market adoption and the expanded partnership with A1 Teletronics will serve as the cornerstone for rapid deployment of the latest UCX Release 4.5 across the Americas.